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12 Signs You’re Eating Too Much Protein

Yes, there can be too much of a good thing.

FACT CHECKED BY Alek Korab
Evidence-Based

This content references scientific studies and academic research, and is fact-checked to ensure accuracy.

Our team of licensed nutritionists and dietitians strives to be objective, unbiased, and honest.

We are committed to bringing you researched, expert-driven content to help you make more informed decisions around food, health, and wellness. We know how important making choices about your overall health is, and we strive to provide you with the best information possible.

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FACT CHECKED BY Alek Korab
Evidence-Based

This content references scientific studies and academic research, and is fact-checked to ensure accuracy.

Our team of licensed nutritionists and dietitians strives to be objective, unbiased, and honest.

We are committed to bringing you researched, expert-driven content to help you make more informed decisions around food, health, and wellness. We know how important making choices about your overall health is, and we strive to provide you with the best information possible.

We all know protein is essential for health and wellness—but can there be too much protein in your diet? “As with most things in life, there can be too much of a good thing and if you eat too much protein, there may be a price to pay,” says Harvard Health. “For example, people that eat very high protein diets have a higher risk of kidney stones. Also a high protein diet that contains lots of red meat and higher amounts of saturated fat might lead to a higher risk of heart disease and colon cancer, while another high protein diet rich in plant-based proteins may not carry similar risks.” Here are signs you might be eating too much protein, according to experts.


How Much Protein?

Raw chicken breast on tray on white backgroundShutterstock

So how much protein is right for you? “Depending on your overall health and how active you are, protein should make up about 10% to 35% of your daily calories,” Kate Patton, RD, LD, tells the Cleveland Clinic. “We suggest following the standard rule of 0.8 grams of protein per 1 kilogram of body weight… If you’re physically active, it’s OK for your intake to be a little bit higher to help with muscle repair and gain,”

Dehydration

fit sporty woman sitting crossed legged in the sun holding a glass bottle of water, heatwave concept.Shutterstock

High-protein diets can lead to excessive urination, which can lead to dehydration. If urine is foamy or bubbly, seek medical attention as it could be linked to kidney issues.

Bad Breath

Woman sitting on her bed checking her breath in the morning. Concept of Bad BreathShutterstock

Too much protein can show on your breath. “Eating too much protein, especially without a balanced amount of carbs, can cause ketosis, a metabolic state that happens when your body starts burning fat for energy,” says the Cleveland Clinic. “‘Keto breath,’ as it’s called, is one of the side effects.”

Kidney Issues

Young woman touching her kidney in pain.Shutterstock

Too much protein can put too much pressure on the kidneys, causing kidney stones. It can also make you thirsty, which means you drink more water. “That’s hard on the kidneys, too,” Corey Tolbert, RD, LD, tells Piedmont Health. “If your kidneys are always in overdrive, that causes problems.”

Heart Disease

Portrait Of A Young Woman Suffering From Chest PainShutterstock

“Extra protein intake also can lead to elevated blood lipids and heart disease because many high-protein foods you eat are high in total and saturated fat,” Kristi Wempen, RDN, tells Mayo Clinic Health System. “Extra protein intake, which can tax the kidneys, poses an additional risk to people predisposed to kidney disease.”

Not Enough Nutrients

Tired man in car. Sleepy drowsy driver, fatigue. Driving and sleeping in vehicle. Exhausted, bored or drunk person. Serious upset man with stress, despair, anxiety or melancholy. Problem in traffic.Shutterstock

Too much protein could be linked to nutrient deficiencies. “A diet overly focused on protein might neglect other essential nutrients like carbohydrates and fats,” according to Chester County Hospital. “Carbohydrates, for example, are crucial for providing a faster energy source to the body, especially during physical activities. If you're overloading on protein, you may be neglecting your carb intake, leading to less energy and fewer benefits.”

Headaches

Black man in business, night and headache with stress and vision problem, crisis and burnout from overtime. Professional male with migraine, brain fog and work late with loss of focus and overworkedShutterstock

Eating too much protein can cause headaches. “Some high-protein diets limit carbs so much that you might not get enough nutrients or fiber,” Katherine Zeratsky, RD, LD, tells the Mayo Clinic. “This can cause problems such as bad breath, headache and constipation.”

Digestive Issues

Unrecognizable woman experiencing abdominal pain at home, young female touching her stomach while sitting on couch in living room, feeling discomfort in digestion, cropped shot, closeupShutterstock

Too much protein is hard on your gut. “High protein intake can lead to constipation, bloating and discomfort,” according to Chester County Hospital. “This is because protein-rich foods often lack the fiber found in foods like fruits, vegetables and whole grains, which are essential for maintaining a healthy digestive system.”

Dizziness

Man loses consciousness and falls down due to dizziness and disturbance of the vestibular apparatus. Severe headache and migraine. Concept of helping people suffering from migraines and dizzinessShutterstock

Eating too much protein can cause dizziness due to lack of carbohydrates. This may cause “fatigue, excessive thirst and dizziness,” Dr Seth Rankin, founder of London Doctors Clinic, tells Cosmopolitan.

Fatigue

Sleepy young woman drinking coffee, feeling tired, suffering from insomnia and sleeping disorder. Sad female sitting in modern kitchen interior, empty spaceShutterstock

A high-protein diet may cause fatigue. “Some researchers believe that people feel tired after eating because their body’s producing more serotonin,” Julia Zumpano, RD, LD, tells the Cleveland Clinic. “Serotonin is the chemical that regulates mood and sleep cycles. Oftentimes, when you’re eating a meal rich in carbohydrates and protein, you may feel sleepier because you have an uptake of tryptophan from the protein and then an increase of serotonin.”

Liver Stress

At doctors appointment physician shows to patient shape of liver with focus on hand with organ.Shutterstock

Too much protein can negatively impact live health. Ketosis “can put a lot of stress onto the liver,” Dr Rankin says. “The liver is an essential organ that detoxifies chemicals, and purifies your blood of toxins. Therefore, it is very important that we do not stress the liver and allow it to function properly.”

