I Lost 45 Pounds and Got Into the Best Shape of My Life in 90 Days With These 9 Steps

If you have a lot of weight to lose, it can seem hopeless and impossible. However, Samantha Costa, a 23-year-old influencer, lost a whopping 60 pounds in 3 months. In a viral YouTube video, she explains exactly how she did it, and a lot of it had to do with shifting her perspective and overall approach to weight loss.

Losing 60 Pounds in 6 Months with PCOS

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She starts with her backstory: In 2018 she was diagnosed with PCOS (polycystic ovary syndrome), which resulted in weight gain. “I fluctuate weight a lot and it also affects my periods. With that being said, because I was diagnosed with PCOS, I put on a lot of weight very fast, and it wasn't a type of weight that was healthy,” she said. Costa, who is five-foot-one, topped the scale at around 200 pounds. “Being in a place where I knew I wasn't healthy was really scaring me.” At the time she was able to drop 50 to 60 pounds in “five to six months” by going to Orangetherory and eating right. “I think I weighed around 196 pounds and I got down to around 135,” she specified.

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The Power of Whole Grains

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Her main dietary change at the time involved swapping out white carbs with whole grain and whole wheat. “I literally had grilled chicken, pasta, grated cheese, and tomato sauce every single day because that's what made me happy,” she said. After graduating from college in May 2022, “and I honestly was a very steady weight of around probably 129 pounds to 140 throughout all of my senior year of college,” she felt like she was at a healthy weight for herself around 135 pounds. She spent the summer lifeguarding. “I was having a really fun time, and honestly everything was going very well,” she continued.

A Stressful Job Ruined Her Health and Happiness

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However, in August she started her “big job at a big four company” and it was “the downfall of everything,” she claims. “I'm not going to talk too much about it, but the stress of that job, which I am no longer working in, was very, very hard for me.” She stopped working out and spent most of her free time isolating. Over a period of about 7 months she probably gained 60 to 70 pounds, and was “very, very sad,” she says. “I wasn't happy with how I looked and I was having a hard time with it, but it was more that I knew I wasn't healthy and I knew I needed to get healthy because of this. I would always tell myself, ‘You know what? You did it once. You can definitely do it again.’”

From 10,000 Steps to 500

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She couldn’t motivate herself to go to fitness studio again, “something that I used to love going to do,” she says. While she used to walk 10,000 steps a day, she “was lucky if I hit probably 500 steps a day because I was always at my computer, always doing something for work, and there was really just no time for me to do it.”

She Lost 10 Pounds in a Week and Kept Going

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Every day she looked in the mirror and told herself “in three months from now, you will look so much better. You'll feel so much better, which is the most important, and you will want to do things because you started.” Eventually she started seeing progress, claiming that she lost 10 pounds in one week, which she knew was water weight. Within a few weeks she noticed a “little bit of a difference” and once she started to see that difference, “it was a lot easier to believe in myself and notice that there was real progress happening and that there was change happening, which allowed me to keep going within my journey.”

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The Secrets to Her Success

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She revealed that she did keto, which is “very hard to sustain,” she admits. “It was very hard for me to eat a certain amount of carbs every single day, and it was very hard for me to cut out sugar. I'm someone who loves sugar, but I knew that in order to be in a healthy place again, and in order to get to my goal in the most efficient way, especially with summer coming up, I needed to do something that would really change and really allow my body to adapt.” She also emphasizes the importance of protein. “Eating carbs is something that obviously we all need. I am not saying don't eat carbs. Please eat your macros. Please eat carbs. Please allow yourself to have the energy that you need. I'm just saying what I did was I lowered the amount of carbs that I ate, but I was still eating enough to feel energized to be able to go to the gym and to give my body what it needs.”

She Increased Intake of Proteins and Exercised

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Amping up your protein intake may help you lose weight. 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. She also went back to fitness studio four to five times a week, starting with gentle workouts and working her way up to more intense ones. She also recommends taking rest days.

