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Find out how much you really should be eating.

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Jumpstart weight loss with the Eat to Beat Belly Fat Go! Guide—your cheat sheet to Prevention's best-selling Flat Belly Diet!

Lose weight fast with this seven-day healthy eating plan

This at-a-glance guide shows how easy it is to change your body—and your life!

weight loss success Michael Knight

A chronic overeater, Michael Knight went from being an obese bodybuilder to a celebrity trainer

Weight loss success Gina Crome

Dropping half her body weight inspired Gina Crome to help others overcome their own weight struggles

This short and sweet cleansing diet will help you get on the road to faster weight loss

french fries

A too-strict diet can undermine your weight-loss effort. To keep the pounds coming off, sometimes you need to break your own rules

Sissy Lusk

Sissy Lusk went from 345 pounds to 135 pounds and has kept it off for 11 years

Michelle Parcher

Michelle Parcher, a mother of three, successfully dropped and kept off the baby weight (and then some) for five years and counting

Losing weight by fasting

Men's Health's editor, Peter Moore, coauthor of The 8-Hour Diet, dishes on how to fast and lose fat without suffering

high-intensity workout: woman exercising

Shed stubborn pounds fast with this revolutionary new workout plan (no running involved!)

bodyweight workout

This is the ultimate do-anywhere, zero-excuse metabolic circuit

Beach Body Workout

When it’s time to take your shirt off, your chest and arms will be ready with this routine that’s designed to pack on muscle

dynamic warmup

The most important part of any workout is the one most guys skip

trail running workout

Exercises to boost your strength and stability for trail running

Back Workout

Score a strong, sexy rear view by training your traps, lats, and delts

This routine spikes your metabolism, slims you down and sculpts lean muscle. Not bad for 30 minutes of your time

dumbbell exercises

Boost your gains by downsizing your workout

Prevent running injuries and hit the ground running with this fast indoor warmup and stretching routine

man with abs

Build muscle and burn fat with this bodyweight exercise sequence inspired by ultra-fit wrestlers

before and after pictures Natombi Simpson

Natombi Simpson believed that she'd never be less than a size 24. Now she's a size 8!

weight loss success Keoni Hudoba

Keoni Hudoba sang and danced his way from obesity to a career in fitness

weight loss success Michael Knight

A chronic overeater, Michael Knight went from being an obese bodybuilder to a celebrity trainer

Weight loss success Gina Crome

Dropping half her body weight inspired Gina Crome to help others overcome their own weight struggles

Rishi Sharma weight loss success

A trip to the hospital inspired a decade of healthy living for Rishi Sharma

Sissy Lusk

Sissy Lusk went from 345 pounds to 135 pounds and has kept it off for 11 years

Diana Barta

Chronic quick-fix dieter Diana Barta committed to a healthy lifestyle and dropped 67 pounds

Michelle Parcher

Michelle Parcher, a mother of three, successfully dropped and kept off the baby weight (and then some) for five years and counting

Shira Miller

Shira Miller started her weight loss journey in the 90s and hasn’t looked back

weight loss before and after: Heather Fearneyhough

Heather Fearneyhough’s children motivated her to shed 120 pounds

Daily Calorie Calculator
Are you eating too much, too little, or just enough? Find out exactly how many calories you should be consuming for weight loss
Pace Calculator
Whether you're wondering how quickly you'll finish your next race or exactly how fast you need to run to beat your PR, this tool has the answers
Walking Calculator
Find out how many calories you burned while walking with this easy-to-use calculator. Enter your stats to get started!
BMI Calculator
Do you need to lose a few pounds? Find out by calculating your body mass index, a basic indicator of healthy weight
Body Fat Calculator
Get a gauge of your body's percentage of fat with this simple tool. Just enter your weight and a few measurements to get started
Man with six-pack abs

The Abs Diet is a simple plan that will help you shed pounds and build a strong, chiseled body. Within days you'll start shredding flab to reveal a more defined midsection and sculpted muscles all over.

Man biking down the road

If you love to ride, but want to see the effects on your waistline, it's time to focus your training. This plan helps you burn more calories after your wheels stop spinning, so you can lose more weight.

Runner crossing finish line

Challenge yourself mentally and physically with a half-marathon. This 2-week training jumpstart will help you build your base before you embark on a 10-week training regimen.

Man running along road with mountains behind him

If you’re new to running, signing up for a race is the perfect way to kick off your routine and boost motivation. The Runner's World 5-K Training Jumpstart will help get you started—in just 2 weeks!

Woman walking in the park

You can lose weight just by walking! The secret is a mix of steady-paced walks, fat-blasting intervals, and strength training that will melt away fat and send your metabolism soaring.

Woman doing seated yoga pose, back leg pointed up, arms above head

Transform your body, clear your head, and feel sexier than ever with the Slim, Calm, Sexy plan. These simple yoga workout will help you manage stress, boost your mood, and firm your figure in just 2 weeks.

Toned woman stretching outside

Don’t work out harder, work out smarter: This plan combines the genius of interval cardio with full-body strength training to keep your body burning calories longer.

Fit man sitting in the yard

This program does triple duty—building muscle, burning fat, and saving you time. The plan is built on complex movements that use more muscle with every rep, so you build more lean tissue in fewer sets.

Happy woman wearing nothing but pink underwear

Boost your in-the-buff confidence and sculpt your best body ever. Our simple plan helps you torch fat and build tight, toned muscles, so you’ll look and feel amazing—with or without your clothes on.

Slender man standing by lake

Lose your gut without working out! Simply follow this plan packed with delicious foods rich in belly-flattening monounsaturated fats (MUFAs) and watch the extra weight melt away.