nutrition

Are ketones the key to newfound speed? Not so fast, say experts. Here’s what to know about the fueling approach some athletes say has helped them level up.

You may know that you need carbs to perform well, but not always for the reasons you think. Here’s the new science on why going carb-light can actually be hurting your performance.

Our hiking columnist has spent more than a quarter of the past four years on trail. Every morning out there, without fail, he eats another perfect packet of Pop-Tarts.

Our nutrition expert takes us on a tour of fueling options available at most running specialty stores, and how runners can shop smarter to fuel their races and long runs.

We asked experts how much protein, and what kind runners should be eating.

With the arrival of a long-rumored drink, endurance athletes want to know

Hydration isn’t just for race day. The latest science shows that it not only makes you feel better and stronger today, but is key to a long and healthy life.

A sports-certified Registered Dietitian lays out how to fuel during a strength-focused training block (and no, you don't have to choke down a million protein shakes).

What’s the ultimate power food? In Nepal, it’s as simple as lentils.

How I broke my obsession with the delicious little packets and fueled with real food instead

Following one of these four diets could increase your life expectancy

You know it as a bone booster, but there are plenty of other reasons to make sure you are getting enough calcium. Here’s your primer on the essential nutrient.

Once vilified, foods containing high dietary fat are now being promoted as an important part of our daily diet

Top athletes—from Nordic skier Jessie Diggins to mountain runner Joseph Gray—share a meal-by-meal plan of what they eat on typical winter days.

Before you grab a colorful, flavorful sports drink to sip after your next workout, read this

The process is as easy as making a smoothie

Mood swings? Fatigue? Hungry all the time? Here’s how to know if you need to switch things up with your food decisions.

The supplement Athletic Greens/AG1 seems to be everywhere in the endurance market these days. Registered Dietitian Matthew Kadey takes a look at "greens powders" for athletes and whether they deliver on their mighty claims.

We all love a good sparkling water after a hot run. But are your favorite bubbly beverages hurting your bones?

Elite runners share the rules they stick to when it comes to fueling up before a race...including lessons learned the hard way.

Up next on "Ask The Dietician:" how should runners calculate their protein to maximize recovery and avoid gut issues?

A new study following ultrarunners attempted to answer an age old question: What causes GI problems in races? Here's the science.

Our bodies sometimes need help absorbing the nutrients in your food. These food pairings will help maximize nutritional benefit.

You might think you get adequate Vitamin D from the sun. But you may not, and deficiency of the nutrient can contribute to stress injuries.

Your GI system is unique to you, and it can be upset by many things. But carefully calibrating your pre-race breakfast can prevent mishaps.

A new breed of trackers aims to help you optimize performance through diet.

You plan every element of your pre- and mid-race fueling meticulously. But what about how to eat after you've crossed the finish line?

This convenience food can deliver more than just protein. Here's what to look for in your pre- and post-run bars.

We know we lose a lot of sweat when we run, especially the extreme distances of ultramarathons. So how should you strategize salt replacement?

A 2021 study gathered data on what nutrition runners consumed before and during a 24-hour ultra run. Quantity of carbohydrates leading up to the event and during the event both correlated with performance outcomes. What does that mean for long races? Keep the carbs coming.

Disordered eating is insidious in the running community. We want to talk about it openly to support healthy habits (and consistent running).

Spring is inching closer, and the gear we’re running in, podcasts we’re listening to, and recipes we’re making are reflecting that!

Eating right looks different for athletes, and following vague nutrition maxims can have a surprisingly negative impact

GI distress is a leading cause of DNF’s in trail races. Here’s how to dial in your race-day fuel routine to maximize success.

When I spent a month in Italy, I expected to find great food. What I didn't expect was for that food to be great running fuel, too.

Vitamin B12 can be a challenge to get enough of, especially if you're over 50, have digestive issues, or follow a vegan diet.

In The Performance Corner, our expert strength running coach shares five things you can do to build resilience and train injury free.

By planning the timing and amount of the fiber you eat, you can avoid discomfort and potential on-the-run mishaps.

We’ve all heard of carb loading. But how do you do it, and does it really work?

Keeping a good mix of carbs, proteins and fats on-hand and accessible will help make healthy nutrition a little easier.

These seven foods make a great addition to a balanced diet, sneaking in extra helpings of important nutrients.

We've all heard about that 30-minute window when we're "supposed" to eat after a run. But how important is that time frame really?

Take your health, fitness, and performance to the next level in 2022 with our comprehensive four-week plans.

A nutritionist looks at five superfood powders meant to best supercharge your food and take your nutrition and fitness gains to the next level.

Sore or heavy legs after a long run or workout? You might want to dial in your nutrition.

Eat (and drink) these items to up your carbohydrate intake and reap their endurance performance benefits.

Healthy eating has two components: healthy food and a healthy relationship with food. You need both to thrive.

Check out Kylee Van Horn RDN's author page.

Eating enough food can be a high stakes game for athletes, as undereating can lead to negative impacts on fundamental body processes.

We hear about antioxidants all the time. But what are they, and how important are they really for runners? Here's a crash course.

Check out Kylee Van Horn RDN's author page.

Check out Kylee Van Horn RDN's author page.

Check out Kylee Van Horn RDN's author page.

Check out Kylee Van Horn RDN's author page.

Check out Trail Runner magazine's author page.

Check out zoe hrom's author page.

Check out Kylee Van Horn RDN's author page.

Should athletes go against the grain?

Check out David Roche's author page.

Check out Andy Cochrane's author page.

Check out Trail Runner magazine's author page.

Check out Samuel Griffith's author page.

Check out Trail Runner magazine's author page.

Check out Samuel Griffith's author page.

Check out Jacky Thompson's author page.

Check out Trail Runner magazine's author page.

Check out Trail Runner magazine's author page.

Check out Trail Runner magazine's author page.

Is chia's superfood reputation warranted or a merely a myth from its ancient origins? One runner sought to find out.

Check out Trail Runner magazine's author page.

Check out Trail Runner magazine's author page.

Check out Trail Runner magazine's author page.

Check out Trail Runner magazine's author page.

Check out Trail Runner magazine's author page.

Check out Trail Runner magazine's author page.

Check out Trail Runner magazine's author page.

Check out Trail Runner magazine's author page.

Check out Trail Runner magazine's author page.

Check out Sarah Lavender Smith's author page.

Check out Trail Runner magazine's author page.