Stay Motivated and Positive on Your Journey

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“In the beginning, you're probably going to feel like you can't do it and it's probably going to feel impossible, and if you are someone who doesn't feel like that, I give you so much credit because I've been there so many times and I felt like it was impossible every single time,” she adds. “The number one thing I want to tell you is to prove yourself wrong. Prove every single person that may have doubted you wrong. The only thing that matters is that you believe in yourself. The only thing that matters is that you have the mindset that will allow you to feel better, and every single time you question yourself, make one of those videos, take progress pictures, tell yourself that you are so much better than you were even one day ago, and if you are really having trouble starting, just try for one day.”

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💪🔥Body Booster: Increasing your protein intake and decreasing your carbohydrates is a scientifically backed tactic for weight loss. However, you still need a sufficient amount of carbs to stay energized.

Kiki (@kikivirk) is a weight loss influencer who has amassed a social media following for sharing all the tips and tricks that enabled her to lose a whopping 60 pounds and keep it off. In one of her viral videos – viewed over 8 million times, Kiki reveals the biggest weight loss mistake she made on her journey – and also what ultimately led to her weight loss success.

She Says Doing High Intensity Workouts Were a “Huge Mistake”

“I was so motivated to lose weight and I wanted to see results fast, but I didn't do my research and I jumped straight in, literally into a high intensity, 90 day workout plan. Huge mistake,” Kiki says in the video.

After 45 Days She Hadn’t Lost Weight

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After a month-and-a-half, she didn't feel like she'd lost any weight. “I was overdoing it. The long, painful HIIT workouts were actually doing my body no good. They were causing it too much stress and loads of other problems,” she says.

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She Had “Weight Plateaus” and “Felt So Hungry and Fatigued”

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In another video, she specified that she was doing “high intensity cardio” five times a week in hopes it “would burn fat fast and give me my dream body,” she explained. “But instead, I had weight plateaus and felt so hungry and fatigued.

Her Fat Began to “Melt Off” When She Started Strength Training

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“Literally, as soon as I started strength training and less cardio, the fat began to melt off, and the lean muscle mass I gained gave me the tone look I'd always wanted,” she continued.

Her Program: LISS, Walking, Strength and Resistance Training, and a Short HIIT Workout

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Her program starts with doing 45 to 60 minutes of LISS cardio four times a week. She also walks 7 to 12,000 steps every day, does strength and resistance training three times a week, and a 15-minute HIIT workout once a week.

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An Expert Weighs In

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“What she says is definitely spot on,” says Kendra Gamble, HIT Fitness Training, Huntingdon Valley, PA, NPTI Certified Personal Trainer and Nutritional Consultant. “Intense cardio and intense HIIT more than twice a week will do the body more harm than good and is not the way to lose fat and get that toned look.” Instead, she agrees that “increasing your everyday steps is more of the most important and beginner things you can do to start losing fat along with getting your diet right.” Unfortunately, “fat loss is not an immediate thing and will take time and dedication but she explains it all perfectly.”

💪🔥Body Booster: If you are a beginner trying to lose weight, starting by increasing your steps and modifying your diet instead of going overboard with higher intensity workouts.

Weight loss can be a tricky equation. However, there are many people online sharing their success stories who have shared the healthy habits responsible for dropping weight. Online fitness coach Alexandra, who goes by the handle @alexx.fitt, revealed in a viral video that after struggling to lose weight for years she lost a whopping 40 pounds in five months.

1. She Started to Make Healthier Choices Every Single Day

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“Here's how long it's going to take you to lose weight. I lost 40 pounds and here's what I did and how long it took me,” she says in the video, revealing that her weight loss journey first started in 2020. “I think around that time for a whole year I did every single diet, every single workout, every single meal plan, and nothing worked. Nothing would actually help me lose weight.” However, in January 2021, she learned the secret to losing weight fast. “Instead of following a freaking diet, I basically started to make healthier choices every single day,” she said in the video. It “all started with walking and a schedule,” she continued. “I made a plan of what time I'm going to eat and what I will be eating. I stuck to that schedule,” she added.

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2. She Saw Results Within the First Month

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There is scientific evidence supporting the benefits of meal planning. Studies the more meals you eat prepared away from home, the higher your risk of cardiovascular disease, cancer, and early death. And, one study published in the International Journal of Behavioral Nutrition and Physical Activity found meal planning was associated with a healthier diet and less obesity. Then, from January 2021 on “I literally walked every single day for six months straight,” she said. “There were like two days that I missed. Maybe it took me about five, six months to lose 35, 40ish pounds, but I saw results within the first month.”