Mental Health

mid adult italian woman banging her head against a wall outside office building. Horizontal shape, copy spaceShutterstock

Too much protein could impact mental health, experts say. “Scientists are researching if low-carb diets like keto might also impact mental health,” according to Chester County Hospital. “Some researchers also have a theory that carbs are responsible for releasing serotonin, which boosts your mood, so eating a moderate amount of carbs may reduce the risk of anxiety and depression.” And if you enjoyed this article, take advantage of these 15 Quick Ways to Lose Body Fat Percentage in a Week.

More For You

Jon Williams jonwilliamsfitness jonwilliamscoaching
Coach Reveals 7 Steps to Losing 6 Pounds and 6 Inches in 6 Weeks
Copyright jonwilliamsfitness/Instagram/Shutterstock
Evidence-Based

This content references scientific studies and academic research, and is fact-checked to ensure accuracy.

Our team of licensed nutritionists and dietitians strives to be objective, unbiased, and honest.

We are committed to bringing you researched, expert-driven content to help you make more informed decisions around food, health, and wellness. We know how important making choices about your overall health is, and we strive to provide you with the best information possible.

Most of us have heard that increasing protein is essential for weight loss, but there's actually such a thing as overdoing it. Jon Williams, a fat loss expert who helps men and women lose 20-plus pounds of body fat, explains that while protein is crucial for muscle maintenance and metabolism, excessive amounts can sabotage your progress. Keep reading to discover the telltale signs that your protein intake might be hindering rather than helping your fat loss journey.

Your Digestive System Is Revolting

Having constant bloating, gas, or bathroom issues? Your protein intake might be the culprit. "When you focus too heavily on protein, you often shortchange your fiber intake, which wreaks havoc on your digestion," Jon explains in his post. High-protein diets frequently lead to insufficient fiber consumption, creating an imbalance that your gut immediately notices. Without adequate fiber to move things along, your digestive system simply can't function optimally, leading to uncomfortable symptoms that signal something's wrong.

You're Constantly Thirsty

Feel like no amount of water satisfies your thirst? According to Jon, "Your body requires significantly more fluids to process protein properly, and many people underestimate how much additional water they need." The dehydration from excessive protein consumption can manifest as fatigue, headaches, or dizziness—symptoms many people mistakenly attribute to other factors. If you're drinking what should be enough water yet still feel parched, your protein-heavy diet might be the real reason.

The Scale Is Moving in the Wrong Direction

Surprised to see weight gain despite watching calories? Jon points out that "excess protein doesn't magically disappear—your body converts it to fat if you're consuming more than you need." While protein is essential for preserving muscle during fat loss, it still contains calories that count toward your daily total. If your weight is creeping up despite maintaining what you believe is a calorie deficit, the extra protein could be pushing you into a surplus without you realizing it.

Your Workouts Feel Like a Struggle

Finding yourself unexpectedly fatigued during exercise? "When people go overboard with protein, they often reduce carbs too much, which leaves them without proper fuel for intense workouts," Jon says. This imbalanced approach can lead to noticeable decreases in performance and energy levels. Your body needs carbohydrates for high-intensity activities, and without them, your training suffers. The exhaustion you feel might be a direct result of prioritizing protein at the expense of other essential macronutrients.

Finding Your Protein Sweet Spot

Balance is key when it comes to protein consumption. Jon recommends "aiming for 0.7-1 gram of protein per pound of body weight, which provides enough for muscle maintenance without going overboard." This range gives your body what it needs for recovery and metabolism without risking the negative side effects of excessive intake. Finding your personal protein sweet spot ensures you get the benefits without undermining your progress.

Creating a Sustainable Calorie Deficit

Protein is just one piece of the fat loss puzzle. "Tracking your intake initially helps develop awareness, but focusing on whole foods makes maintenance much easier long-term," Jon explains in another post. A sustainable approach combines reasonable protein intake with plenty of vegetables, adequate hydration (aim for half an ounce of water per pound of body weight), and portion control. These fundamental habits create the calorie deficit needed for fat loss while keeping your energy levels stable and digestion running smoothly.

Balancing Your Macronutrients

Smart fat loss requires considering all macronutrients, not just protein. "The most successful clients understand that protein, carbs, and fats all play important roles in both performance and fat loss," Jon says. Rather than demonizing any macronutrient, focus on quality sources and appropriate amounts of each. This balanced approach provides your body with everything it needs to lose fat effectively while maintaining energy, supporting workouts, and preserving muscle mass—the true formula for lasting results. And if you enjoyed this article, don't missthese 8 High-Protein Foods with Nearly Zero Calories That Melt Fat.

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Evidence-Based

This content references scientific studies and academic research, and is fact-checked to ensure accuracy.

Our team of licensed nutritionists and dietitians strives to be objective, unbiased, and honest.

We are committed to bringing you researched, expert-driven content to help you make more informed decisions around food, health, and wellness. We know how important making choices about your overall health is, and we strive to provide you with the best information possible.

Are you experiencing unexplained fatigue, brittle nails, or slow-healing wounds? Your body might be waving red flags about protein deficiency. Dr. Jin W. Sung, a prominent health expert with nearly 500,000 YouTube subscribers, reveals seven critical signs that could indicate you're not getting enough protein. Understanding these signals could be the key to unlocking better health, stronger immunity, and improved overall wellness. Read on to discover if your body is trying to tell you something important.

The Hidden Language of Protein Deficiency: 7 Warning Signs

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"Most people don't realize how many different ways their body signals protein deficiency," says Dr. Sung. These seven key signs can help you identify if you're getting enough protein in your diet. Pay attention if you experience any of these symptoms, especially in combination.

Sign #1: Struggling to Build or Maintain Muscle

Strong sporty fit woman in yellow tank top flexing bicep muscle over gray studio background.Shutterstock

"Muscle loss or inability to gain muscle despite working out is a major red flag," warns Dr. Sung. If you're hitting the gym regularly but not seeing results, or noticing muscle weakness despite regular activity, your protein intake might be insufficient. For optimal muscle health, Dr. Sung recommends 1.2 to 1.4 grams of protein per kilogram of body weight daily, with athletes needing up to 2 grams per kilogram.

