I Lost 60 Pounds with Intermittent Fasting: Key Lessons on Weight Loss

I Lost 60 Pounds With Intermittent Fasting — Here’s What It Taught Me About Weight Loss

With all the trends out there, I overcomplicated weight loss. It turns out, the principles were simpler than I thought. Although the process was not easy, it was worth it.
I Lost 60 Pounds With Intermittent Fasting — Here’s What It Taught Me About Weight Loss
Photos courtesy of Hilary Lebow

As a health journalist, I’ve tried just about every diet under the sun. It turns out, the best diet for my weight loss was not a traditional diet at all — it was intermittent fasting, which involves limiting eating to certain times or days of the week.

Believe it or not, I lost 60 pounds with relative ease. Even better, I finally found something sustainable. I started fasting for weight loss, but now I’m sticking with it for the other health benefits I’ve experienced.

Hilary Lebow
My face changed quite a bit with my weight loss, comparing 210 pounds in December 2022 versus 150 pounds in February 2025.
Photos courtesy of Hilary Lebow

I started my weight loss journey weighing 210 pounds and wearing clothing sizes 14 to 16. My fasting glucose levels weren’t quite in the prediabetes range, but I was pretty close. I had high cholesterol, random chest pains, and flare-ups of rosacea. I got winded going up the stairs and my digestion was out of whack. I struggled with depression, anxiety, and bouts of insomnia. As an athletic person for much of my life before gaining weight, I just didn’t feel like “me.”

Post weight loss, I’m around 150 pounds and size 4 to 6. Instead of overeating when I’m stressed, I’ve retrained my body to eat when I’m hungry — one research-backed benefit of fasting.

 I can run, lift weights, and squeeze into clothes I never thought I’d wear again. I rarely weigh myself and, instead, base my progress on how I feel. In three words: I feel fantastic.
Metric
Before
After
Weight
210
150
Size
14-16
4-6
Cholesterol
High LDL
Normal range
Fasting glucose
Near prediabetic
Normal range
Hours of sleep
8-10
7-8
Steps per day
5,000
12,000-18,000
Meals per day
5-6
2-3
Eating window
7 a.m.-11 p.m. (16 hours)
12-8 p.m. (8 hours)

Slow, Steady Weight Loss Is More Sustainable

My journey took about a year or so. I wasn’t super strict with it. The great thing about intermittent fasting is you don’t need to be a control freak. You can fast when you need a boost or a reset, and then enjoy life when you want to. It’s all about balance.

The first three months, I was diligent and tracked my progress in an app called Fastic, which showed me what stage of fasting I was in: insulin secretion, insulin decrease, stabilization, and ketosis. I like knowing how bodily sensations correspond to what's happening inside my body. I can tell when I'm in fat-burning mode and it helps me stick to my fast. I lost 8 to 10 pounds per month, which is the upper end of what the Centers for Disease Control and Prevention (CDC) considers to be “safe” weight loss.

 After that, I loosened my grip and lost about four to five pounds per month.

“Most people will lose weight more quickly in the beginning, though this isn't all fat mass, says Jonathan Bonnett, MD, a board-certified family, sports, obesity, and lifestyle medicine physician in Palo Alto, California, and a clinical associate professor at Stanford University School of Medicine. Early weight loss is actually a combination of water, salt, and carbohydrates. “In general, most people won't lose more than a few pounds per week of actual fat.” That’s why doctors pay attention to the percentage of body fat lost, not just pounds. You can measure your fat percentage with a smart scale or by going to the gym for a body scan.

Fasting Works By Using Your Own Fat As Fuel

Hilary Lebow
When I was at my heaviest in 2020, I couldn’t lose weight no matter how much I worked out. Now that my blood glucose is stable, the weight stays off with ease.Photos courtesy of Hilary Lebow

My favorite analogy for intermittent fasting is a sports car. If you’re driving a classic muscle car and you already have a full tank, there’s no need to go to the gas station every two hours and top it off. In fact, you’d need extra canisters to store the fuel, which would weigh down your car and tax the engine.

The same could be said for the human body, research suggests.

