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May 3

Intermittent Fasting Schedules: Types, How to Pick – Men’s Health

INTERMITTENT FASTING HAS landed on the dieting scene as a way to cut calories without cutting your favorite foods.

This eating style only limits the hours you're eating rather than what you're eating allowing you more flexibility in your weight loss plan. If you tend to backload your calories late in the day, intermittent fasting might be a solid option for you, says Leslie Bonci, R.D.N., M.P.H., sports dietician for the Kansas City Chiefs. IF may even help improve your digestion and sleep, because eating too close to bedtime can disrupt the body's recovery mode.

So if you're great at sticking to a schedule, and you're looking to slim down, intermittent fasting might the plan for you. But then comes the big question: How do you pick a schedule that's right for you?

There are a handful of intermittent fasting eating schedules, and deciding which is best for you can be tough. The biggest thing is figuring out a schedule that feels sustainable. Below, everything you need to know about the different intermittent fasting schedules.

Intermittent fasting is the increasingly popular way to limit caloric intake by limiting the amount of time you allow yourself to eat.

The idea stems from our hunter-gatherer roots. It's thought that our bodies are much more adapted to fasting than we are to our esteemed three meals a day. The theory suggests that our ancestors fasted often when food was scarce, causing our cells to learn how to function in a fasted-state, according to a 2019 study published in the New England Journal of Medicine.

And thus, intermittent fasting was born. Though research has shown improvements in insulin resistance, blood pressure levels, and and inflammation, intermittent fasting is famed for its potential effects on weight loss. It has been seen to help people lose 7 to 11 pounds on average over 10 weeks, according to the Harvard School of Public Health.

By no means is it a perfect weight loss solution, though. The issue is that there may be a plateau in this weight loss eventually, says Perri Halperin, M.S., R.D., clinical nutrition coordinator at Mount Sinai Health System. The body may go into starvation mode, which will cause it to hold onto fat stores in preparation for another round of fasting. "So, it becomes harder to lose weight at a certain point, even though at first the weight will come down."

Even then, it might be worth giving it a shot if it feels like a sustainable plan for you, or if you're looking to shed only a few pounds. It might even be a way to simply kick the habit of midnight snacking. Whatever your goal, finding a schedule that you can stick with makes all the difference.

Ultimately, the best diet is the one you are most likely to stick with. The schedules that more closely resemble your normal eating patterns are going to be the easiest ones to adhere to, Halperin says. Not eating late at night is key, since "you want to give your body the chance to rest and repair, versus putting it in more of an action state," she says.

A few different intermittent fasting schedule options, below.

The 16:8 schedules is the most common of all the intermittent fasting schedules. It most closely mimics our traditional eating style, making it more sustainable, Halperin says.

The idea is you get to eat 8 hours of the day, and fast for 16. The benefit of this schedule is you get to pick when to start and stop your fast. So, if you're most hungry in the mornings, you can start your eating window right when you wake up. If you don't typically get hungry until lunch time, you can start your window at noon and stop eating at 8 p.m.

It's proven toothe 16:8 schedule, in conjunction with resistance training, has shown to improve several health markers and decreased fat in men.

This approach is similar to the 16:8, just with a bigger eating window. A bigger window doesn't necessarily mean you won't lose weight, though.

A 2021 study found that a group of people with obesity lost significant weight sticking to a 14 hour fast when paired with a diet program.

Otherwise known as the 5:2 intermittent fasting schedule, this takes fasting to more of an extreme than the schedules above. The goal here is to eat a normal amount 5 days out of the week, and then cut your intake to 20 percent of your intake for 2 of the days. That's about 600 calories for men.

When this program was studied in 2021, there were solid effects on weight loss, but the program had less than stellar adherence. After 6 months, only 31 percent of those who were participating in the study kept up with the schedule. Again, the best diet is one that you can stick toso if extremes like this aren't in your wheelhouse, it's better to choose one that is.

This is another higher-stakes intermittent fasting schedule. As the name hints, this plan will have you fully fasting every other day. When studied in comparison with regular calorie-restriction dieting, the alternating fasting schedule didn't show significantly better weight loss results. So, unless you succeed in an all or nothing environment, this might not be the best option for you.

If you're struggling to find a diet plan that works for you, it's never a bad idea to have a conversation with your doctor or a certified dietician. Together, you can come up with a plan that will be more tailored to you.

Cori Ritchey, NASM-CPT is an Associate Health & Fitness Editor at Men's Health and a certified personal trainer and group fitness instructor. You can find more of her work in HealthCentral, Livestrong, Self, and others.

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Intermittent Fasting Schedules: Types, How to Pick - Men's Health

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