Sign #2: Brittle Hair and Weak Nails

Millennial girl with hair loss problem looking in mirror at homeShutterstock

Notice your hair breaking easily or nails becoming increasingly brittle? Dr. Sung explains that these changes often signal protein deficiency, as hair and nails are primarily made of protein. Regular monitoring of your protein intake is crucial for maintaining strong, healthy hair and nails.

Sign #3: Slow-Healing Wounds

Closeup of male arms holding his painful wrist caused by prolonged work on the computer, laptop. Carpal tunnel syndrome, arthritis, neurological disease concept. Numbness of the handShutterstock

"When you get a cut and it doesn't heal well or in the expected time frame, that's a clear sign," Dr. Sung notes. Protein plays a crucial role in tissue repair and wound healing. If small cuts or bruises take longer than usual to heal, your body might need more protein to support its repair processes.

Sign #4: Weakened Immune System

Senior beautiful woman sitting sick on sofa at home. He coughs, covers his mouth with his hand, holds his chest. Feels pain, suffers from asthma, allergies, flu, cold.Shutterstock

"These people will be more prone to infection or become currently sick," Dr. Sung explains about protein-deficient individuals. If you're catching every cold that comes around or infections seem to linger, your immune system might be struggling due to inadequate protein intake.

Sign #5: Sleep Issues and Mood Changes

Tired woman lying in bed can't sleep late at night with insomnia. Asian girl with funny face sick or sad depressed sleeping at home.Shutterstock

Experiencing anxiety, depression, or insomnia? According to Dr. Sung, these could be unexpected signs of protein deficiency. Studies show that protein is essential for producing neurotransmitters that regulate mood and sleep patterns.

Sign #6: Bone Health Concerns

A doctor with a stethoscope, in a medical uniform in a clinic, a traumatologist analyzes a leg fracture. X-ray of the knee. Ultrasound. Injury of the leg in the knee joint. OsteoporosisShutterstock

"People don't realize it's not just calcium and minerals in the bone. There's protein amino acids too," Dr. Sung emphasizes. If you're concerned about bone density or have been diagnosed with osteoporosis, increasing your protein intake might be crucial for maintaining bone health.

Sign #7: Constant Hunger and Cravings

Rear View Of Young Woman Looking In Fridge At KitchenShutterstock

While not directly quoted by Dr. Sung, research shows that inadequate protein intake can lead to increased hunger and cravings. Dr. Sung's recommended protein intake of 1.2 to 1.4 grams per kilogram of body weight can help maintain satiety and reduce unnecessary snacking.

Understanding Your Protein Needs

Chicken Breast on Food Scale with Mushrooms and Spinach​Prepare Strategies for PlateausShutterstock

Dr. Sung breaks down the numbers clearly: "A 150-pound person needs at least 81.6 to 95.2 grams of protein per day for optimal health." For those with health challenges, he recommends increasing intake to 1.6 grams per kilogram of body weight, while athletes might need up to 2 grams per kilogram.

How to Check for Protein Deficiency

Blood,Drawn,From,A,Patient,With,Serum,doctor,hospitalShutterstock

"Simple tests like CBC with CHE can show you if you have protein deficiencies," explains Dr. Sung. Key markers include BUN (should be 10-16), globulin (2.4-2.8), and hemoglobin levels. If you're experiencing any of the seven signs, consider asking your healthcare provider about these tests.

Solutions for Better Protein Absorption

gut,tummy,health,Woman,Holds,Intestines,In,Her,Palms.,Gastrointestinal,Tract.,Intestinal,TractShutterstock

Dr. Sung emphasizes that it's not just about eating more protein – it's about proper absorption too. "If you have hypochlorhydria or low stomach acid issues, you definitely want to increase hydrochloric acid along with some digestive enzymes to break down your protein appropriately," he advises. Consider protein-rich diets like ketogenic, paleo, or carefully planned vegetarian diets, depending on your specific needs and restrictions. And if you enjoyed this article, take advantage of these 15 Quick Ways to Lose Body Fat Percentage in a Week.

Aleksa Gagic The Climbing Dietitian
Copyright The Climbing Dietitian/YouTube
Evidence-Based

This content references scientific studies and academic research, and is fact-checked to ensure accuracy.

Our team of licensed nutritionists and dietitians strives to be objective, unbiased, and honest.

We are committed to bringing you researched, expert-driven content to help you make more informed decisions around food, health, and wellness. We know how important making choices about your overall health is, and we strive to provide you with the best information possible.

We all want to build muscle and recover faster, but most people struggle to consistently hit their protein targets despite knowing how important it is. In this article, we share expert insights from Aleksa Gagic, a Dietitian and Nutritionist with over 7 years of professional nutrition consulting experience. Known for his practical advice on The Climbing Dietitian's YouTube channel, Aleksa breaks down the clear signals your body sends when it's not getting enough of this essential macronutrient. Learn these four key indicators now to stop leaving gains on the table and start seeing better results from your training efforts.

Increased Hunger Throughout Your Day

Protein isn't just for muscle building—it helps keep you full longer. "Protein has many properties that help us in our bodies. We all know that it helps us repair and recover, but you may not know that it also helps keep us full," Aleksa explains in his post. This is precisely why many nutrition experts recommend higher protein intake for fat loss clients. The satiety factor makes it easier to maintain a calorie deficit without constant hunger. If you're feeling unusually hungry despite regular meals, your protein intake might need attention.

No Muscle Growth or Experiencing Muscle Loss

Closeup of a muscular young woman lifting weights in gym.

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When following a strength training program, you should see gradual improvements in muscle mass over time. "If you're on a muscle-building plan or a strength-building plan, you should, over time, see some gain in lean muscle mass," Aleksa points out. Without adequate protein, your body lacks the building blocks needed for muscle repair and growth. Similarly, if you're losing strength and muscle despite efforts to maintain them, it could signal insufficient protein consumption. While other factors can influence muscle development, protein intake is often the simplest place to start.

Recovery Takes Longer Than Normal

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Are you feeling sore for days after workouts? According to Aleksa, "Protein helps with repair and recovery. Therefore, if your protein is not up to scratch, you might actually see that your recovery is a bit more delayed than usual." Proper recovery is essential regardless of whether you're a casual gym-goer or a competitive athlete. Faster recovery allows for more consistent training and better adaptations over time. If you notice your body taking longer to bounce back from exercise, consider evaluating your protein consumption.