When we eat around the clock, it keeps our insulin levels elevated in “fat storage” mode. The excess sugar in our blood (glucose) gets stored in the liver and muscles — the extra canisters of gas in the sports car.

But if we start fasting regularly and drain those glucose stores, we can dip into our own fat for energy — the fuel you already have in the tank. This is a process known as gluconeogenesis and ketosis, which typically hits after the 12-hour fasting mark.

As the thinking goes, regardless of whether you’re munching on food, your body is still eating. You're getting fuel from your organs (glucose) or your own fat stores (glycerol and ketones), says Jason Fung, MD, in his best-selling book The Obesity Code and viral lecture (at 31:25).

Unless you’re well below a safe body mass index (BMI), your body will have fuel to burn. “Even lean individuals have tens of thousands of calories of energy available to them, if needed,” says Dr. Bonnet. “We still need adequate nutrition — protein, essential fatty acids, vitamins, and minerals — though we would preferentially want to be using the body’s fat stored energy in order to lose weight.”

Fasting Is More Normal Than You’d Think

Hilary Lebow
I used to live in sweatpants, like this snapshot from December 2022. Now many of my old clothes no longer fit, as seen in this photo from December 2024.Photos courtesy of Hilary Lebow
During my weight loss and research journey, I read that humans did not evolve to eat all the time. Our ancestors were used to times of abundance and scarcity. Ancient Romans, for example, only ate one large meal a day around 4 in the afternoon.

Up until 50 years ago, intermittent fasting was more or less the norm in America (though it wasn’t called that). Traditionally, families ate breakfast from 7 to 9 a.m., lunch from noon to 1 p.m., and dinner from 6 to 8 p.m., giving the body a minimum daily fast of 11 hours.

Today, though, the average American eats roughly four meals per day.

Some studies paint it far higher at 11 times per day, with 35 percent of calories being consumed after 6 p.m.

At the same time, obesity rates have tripled since 1975.

With constant food marketing and ever-shifting diet trends, I thought I needed to graze all the time to stay healthy.

 But after I lost weight and experienced health benefits like improved glucose control, I learned that wasn’t the case.

That said, before changing how frequently you eat, it’s important to check with your doctor if you have a health condition or suspect you may have one, says Aalia Al-Barwani, MD, a board-certified obesity medicine physician in Houston. “Discernment and caution needs to be used for someone with chronic disease such type 1 diabetes, labile or ‘brittle’ diabetes, or kidney failure.”

A Little Experimentation Can Go a Long Way

Hilary Lebow
The roundness of my face has gone away, comparing December 2022 (210 pounds) and February 2025 (150 pounds).Photos courtesy of Hilary Lebow

While everyone's journey will be different — and relationships with food are deeply personal — here's a look at what worked for me. Before fasting, I ate around the clock from the time I woke up to the time I went to bed, giving my body about nine hours of total fasting time (while sleeping).

I started with the 12:12 method. This refers to 12 hours of eating and 12 hours of fasting. Keep in mind, I was asleep for eight of those fasting hours. I bumped back breakfast by two hours and moved up dinner by two hours. My body got used to the new routine in about a week.

Then I graduated to the 16:8 method. Swayed by the insane before and after photos on the intermittent fasting Reddit thread, I shortened my eating window. This meant 16 hours of fasting and eight hours of eating. I chose to eat later in the day so I didn’t go to sleep hungry.

I dared to try OMAD. This is “one meal a day” or fasting for 23 hours. I didn’t get hungry, but it was a bit too hardcore for me, as I couldn’t eat all of my calories in one sitting. Plus, I prefer to work out earlier in the day, so it was tough to wait until the end of the day to refuel. Even so, there’s a whole group on Reddit who swear by OMAD.

I tried prolonged fasting. I first read about longer fasts in the New Testament. The idea freaked me out, so I got curious about the scientific literature to support it. Turns out, there’s a lot. So far, I’ve done half a dozen of them. I started with 24 hours and worked up to nine days with just salt water (for electrolytes). Each time, it banished my sugar cravings and hunger cues disappeared. After a few days, I felt normal, even when people around me were eating. At the end, I eased back into food with soups and smoothies. I’m always shocked at how amazing “boring” ingredients taste. It’s as if my tastebuds have reset.