3. She Lost 50 Pounds in 6 Months

In a recent Instagram video, she got specific about her steps (and also revealed that she lost 50 pounds in six months). “Hear me out walking seriously changes your life, I was able to lose 50lbs in less than 6 months by walking 10k steps a day!” she captioned the post. A 2018 study published in the journal Obesity found a link between walking 10,000 steps a day and weight loss and weight management. Other studies published by the Journal of American Medical Association (JAMA) in JAMA Neurology and in JAMA Internal Medicine also linked walking 10,000 steps a day to less dementia and less cardiovascular disease overall, with less heart disease, less heart failure and fewer strokes.

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4. Exercise Shouldn't Feel Like Punishment

Something else that was helpful for Alex was shifting her mindset. She explains that prior to losing weight, she viewed running as “a form of punishment,” but now she feels like exercise is something she is “so grateful for,” she wrote in another TikTok. “I'm grateful I get to go on a run and move my body, and I do that kind of stuff because it genuinely makes me feel good. I don't do it as a form of punishment. I'm like, I'm going to feel so good after I run. It's going to clear my mind,” she added.

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5. Exercise Make Her Feel Good

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“I wake up anxious sometimes. So going on a run or even doing a morning workout, I'm like, oh my goodness, this helps me so much. So that's the kind of mindset shift you got to have when you're trying to lose weight. It's a lifestyle. You're doing this stuff because it feels good for you, not because you have to.” Alex is spot on about using exercise to quell anxiety. The American Psychological Association dubs it a “healthy stress reliever,” and several studies back up the claim.

💪🔥Body Booster: Walking 10,000 steps a day is not only an effective workout for weight loss, it can improve your cardiovascular health and ward off cancer, according to research.

TikTok influencer Liza (@lizamarie_fit) lost 140 pounds and kept it off—and she lost the first 100 pounds without setting foot in a gym. So how did she not only lose the weight but maintain it three years later and counting? Liza made two simple lifestyle changes that led to 40 pounds being lost in the first couple of months alone—here’s exactly how she did it.

She Walked Every Day

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Liza started walking every single day, before getting an activity tracker and making sure she was hitting at least 10k steps a month. “Every single night I would walk anything from 20 minutes to 30 minutes, sometimes an hour with my best friend. And I did that for two months,” she says. “That is the first time I ever saw a chunk of weight go down.”

No More Junk Food

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Liza cut out junk food and started eating at home. “I was eating the majority of meals at home and I was walking every day,” she says. Studies show people who cook and eat at home tend to make healthier choices.

RELATED: 7 Bodyweight Exercises You Can Do Anywhere to Drop Pounds

Calorie Deficit

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Thanks to Liza’s walking and diet, she had a calorie deficit, which is crucial to weight loss. “It’s the secret sauce for weight loss,” she says. “When it comes down to losing weight, it doesn’t need to be that complicated.”

Working Out

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Liza started working out a couple of months into her weight loss journey, excited by the progress she was making. “I would do around two to three at-home workouts a week,” she says. “Which is why I love all my ‘shy girl’ workouts that I share, just to prove to women that you don’t need a crazy gym membership. You don’t need to be doing the craziest workouts to see results.”

Tracking Macros

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Liza started tracking the carbs, fat, and protein in her food after she lost 80 pounds and wanted to learn more about nutrition. “I was like let’s hop on the train, let’s take this even further,” she says. “I’m still weighing a lot, I’m still in the 200s, and I want to get to one-derland.”

Protein Goals

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Liza focused on maintaining her calorie deficit and hitting her protein goals. “I was trying really hard to hit my protein goal and I was trying really hard to stay within my calorie deficit but I was not perfect,” she says. “There were days when I went over a bit, there were days I went under a bit.”

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Realistic Goals

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Liza wasn’t hard on herself during her weight loss journey. “If you are striving for perfection you are setting yourself up for failure,” she says. “Doing little things one by one over time and not giving up is what got me here today.”

💪🔥Body Booster: The most simple changes, when made consistent and sustainable, yield results.