Increased Cravings, Especially for Sugar

Closeup image of a young couple women holding and eating donuts together​Myth 1: Weight Gain Comes From Eating FatShutterstock

While not an exact science, there's often a connection between insufficient protein and increased cravings. "When protein is not really consumed well enough, not only is your hunger not regulated, but you start craving other foods a bit more," Aleksa shares from his experience working with clients. Protein acts as an unofficial appetite and craving regulator for many people. If you find yourself suddenly craving sweets or other specific foods more intensely than usual, try increasing your protein intake to see if it helps manage those urges.

How Much Protein Do You Actually Need?

Chicken Breast on Food Scale with Mushrooms and Spinach​Start Your Day with 40 Grams ProteinShutterstock

Most active adults benefit from consuming 0.7-1 gram of protein per pound of body weight daily. For someone weighing 150 pounds, that's approximately 105-150 grams of protein spread throughout the day. Aleksa recommends distributing protein across your meals rather than consuming it all at once. Your body can only efficiently use a certain amount of protein at each meal, so aim for 20-40 grams per meal, depending on your size and activity level.

Protein-Rich Foods to Include Daily

Raw chicken breast on tray on white backgroundShutterstock

Make high-quality protein sources a regular part of your diet. Lean meats like chicken and turkey provide complete proteins with minimal fat. Fish offers both protein and healthy omega-3 fatty acids. For plant-based options, Aleksa suggests combining legumes, tofu, tempeh, and seitan to create complete protein profiles. Greek yogurt, cottage cheese, and eggs make excellent snack options that deliver significant protein with relatively few calories. Protein powders can supplement your intake when whole food sources aren't convenient.

Simple Strategies to Increase Your Intake

Marinated,Grilled,Healthy,Chicken,Breasts,Cooked,On,A,Summer,BbqShutterstock

Start by prioritizing protein at each meal rather than as an afterthought. "Protein should be the foundation of your nutrition plan if you're active," Aleksa emphasizes. Prepare protein sources in advance to remove barriers when you're busy. Consider keeping ready-to-eat options like hard-boiled eggs, Greek yogurt, or protein bars available for quick access. Add protein powder to smoothies, oatmeal, or yogurt for an easy boost. Most importantly, track your intake for a few days to establish a baseline—you might be surprised how much (or how little) you're actually consuming. And if you enjoyed this article, don't missthese 8 High-Protein Foods with Nearly Zero Calories That Melt Fat.

Dizzy Woman With Balance Loss. Vertigo Disorder
Shutterstock
FACT CHECKED BY Alek Korab
Evidence-Based

This content references scientific studies and academic research, and is fact-checked to ensure accuracy.

Our team of licensed nutritionists and dietitians strives to be objective, unbiased, and honest.

We are committed to bringing you researched, expert-driven content to help you make more informed decisions around food, health, and wellness. We know how important making choices about your overall health is, and we strive to provide you with the best information possible.

We all know protein is essential for health and wellness—but can there be too much protein in your diet? “As with most things in life, there can be too much of a good thing and if you eat too much protein, there may be a price to pay,” says Harvard Health. “For example, people that eat very high protein diets have a higher risk of kidney stones. Also a high protein diet that contains lots of red meat and higher amounts of saturated fat might lead to a higher risk of heart disease and colon cancer, while another high protein diet rich in plant-based proteins may not carry similar risks.” Here are signs you might be eating too much protein, according to experts.


How Much Protein?

Raw chicken breast on tray on white backgroundShutterstock

So how much protein is right for you? “Depending on your overall health and how active you are, protein should make up about 10% to 35% of your daily calories,” Kate Patton, RD, LD, tells the Cleveland Clinic. “We suggest following the standard rule of 0.8 grams of protein per 1 kilogram of body weight… If you’re physically active, it’s OK for your intake to be a little bit higher to help with muscle repair and gain,”

Dehydration

fit sporty woman sitting crossed legged in the sun holding a glass bottle of water, heatwave concept.Shutterstock

High-protein diets can lead to excessive urination, which can lead to dehydration. If urine is foamy or bubbly, seek medical attention as it could be linked to kidney issues.

Bad Breath

Woman sitting on her bed checking her breath in the morning. Concept of Bad BreathShutterstock

Too much protein can show on your breath. “Eating too much protein, especially without a balanced amount of carbs, can cause ketosis, a metabolic state that happens when your body starts burning fat for energy,” says the Cleveland Clinic. “‘Keto breath,’ as it’s called, is one of the side effects.”

Kidney Issues

Young woman touching her kidney in pain.Shutterstock

Too much protein can put too much pressure on the kidneys, causing kidney stones. It can also make you thirsty, which means you drink more water. “That’s hard on the kidneys, too,” Corey Tolbert, RD, LD, tells Piedmont Health. “If your kidneys are always in overdrive, that causes problems.”

Heart Disease

Portrait Of A Young Woman Suffering From Chest PainShutterstock

“Extra protein intake also can lead to elevated blood lipids and heart disease because many high-protein foods you eat are high in total and saturated fat,” Kristi Wempen, RDN, tells Mayo Clinic Health System. “Extra protein intake, which can tax the kidneys, poses an additional risk to people predisposed to kidney disease.”

Not Enough Nutrients

Tired man in car. Sleepy drowsy driver, fatigue. Driving and sleeping in vehicle. Exhausted, bored or drunk person. Serious upset man with stress, despair, anxiety or melancholy. Problem in traffic.Shutterstock

Too much protein could be linked to nutrient deficiencies. “A diet overly focused on protein might neglect other essential nutrients like carbohydrates and fats,” according to Chester County Hospital. “Carbohydrates, for example, are crucial for providing a faster energy source to the body, especially during physical activities. If you're overloading on protein, you may be neglecting your carb intake, leading to less energy and fewer benefits.”