During prolonged fasting, autophagy happens behind the scenes. Although research in human models is limited, autophagy is essentially the body’s ability to recycle old, dying cells and repurpose them. Dr. Fung theorizes autophagy is the reason his patients who do intermittent fasting don’t deal with loose skin — a common side effect of dramatic weight loss, and one I was also spared during my journey.

“[Autophagy] has significant health benefits, however, it is difficult to measure and likely requires prolonged fasting (24 to 48 hours) to achieve and reap substantial benefits,” says Bonnet. “The potential benefits must be weighed against the risks that extended fasts can have, such as a loss of lean muscle mass.”

Prolonged fasting longer than 24 hours may pose other health risks, says Al-Barwani. “It is not sustainable and has a high risk for lots of medical complications. I would not recommend this without medical supervision, especially in elderly and people with chronic conditions such as heart or kidney disease,” she adds.

Finally, I returned to 16:8. Of all the methods of intermittent fasting, my favorite one is 16:8, as it’s the simplest way to drain my glycogen stores every day. My typical eating window is 12 to 8 p.m. I naturally get hungry around noon, but I still need a reminder to stop grazing at night. For that, I use an alarm on my phone.

Small Portions of Nutrient-Dense Foods Have Become Satisfying

Hilary Lebow holding a salad
While salad bars can be pricey, the nutrient density is off the charts.Photos courtesy of Hilary Lebow
At first, I didn’t change my diet at all. I just focused on intermittent fasting, and I lost weight. Over time, my portions decreased from standard American to European sizes.

For example, on days when I’m not working out, a full-size California burrito feels like too much for one sitting. Instead, I’ll grab three street tacos or order off a kids menu. The smaller portion still hits the spot and I’m satiated. This phenomenon of eating less is backed by research, as studies suggest that people who fast tend to eat fewer calories on unrestricted days.

My cravings also changed. I gravitated toward a Mediterranean Diet and the principles outlined by Jessie Inchauspé in her bestselling book Glucose Revolution. Salad bars became a staple. I noticed that high-fat items — avocados, olive oil, nuts — kept me fuller for longer. And many sugary snacks, which I previously loved, became too sweet for me.

Now, 80 percent of the time, I focus on whole, nutrient-dense foods like fruits, veggies, nuts, seeds, legumes, eggs, lean meats, and plenty of olive oil.

The other 20 percent of the time, I eat all my favorite foods. I don’t believe in restricting myself. I still adore pasta, ice cream, chips, beer, wine, and pizza, but I opt for a few slices instead of the whole pie. I’ll mix treats into my regular fare or pick a day to eat whatever I want. I cherish a little chocolate every day, though now I prefer low-sugar options like Lilly’s or Hu.

Although I don’t count calories or weigh my food, I do think about how to hit the right macronutrients with each meal. “It’s important to plan your meals when you are in the eating window so that you aren't just binging because you skipped a meal,” says Dr. Al-Barwani.

Exercising While Fasting Is Possible (and May Be Beneficial)

Hilary Lebow's 12-3-30 workout
Snapshot of a 12-3-30 workout at Planet Fitness.Photos courtesy of Hilary Lebow

Never forget that you’re an animal. Find different ways to move. After the first 30 pounds came off, I took up light forms of cardio like walking or 12-3-30, a treadmill workout created by influencer Lauren Giraldo where you walk at an incline of 12 at a speed of 3 for 30 minutes. However, I have a spinal injury (slipped L5), so I need to use a gentler incline, around level 8.

Now that I’m 60 pounds down, my goal is to be strong and look lethal. I lift weights three to five times at Planet Fitness per week with an upper body–lower body split. I do circuit training and incorporate compound movements, which are exercises that target the most muscle groups at once. Think squats, deadlifts, pull-ups, and push-ups. It helps to set a specific goal and train around it. For example, I’m trying to master a controlled handstand, so I’m incorporating yoga movements and calisthenics (using my own body weight) to strengthen my core.

I also start and finish each session with cardio, as research suggests the positive benefits of intermittent fasting may be enhanced by aerobic exercise.

