Plus, a case for changing the way you think about calories

Stay fueled from the first mile to the last with these gadgets, books, and pantry staples

Athletes are looking for whole-food options to replace their chemical counterparts. We asked one writer to test high-end baby food and report back.

We taste tested 15 meals to see if the road to culinary and nutritional bliss can start in the microwave

A master list of the most worthwhile nutrition advice we've ever written

A beginner's guide to the burgeoning nutrition trend

Because there's more than just brown rice out there

Optimize your recovery by perfecting your post-exercise meal

Quit popping pills. These nutrient-dense eats have all you need for peak performance.

As an athlete, you're only as good as your diet. Equip your kitchen with tools that make healthy cooking easy and you can elevate your performance, no additional miles required.

Everyone loves pumpkins, squash, and apples—but these lower-profile ingredients taste great and boost performance

Seven adventurers on their favorite legal performance enhancer

Sasha DiGiulian shows us how to make her favorite energy bar recipe alongside fellow climber Meagan Martin.

Outside staffers share their thoughts, feelings, and angry mid-workout musings on the endurance sports world's favorite fuel

You don't need to scour the shelves for "healthy" foods. Sometimes the processed stuff is best.

These athlete-approved dishes deliver maximum nutrition per bite, so you're fueling with every forkful

Sure, it's old fashioned. But it's also nutritional rocket fuel, and athletes are making it taste great. Here's how.

Our writer spent a week riding bikes with the founder of Clif Bar to learn about the next great innovations in the performance fuel space

In a world dominated by the super sweet, these saltier, crunchier products are taking a stand

What you eat while on the trail can make or break your ability to make it to the finish

Your nutrition is just as important as your training. Don't take bad advice on how to perfect it.

Making healthy meals while traveling doesn't have to be hard

The story of how a confectionary mishap helped Edmund Hillary and Tenzing Norgay reach the world's most famous summit

During intense training, it's easy to let good nutrition fall to the wayside, but it's also the most important time to get fueling right. Here's how to do it.

These Euro-style waffles are the hot new performance fuel, so we put a bunch of flavors to the test to figure out how they stack up to the real thing

Our favorite free-range, protein-packed, delicious snacks

The science on how, or even if, these powders, capsules, and goos really help remains inconclusive. But many athletes believe the placebo effect alone may be enough to nudge them to victory.

Your simple guide to using the supplement the right way

What was once spontaneous consumption has turned into a science of its own

Thanks to a shrewd food marketing industry and slick packaging schemes, we're overpaying for products that make major health claims with little real nutritional payoff

Keto, paleo, vegan, and more—we've got you covered. A few key adjustments to these basic nutrition programs ensure you can tackle heavy-effort loads and still fuel the way you want.

Climbers, cyclists, runners, and all kinds of other athletes—both men and women—are starting to speak out about disordered eating in their communities

Quinoa, bananas, and peanut butter are recurring characters, but add a little more flavor (and nutrition) to the plot by tossing in these surprising purchases

Plain old spuds are the original superfood. We should all be eating more of them.

Growing research debunks the myth that the paleo movement replicates the diet of our ancestors. Here's what they were actually eating.

How to best fuel your body based on where you live

Outside staffers on which flavors they'd pack for their races and which they'd rather leave behind

Fuel up between meals with these healthy options

A new cookbook explains how to feed your hungry family or a group of marathoners without calorie-dense meats

There's a flipside to dehydration that kills athletes and otherwise healthy people every year. And it's on the rise.

More women in the running community are beginning to speak out about amenorrhea

Get the most out of your workouts with these energy sources

Where healthy-eating pros turn for inspiration, education, and great recipes

Among other things: potatoes are the shit, junk food is OK, and everything you know about serving sizes is wrong

It won't solve all your health problems, but it might make your life a bit better

Some athletes and trainers claim the structural protein helps stave off injuries like ACL tears. Don't listen to them.

There's no magic potion, but if you perfectly pair your sports drink with your workout, you can boost your performance and recover more quickly

Watch to learn the basics of of this new nutrition trend before trying out the fat-fueled keto diet.

This salty snack has taken center stage as a healthy, protein-laden endurance fuel

To visualize what the most popular diets in America really look like, we built our own pyramids. Here's what a day on the fat-first ketogenic diet should look like.

Take the guesswork out of the supermarket's most crowded aisle

To visualize what the most popular diets in America really look like, we built our own pyramids. Here's what a day eating paleo should look like.

The Paleo Diet, which consists of eating only what our distant ancestors might have eaten, has become one of the most popular nutrition trends over the past 10 years.

Kick the store-bought options to the curb and go with this DIY formula for delicious, all-day energy

We asked four pros how they fuel for race day. We learned not to fear the beer and that sweet potato popsicles are the bomb.

The record attempt will depend as much on the runners' food and hydration strategies as their speed and stamina

It doesn't have to be all kale salads and quinoa

Rather than gobbling up protein from anywhere, pay close attention to how you're eating this nutrient

When used correctly, it plays a crucial part in an athlete’s diet. Follow these guidelines to stay on track.

There's something crucial missing from your race-day training, and it has nothing to do with mileage, time, or intervals

Don't sabotage your nutrition efforts with shady supermarket products masquerading as health food. Here's how to avoid the worst offenders.

Your next recovery meal comes in a bowl of power ramen

Frosting! Cookies! Peanut butter! It's all fair game during long days of racing.

Your gels and powders and loaded with sugar, which doesn't have to be a bad thing. Here are the sugars to avoid and the ones that are OK.

Two new books break down how sugar is killing us—and who is to blame

One of the leading labs in health and food science is under fire for shoddy research. The implications for the science community and journalists who report on the field are vast. But how much does the research matter for the average person?

Proposed legislation wants to ban the word 'milk' for anything but dairy products, which got us thinking: what actually is milk?

It seems like once a week there's a new study pointing to the potential health properties of beer. We decided to investigate.

There's a ton of misinformation about how much to hydrate and when, but the basics are actually pretty simple. Here's what you need to know.

Give your liver a break and you may gain a performance advantage, too

The healthiest items to order when you’re stuck with nothing but McDonalds or Wendy's

South African physician Tim Noakes, one of the world’s greatest sports scientists, has been preaching an ultra-low-carb, high-fat diet as the key to fitness and health. His ideas have made him a bestselling guru, but now his critics are pushing back—and as Bill Gifford reports, they’re putting his theories on trial.

Over-the-counter tests promise to cure your food-related ailments, but some question whether they work, and others warn they might do more harm than good. I decided to give one a shot to find out.

Our three-point proposal can keep you fit through the stuff-your-face months

New research suggests that not everyone should be eating the same foods. In fact, some athletes might benefit from these doughnuts.

Some athletes swear by a once-a-week indulgence. Are they right?

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