Headaches

Black man in business, night and headache with stress and vision problem, crisis and burnout from overtime. Professional male with migraine, brain fog and work late with loss of focus and overworkedShutterstock

Eating too much protein can cause headaches. “Some high-protein diets limit carbs so much that you might not get enough nutrients or fiber,” Katherine Zeratsky, RD, LD, tells the Mayo Clinic. “This can cause problems such as bad breath, headache and constipation.”

Digestive Issues

Unrecognizable woman experiencing abdominal pain at home, young female touching her stomach while sitting on couch in living room, feeling discomfort in digestion, cropped shot, closeupShutterstock

Too much protein is hard on your gut. “High protein intake can lead to constipation, bloating and discomfort,” according to Chester County Hospital. “This is because protein-rich foods often lack the fiber found in foods like fruits, vegetables and whole grains, which are essential for maintaining a healthy digestive system.”

Dizziness

Man loses consciousness and falls down due to dizziness and disturbance of the vestibular apparatus. Severe headache and migraine. Concept of helping people suffering from migraines and dizzinessShutterstock

Eating too much protein can cause dizziness due to lack of carbohydrates. This may cause “fatigue, excessive thirst and dizziness,” Dr Seth Rankin, founder of London Doctors Clinic, tells Cosmopolitan.

Fatigue

Sleepy young woman drinking coffee, feeling tired, suffering from insomnia and sleeping disorder. Sad female sitting in modern kitchen interior, empty spaceShutterstock

A high-protein diet may cause fatigue. “Some researchers believe that people feel tired after eating because their body’s producing more serotonin,” Julia Zumpano, RD, LD, tells the Cleveland Clinic. “Serotonin is the chemical that regulates mood and sleep cycles. Oftentimes, when you’re eating a meal rich in carbohydrates and protein, you may feel sleepier because you have an uptake of tryptophan from the protein and then an increase of serotonin.”

Liver Stress

At doctors appointment physician shows to patient shape of liver with focus on hand with organ.Shutterstock

Too much protein can negatively impact live health. Ketosis “can put a lot of stress onto the liver,” Dr Rankin says. “The liver is an essential organ that detoxifies chemicals, and purifies your blood of toxins. Therefore, it is very important that we do not stress the liver and allow it to function properly.”

Mental Health

mid adult italian woman banging her head against a wall outside office building. Horizontal shape, copy spaceShutterstock

Too much protein could impact mental health, experts say. “Scientists are researching if low-carb diets like keto might also impact mental health,” according to Chester County Hospital. “Some researchers also have a theory that carbs are responsible for releasing serotonin, which boosts your mood, so eating a moderate amount of carbs may reduce the risk of anxiety and depression.” And if you enjoyed this article, take advantage of these 15 Quick Ways to Lose Body Fat Percentage in a Week.

Fact-Checked

Our content is fact checked by our senior editorial staff to reflect accuracy and ensure our readers get sound information and advice to make the smartest, healthiest choices.

We adhere to structured guidelines for sourcing information and linking to other resources, including scientific studies and medical journals.

If you have any concerns about the accuracy of our content, please reach out to our editors by e-mailing editors@bodynetwork.com.

Protein is the building block of muscle and a major player in the game of losing fat – but are you eating enough of it? In a new social media post, online fitness trainer and coach Alexandra (@alexx.fitt), who lost a whopping 50 pounds via diet and exercise, dives into the topic, revealing “4 signs you’re not eating enough protein.” Are you suffering from any of them?


Fatigue and Weakness

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Fatigue and weakness is the first sign, says Alexandra, like if “you don’t feel as strong in the gym or during any physical activity,” she says. “Protein is crucial for muscle growth and repair.”

Brittle Hair, Skin, and Nails

Millennial girl with hair loss problem looking in mirror at homeShutterstock

Brittle hair, skin, and nails is another sign, she says. “Insufficient protein intake can lead to weaker nails, thinning hair, and dry skin.”

Constant Sugar and Carb Cravings

Fast food concept. Unhealthy food. Unhealthy food and fast food with donuts, chocolate, burgers and sweets top viewShutterstock

Constant sugar/carb cravings is the third sign. “This one hits me like a truck,” she maintains. “If I don’t eat enough protein I will overeat on so much sugar but you won’t be satisfied until you get your protein in,” she claims.

Constant Hunger

Hungry man opens the refrigerator at nightShutterstock

Are you constantly hungry? It could be because you aren’t fueling your body with enough protein. “Eating enough protein will keep you fuller for longer and leave you more satisfied,” she claims.

RELATED: 7 Foods That Fill You Up Without Making You Fat

Science Has Found a Link Between Protein and Weight Loss

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According to clinical trials, consuming more protein than the recommended dietary allowance not only reduces body weight (BW), but also enhances body composition by decreasing fat mass while preserving fat-free mass (FFM) in both low-calorie and standard-calorie diets.

Aim for 20 to 30 Grams Per Meal

Chicken Breast on Food Scale with Mushrooms and SpinachShutterstock

How much protein should you aim for? Body Network’s Resident RDN, The Diet Diva, Tara Collingwood, MS, RDN, CSSD, LD/N, ACSM-CPT, a Board Certified Sports Dietitian, co-author of the Flat Belly Cookbook for Dummies, explains that protein needs depend on body size, gender, and of course activity level. “Most people will benefit from at least 20 grams of protein per meal (women) and 30 grams per meal (men). If that isn’t enough for the day, then make up more at snack time,” she says.

Protein Helps with Hunger and Fullness

fresh chicken breast raw on cutting boardShutterstock

“For most individuals who are trying to lean out, we want to make sure that your protein intake is high because that will help with hunger and fullness,” Chris McMahon, a nutrition and fitness coach, added to Body Network. “It'll also help preserve your muscle mass. And if you are lifting weights and you are training, it'll help you build muscle and recover. So we want to make sure that's higher.”

RELATED: 15 Proven Ways to Sculpt Your Dream Body by An Expert Coach

Stick to Lean Fats

Woman cutting chicken fillet in kitchen, closeupShutterstock

And, if you are trying to lean out, keep your protein lean, making sure the ratio of fat is lower. “Fat just tends to be a more expensive macronutrient. In one gram of protein, there are four calories. In one gram of fat, there are nine calories. So if you're someone who's used to eating fattier pieces of steak, if you're eating darker meat, then you're going to have higher fat content. So it just comes down to if I eat a leaner source of protein, if I switch to non-fat Greek yogurt, if I switch to 1% cottage cheese, if I'm aware of those things, you're going to be able to increase the amount of it that you're eating without driving up your calories,” explains McMahon.