 According to my Fitbit, I get between 12,000 and 18,000 steps a day. (Before my weight loss, this was closer to 5,000.) My new thing is “triathlete days” where I mix it up with a 10-minute run, 10-minute row, 10-minute cycle ride, and 10-minute climb on the StairMaster.
Most of the time, I work out in a fasted state, as it’s more convenient for my schedule. “There are emerging studies suggesting that there may be additional benefits to exercise in a fasted state on adipose tissue metabolism,” says Daisy Duan, MD, an assistant professor at Johns Hopkins University School of Medicine in Baltimore, and a diplomate on the American Board of Obesity Medicine (ABOM). Fasted exercise may shed more fat, as the enzymes required for fat breakdown are higher during a fasted state, says Dr. Duan.

 It’s important to note, though, that studies often focus on short-term interventions, so long-term data is still needed.

Al-Barwani says it’s relatively safe to work out during a fasted state. “I would recommend doing it earlier in the day. Make sure to stay hydrated and listen to your body. Some studies recommend avoiding high intensity workouts during fasting, however I would say that it depends on your goals.”

Fasting Can Be Surprisingly Easy to Maintain Long-Term

Hilary Lebow
Travel selfies in June 2023 versus December 2024.Photos courtesy of Hilary Lebow

My body got used to intermittent fasting in about a week. At first, I got hungry first thing in the morning. It was uncomfortable, but I kept busy with work and errands. My sleep schedule was a little off for a few nights and I had strange dreams. But after a few days, I only felt hunger cues in the afternoon and my sleep returned to normal. I couldn’t believe how easy it was. I was shocked at how quickly the weight came off.

Sixty pounds later, I can’t imagine going back. It’s easy to maintain. I eat less food. I have better focus during fasted hours, which may be due to an adaptive stress response that improves learning and memory.

 I sleep deeply and need less time resting, down from 8 to 10 hours to seven to eight. Most importantly, I feel like myself again.

The Takeaway

  • Before I tried intermittent fasting, nothing else worked for me to lose weight.
  • My weight loss took about a year, with the most weight loss in the beginning.
  • Of all the methods of fasting I’ve tried, the easiest to maintain is 16:8, where I fast for 16 hours and eat during an eight-hour window.
  • Apart from weight loss, I’ve enjoyed the tightening of my skin, increased energy and focus, and ability to eat what I want but still maintain my weight.

Important: The views and opinions expressed in this article are those of the author and not Everyday Health.

EDITORIAL SOURCES
Everyday Health follows strict sourcing guidelines to ensure the accuracy of its content, outlined in our editorial policy. We use only trustworthy sources, including peer-reviewed studies, board-certified medical experts, patients with lived experience, and information from top institutions.
Resources
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  11. Jason Fung — 5 Stages of Intermittent Fasting. YouTube. May 9, 2021.
  12. Ruby MB et al. Differences in Portion Sizes in Brazil, France, and the USA. Foods. February 2024.
  13. Mandal S et al. Intermittent fasting: eating by the clock for health and exercise performance. BMJ Open Sport & Exercise Medicine. January 2022.
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Kara-Andrew-bio

Kara Andrew, RDN, LDN

Medical Reviewer

Kara Andrew, RDN, LDN, is the director of health promotion for Memorial Hospital in Carthage, Illinois. She is also licensed as an exercise physiologist and certified in lifestyle medicine by the American College of Lifestyle Medicine. Her experience includes corporate wellness, teaching for the American College of Sports Medicine, sports nutrition, weight management, integrative medicine, oncology support, and dialysis.

She earned her master's in exercise and nutrition science at Lipscomb University.

Andrew has served as a president and board member of the Nashville Academy of Nutrition and Dietetics. She was recently elected a co-chair of the fitness and medicine group in the American College of Lifestyle Medicine.

hilary-lebow-bio

Hilary I. Lebow

Author
Hilary I. Lebow is a journalist from California who covers health, wellness, travel, and lifestyle content. She has fitness and nutrition certifications through the Yoga Alliance and the National Academy of Sports Medicine. She has written for Greatist, Healthline, Psych Central, Explore, and Islands magazine, among others.