💪🔥Body Booster: If you want to lose weight and build muscle, make sure to consume 20 to 30 grams of protein per meal, determined by factors such as your gender, activity level, and weight.

Melissa Pfeister
20 Foods That Strip Belly Fat
Copyright Melissa Pfeister
Expert-Recommended

We've consulted with our team of licensed nutritionists and dietitians to bring you informed recommendations for food products, health aids and nutritional goods to safely and successfully guide you toward making better diet and nutrition choices. We strive to only recommend products that adhere to our philosophy of eating better while still enjoying what you eat.

Growing up in Ohio, my life revolved around sports. I was so serious about being “the female Michael Jordan” that I convinced my parents to build a half-basketball court in our backyard and turn our basement into a full-blown workout facility. Playing sports and working out year-round ultimately got me into learning about food and healthy ways of eating. That then turned into wanting to help others do the same, which is why I became a Stanford Medicine-certified nutritionist and started my business, Stripped with Melissa. This turned into working with Body Network's sister site, Eat This, Not That! on their Medical Expert Board. Helping people with their nutrition and on their weight loss journey is my greatest love and passion! Read on to discover the key foods that help reduce belly fat and learn proven tactics to kickstart your weight loss journey and stay on track.

Good Ol’ H2O

Portrait of adult women stand hold glass of water and look out the window​1. Hydrate the Right WayShutterstock

Yes, water! Water is SO awesome for your entire body, especially when trying to burn belly fat or any fat. Not only does water fill you up without filling you out, but it keeps your body hydrated. A hydrated body allows for fat molecules to break down, helping you to burn off energy!

Avocado

Sliced,Avocado,On,A,Cutting,Board​AvocadoShutterstock

Not only is avocado one of my absolute favorite foods ever, but it’s also full of omega-3 fatty acids which helps to reduce visceral fat. Visceral fat is also known as “toxic fat” stored for winter or any season deep within your body, especially within your belly. The more we can chop away at the visceral fat, the slimmer and healthier your belly and body become!

Kale & Spinach

kale salad leaves close up with water drops background​Leafy GreensShutterstock

Numbers 3 & 4 go to the rockstars kale and spinach. Not only can you eat them raw or cook them up in so many ways, but dark leafy greens are low-calorie, little to no fat, and perfect for getting that belly lean and mean!

Eggs in the package​EggsShutterstock

Numbers 5 & 6 go to my other loves, eggs and fish! Protein-packed foods like these two all-stars increase your body’s metabolic function, which gets your body working, resulting in less abdominal fat! Whole eggs are great, but just using the whites is very eggcellent with lower calories than eating the egg yolk as well.

Hot Sauce

Los Angeles, California, United States - 06-09-2020:A view of a counter with a row of popular hot sauce bottles, featuring Frank's RedHot, Huy Fong Foods sriracha, Tapatio, El Pato, and Cholula. spice, spicy, sauce, pepper, peppers​Spice Up Your Food with Healthy CondimentsShutterstock

Number 7 might be my all-time favorite ever… hot sauce! The hot part of your favorite spicy food comes from a compound called capsaicin. This has been shown to boost your metabolism, helping your body to burn more calories and fat. Hot sauce or salsa are also beneficial when used as a healthy, low-calorie ingredient or condiment instead of high-fat butter or margarine. When in doubt, hot sauce it out!

Beans

Bowl,Of,Cooked,Beans,In,Tomato,Sauce, baked, beansShutterstock

Beans beans, they’re good for your heart, the more you eat them the more you… lose that weight! Yes, it’s true, beans ARE the magical fruit! Low-fat and loaded with fiber, beans help to keep your body filling up without filling you out!

Cinnamon

Cinnamon sticks on a wooden background. Cinnamon spice in a spoon and bowl. Ceylon cinnamon.Shutterstock

Cinnamon is SO fine that’s why it’s #9! Oh, how I LOVE cinnamon. Whether adding to your morning coffee or bowl of oatmeal, there are many benefits to using cinnamon. As with hot sauce or salsa, it has zero to no calories and is an amazing substitute for sugar. While sipping that cinnamon in your coffee, digestion is improved which lends to your metabolism kicking into gear and burning extra calories and fat!

Nuts

Assortment,Of,Nuts,In,Bowls.,Cashews,,Hazelnuts,,Walnuts,,Pistachios,,Pecans,​Nuts and SeedsShutterstock

Number 10 is NUTS! No, really, nuts like almonds are full of those amazing omega-3 fats, protein, vitamins, and minerals which help to keep you feeling fuller longer. They also contain amygdalin, a compound shown to help reduce belly and body fat overall. So enjoy. It’s time to be nutty!

Yogurt

Spoon,With,Tasty,Yogurt,Above,Bowl,On,Table,,Closeup.,Space​Regular YogurtShutterstock

Nowadays, so many of us have an uneasy gut. Gut issues are a pain, literally, and absolutely no fun. The great news, there’s a way to help and eating yogurt is one of them! Yogurt is an amazing source of probiotics helping to support the bacteria good for gut health. These probiotics assist you not only in feeling better in your gut but helping you lose that stubborn belly fat!

Chicken & Turkey

Homemade Grilled Chipotle Chicken Breast with Cilantro and LIme​Kevin’s Natural Foods Cilantro Lime ChickenShutterstock

#12 & lucky 13…Get your meat! Well, chicken and turkey! I cannot say enough about foods high in protein. But please do me a favor and sub out that red meat for the low-fat, and most importantly, healthy fat turkey and chicken!

Salmon and Tuna

,Salmon,Fish,Fillets, protein, food, dinner​Amp Up Your Protein IntakeShutterstock

Is that tasty chicken of the sea… salmon and tuna! Remember with those almonds and avocados, salmon is full of heart and belly healthy omega-3s which help to boost your metabolism and reduce that underneath visceral belly fat! Both are also high in protein helping you to feel fuller for a longer time.

Apples

Ripe red apples on table close upShutterstock

An apple a day keeps the belly fat away! Apples are one of the highest-fiber fruits packing a huge healthy punch to that belly fat. Fiber slows digestion in your gut, helping you feel fuller longer. Although apple contain natural sugar, the high fiber actually slows down blood sugar absorbed as well!

Oats

A Scoop of Rolled Oats​Prebiotic Foods: OatsShutterstock

Oats baby! Grab those oats, add some cinnamon, and make a heart healthy, belly fat fighting meal! Oats are high in soluble fiber which, like with the fiber in those apples, slows digestion by the absorption of water AND blood sugar. Oats are oatastic so enjoy your cinnamon flavored oatmeal for breakfast!

Broccoli

broccoli in hands. a wooden background. healthy eating concept.Shutterstock

Broccoli is so good for your body! Broccoli contains vitamin K which is amazing for fat metabolism. Broccoli also contains a compound called carotenoids that helps to get the fat burning going and help you lose that belly fat!

Protein Shake

Various Protein sport shake and powder. Fitness food and drink.Shutterstock

Shake shake, shake it off! And by shake, I mean grab a protein shake. Some of us don’t get enough protein in the day, so having a protein shake is a quick and easy way to fuel up on that goodness your body needs. Along with all the amazing protein packed foods above, the protein in these shakes make you feel fuller longer while helping your muscles burn fat and get the recharge they need to keep burning, building and getting stronger!

Green Tea

trendy 40 years old woman in black body lingerie and red bathrobe in the modern house in sunny day drinking cup of green tea.​5. Green TeaShutterstock

Want a drink?! Well look no further! Number 20 is one of my favorite go-to’s Green Tea! Whether you’re a hot tea or an iced tea lover, green tea contains not only caffeine, but a type of antioxidant called catechin. Catechin combined with the caffeine can speed up your metabolism, increasing the amount of energy used and helping to break down that stubborn excess belly fat. So, grab a glass or cup, add some cinnamon and say bye-bye to that weight!

Belly Flab Strip Tip: Sugar and Fat Calories Leave Its Mark on Your Body

Donuts,With,Icing,On,Pastel,Pink,Background.,Sweet,Donuts.Shutterstock

You know that old saying “You are what you eat”? Well, I’m a very firm believer in it! Eating donuts every day doesn’t mean you are going to turn into one however, all the calories, sugar and fat in those donuts will leave its mark on your body. A funny story about that little saying too…when first becoming a mom, I was big on making sure my baby had enough vegetables. When taking my boy to his one-year check-up, the doctor asked if I often fed him orange-colored vegetables like sweet potatoes, carrots, and squash. I proudly responded, “Yes!” She then asked me to look at the bottom of his feet and pointed out the light color of orange they were. While she was very proud as his pediatrician, she said he’s literally turning orange, so maybe don’t have to feed him so many!

Belly Flab Strip Tip: Take It One Day at a Time

overweight woman on scale at homeStep Five: Stay ConsistentShutterstock

Please know when you’re about to begin your weight loss journey, take it one day at a time and take small steps! Losing weight and getting healthy is a marathon, not a sprint. It’s not about crazy fad diets that are impossible to sustain long term. Just as you would starting back to riding a bike or working out, slow and steady wins the race! Staying positive and taking everything, no matter how small you might think it may be, as a win is huge. We are always so busy with work, kids and taking care of everyone else, it’s important to take care of yourself. The healthier and happier you are, both physically and mentally, the better you are for everyone else!

Oh, how I love all the deliciously amazing foods that are great for your entire body, especially for your belly! There are so many to choose from, but these are some of my favorites!

Belly Flab Strip Tip: Start Small

Melissa Pfeister

Copyright Melissa Pfeister

I’m a firm believer that small changes make a BIG difference. It’s not about a complete 180 of your eating. Take one meal and start to make changes. Get comfortable with the new routine. Strive for being confident. As much as you are wanting a change physically, we must change your mental game and outlook as well. Don’t forget to be proud of yourself. The more fun you have with it, the more success you will have in the long run. All these foods are amazing for your body and to burn belly fat, for best results though get moving and keep that exercise going. The more you move, the more your body is working and helping you on your successful belly-fat fighting, weight loss journey!

About the author: Melissa Pfeister, founder of the program Stripped with Melissa, is a Stanford Med Certified Nutritionist.

Carlo Costanzo vCloudInfo
I Lost 50 Pounds in 8 Months by Walking
Copyright vCloudInfo/YouTube

You don’t need to spend a lot of money on a fancy gym membership or a personal trainer if you want to get into shape and lose weight. According to one weight loss warrior, all you really need is a pair of good walking shoes. Carlo, a home assistant expert and social media influencer, lost a whopping 50 pounds in 8 months with the help of daily walks. In a viral video, he explains exactly how he did it. “I lost around 50 pounds basically walking an hour every day. I decided to make a video showing the progress so I could look back at it and keep myself both motivated and accountable,” he writes in the caption.

He Wants to Help Inspire Others with His Story

Carlo explains that he took a break from social media, “a step back and I started focusing on my health. I was about 250 pounds at the beginning of this year. And I've always enjoyed watching these transformation videos of people who, you know, they've done things, they've done some weight loss. I find it very inspiring. So I've had some success with my journey. So I thought I'd make this video just to add my voice to the mix out there,” he says.

He Tipped the Scales at 250

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He explains that he started his weight loss journey in January, 2020, tipping the scales at 250 pounds. “This was by far the highest I've been. I've always struggled with weight loss. I've definitely lost some weight here and there. It's always been like, sort of attached to something else. So the kids had sports, and maybe during their practices, I would walk and I would begin to lose some weight. I'd find some success, but when the season ended and the practices stopped, I would stop and the weight would come back.

He Set a Goal to Walk 3 Miles Every Day

Person walking to Freedom Concept​Here’s How Many Calories You Can Burn WalkingShutterstock

“This time around, I decided to do walking again. So I definitely wanted my journey to be something that I could do for the long haul. Something that I could sustain, just keep moving the whole time. So I tried to walk every single day, three miles. It was basically the goal I had,” he says.

He Was Inspired by Someone Who Did a 5K Daily

Underwater,Reflection,Silhouette,Of,A,Girl,Walking,On,The,Seashore​Your Sustainable Path ForwardShutterstock

He says that he was “inspired” by someone he saw on Twitter “who was doing a 5K every day for a hundred days,” he says. “I said, you know what, I'm gonna try to do this. I'm gonna try to walk, not really run, but just walk 5K every day for a hundred days and see where it gets me.”

It Took Him an Hour to Walk 3 Miles or 7,000 Steps

Smart watch woman using smartwatch touching button and touchscreen on active sports activity or morning jogging during beach sunrise or sunset. Closeup of hands and wrist with smart watch screen.Shutterstock

He explains that some days he walks at a slower pace, especially when he doesn’t feel like walking. “I don't wanna do this, but I'm gonna get it done. So even if you just walk at a slow pace, it's better than not doing it at all.” He ends up walking three miles in an hour, or 7,000 steps.

It Wasn’t “Too Taxing” On His Body

tourist couple walking on cobblestone street vacation in europe on holiday break​Don’t Increase Walking Too FastShutterstock

“It was something that wasn't too taxing on my body. I did it every single day, getting to about 115 straight days.” He says the weight loss started, and “progressively came down every day.”

He Started Working Out with a Trainer

Gym customer is getting advice and suggestion from her personal trainer for exercising plan program and getting her evaluation chart from sample blood test for her workout progress conceptShutterstock

He also started working out with a personal trainer and strength coach. “I wanted to walk, but I also wanted to do some strength and try to up my metabolism, up the muscle growth, in addition to cardio, just to lose weight,” he says. He learned how to do body weight exercises, like pushups, sit-ups, “just normal calisthenic things.” However, “the anchor to everything was the walking.”

He Walks No Matter What

Man walking on sunlit trail in autumn forest enjoying peaceful walk in nature​Walk for 30 MinutesShutterstock

He reiterates that even when he gets home late, he makes sure to walk. “I'm gonna put that time in. I'm gonna trust that process, and I'm gonna just keep working at this.”

He Also Logged His Food

Person using Apple i-phone to press and access the MyFitnessPal app / application​1. Track Your Food IntakeShutterstock

Walking also helped him with his eating. “If you walk every day, then maybe you snack a little less. I was logging all my food.” He says that the daily habit helped him “stay on that right path.”

He Lost 55 Pounds in 7 Months

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Over 7 months he went from 250 down to 195, losing “a good 55 pounds with maybe one to two days a week of strength training, and then seven days a week of walking, just walking every single day.”

After 8 Months, His Weight Stabilized at 205

A happy man is relaxing on green grass with squint eyes and raised up to sky arms at sunny summer day at park background. Concept of wellbeing and healthy lifestyle

Now his weight has stabilized at 205. “It's a good 50 pound loss for me, which is great. My energy is super high. My cardiovascular is a lot better. I can run more. I've started jump roping. That's a new thing that I've added to my workout routine.”

He Hopes His Story Will Help Others

“I just wanted to share this story with others. I'm just a normal dude. I'm 47, so creeping up on 50, just trying to get back in shape, trying to change the chemistry of my body, the composition of my body to lead a healthier lifestyle, which I think is good for everyone.”

Katie Tufte cortisolsavvymama cortisol.savvy.mama
Copyright cortisol.savvy.mama/Instagram
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Our team of licensed nutritionists and dietitians strives to be objective, unbiased, and honest.

We are committed to bringing you researched, expert-driven content to help you make more informed decisions around food, health, and wellness. We know how important making choices about your overall health is, and we strive to provide you with the best information possible.

Are you dealing with high cortisol and struggling to lose weight? Katie Tufte is a mom and influencer whose mission is “helping moms conquer weight loss, energy, and support cortisol + GLP-1 naturally.” In a new social media post, she reveals the simple changes she made to lose weight fast. “5 habits that helped me go from 175 to 140 pounds in 5 months,” she writes.

She Discovered She Had High Cortisol

“When I discovered I was dealing with high cortisol, I felt stuck—like nothing was working for me. But I made a few key changes to my daily routine that helped me lower cortisol naturally and finally start losing weight,” she writes.

Less Intense Workouts

Swapping out high-intensity workouts for lower-intensity alternatives was a game-changer. “I started walking…a lot! And strength training 3-4 times a week!” she reveals.

She Hydrated

She also prioritized hydration. However, she didn’t drink plain water; instead drinking water infused with minerals. “Staying hydrated with electrolytes,” she says. According to the Mayo Clinic, hydration is essential for various reasons. Water helps eliminate waste through urination, perspiration, and bowel movements, keeps your temperature regular, lubricates and cushions joints, and helps protect sensitive tissues.

She Went to Bed Earlier

By setting an earlier bedtime, getting more sleep also enabled her to lose weight faster. “Prioritizing sleep is crucial for stress relief and hormone balance,” she says. What are the health benefits of sleep? According to the Sleep Foundation, getting enough z’s is a mood booster, promotes heart health, regulates blood sugar, improves mental function, restores your immune system, helps relieve stress, and aids in weight loss.

She Changed Her Diet

She also made some dietary changes. “I started eating balanced meals, focusing on increasing protein to stabilize my blood sugar,” she says. According to clinical trials, consuming more protein than the recommended dietary allowance not only reduces body weight (BW), but also enhances body composition by decreasing fat mass while preserving fat-free mass (FFM) in both low-calorie and standard-calorie diets.

Cortisol Supporting Supplement

She maintains that taking a cortisol-supporting supplement was very helpful. “This was the game-changer that helped manage my stress levels effectively,” she says.

You Can Break the Cycle

“Within 5 months, I lost 30 pounds that I’d been struggling with for years, and my energy levels came back! And about a year later, I added in gut health and lost another 5! By supporting your cortisol levels and gut health, you can finally break free from the cycle of stress and weight gain,” she says. And if you enjoyed this article, don't missthese 8 High-Protein Foods with Nearly Zero Calories That Melt Fat.