Food Rules for Gymnasts: Why They Backfire (and the Truth Behind Them)

Egg whites only. No sports drinks. No carbs after dinner. Gymnasts hear SO many food rules, and most of them are too good to be true.

Here’s the thing: when a gymnast collects a bunch of food rules, food starts to feel scary. She gets anxious when the rules can’t be followed, like at a team dinner, on a road trip or at a meet. And the rules usually take away the very fuel she needs.

Let’s talk about where these rules come from, why they backfire, and the truth behind some of the most common ones.

By Christina Anderson MS, RDN, CSP, CSSD · Updated October 2026

Why food rules for gymnasts backfire

Nutrition always has to be viewed in CONTEXT: what else she’s eating, her energy needs, how much she trains and her goals. Food rules ignore context. They take one piece of information and turn it into “always” or “never.”

I know this firsthand. I was the young gymnast who googled best diet for athletes to get lean and read that I should only eat egg whites. I took it as complete truth and refused to eat what my mom made if it had the whole yolk. At the same time, my food sneaking and binging got worse, because an egg-white omelet left me mentally unsatisfied while everyone else enjoyed whole eggs with cheese. I was also the athlete who was afraid of drinking water or eating foods with “too much” sodium because I didn’t want to be “bloated.”

That’s what food rules do. They make gymnasts more self-conscious about their bodies, and many struggle with food for YEARS after they retire. For some, bad information shortens their careers through poor performance, inadequate fueling and more injuries. (More in What Does Food Freedom Look Like for the High-Level Gymnast?)

Food rule #1: “Egg yolks are bad”

The truth: the yolk is the part of the egg with the most fat, yet it only has about 5 g of fat. For context, a tablespoon of peanut or almond butter has about 8 g of fat, and half an avocado has about 15 g. Even 2-3 whole eggs at a meal is about the same as (or less than) what most of my athletes add to their meals with nut butter or avocado.

Egg yolks are also rich in choline, a nutrient that’s important for brain development and hard to get from other foods. Whole eggs are a great source of protein for gymnasts too. (More in How Much Protein Does a Gymnast Need?)

Food rule #2: “Sports drinks are not for gymnasts”

The truth: Gatorade is an electrolyte drink that’s about 6% carbohydrate. It was developed at the University of Florida (the Gators) after researchers found the body absorbs water better when it comes with salt and sugar (glucose). That has to do with how the intestines absorb water using sodium-glucose cotransporters.

Still, you’ll hear that gymnasts should drink “water only” because they “don’t really sweat,” that sodium makes the body hold water, or that sports drinks have way too much sugar.

Let’s look at the facts. A 20 oz bottle of Gatorade has 34 g of sugar (glucose and fructose) and 270 mg of sodium. A 12 oz serving has about 20 g of carbs.

Gymnasts do need carbs during long practices

During exercise, the body can use about 30-60 g of carbohydrate per hour. Gymnastics is a start-and-stop sport, so most gymnasts don’t need the top of that range, but long practices still burn through a lot of fuel. For practices 3.5 hours or longer, I have gymnasts start intra-workout carbs about 2 hours in, and practices of 4+ hours always need them. 12-20 oz of a sports drink works well. Elite gymnasts in very hard sessions in hot, humid gyms may need even more.

A study in gymnasts found that those who drank a sugar-containing sports drink had better concentration and fewer falls during a tough beam workout. It’s just one study, but carbohydrate is a cheap, LEGAL, performance-enhancing tool that gymnasts miss out on when they’re scared of sports drinks.

You can use other carbs during practice too, like fruit or pretzels, but sports drinks also replace sodium and other electrolytes to help her rehydrate and refuel. She doesn’t have to drink the whole bottle. Even a 50/50 diluted sports drink during practice can help. There’s a big difference between a child who exercises less than an hour a day sipping Gatorade all day because it tastes good, and a gymnast training 3+ hours a day who needs carbs and electrolytes during hard workouts. (More in Do Gymnasts Need Sports Drink? and Top 3 Mistakes With Intra-Workout Nutrition)

What about sodium?

Water retention after a salty meal, like Chinese takeout, is normal. Drink water, and the body does a great job balancing fluid on its own. Unless her doctor has told her to limit sodium for a medical reason, a high-level athlete doesn’t need to stress about it.

Teens need about 1-2 mEq of sodium per kilogram of body weight per day, which is 23-46 mg per kilogram. For a 45 kg (100 lb) gymnast, that’s about 1,000-2,000 mg of sodium a day for normal fluid and electrolyte balance. That doesn’t include sodium lost in sweat, which can be roughly 200-1,000 mg per pound of sweat. So the 270 mg in a bottle of Gatorade is a moderate amount.

How do I know this? Fluid and electrolyte management is a big part of my background in pediatric nutrition support. When a child is in the hospital and needs tube feedings or IV nutrition, I’ve been part of the team that “designs” the mix of electrolytes, glucose, fats and amino acids that keeps them alive.

(More in Gymnast Hydration.)

Other food rules gymnasts hear (and the truth)

• “Carbs are bad.” Carbs are a gymnast’s main fuel for high-intensity training. (See Are Carbs Bad for Gymnasts?)
• “No eating after 8 PM.” Food doesn’t gain calories at 8:00 PM. A gymnast eating dinner at 9:30 PM after a late practice is recovering. (See Gymnast Recovery Nutrition)
• “No junk food, ever.” Fun foods can fit in a gymnast’s diet. (See Can Gymnasts Eat Junk Food?)

For more, see Top 10 Gymnastics Nutrition Myths.

The bottom line on food rules for gymnasts

Sweeping, black-and-white nutrition claims are really damaging. They spread misinformation and lead gymnasts to struggle with food and their bodies long after they leave the sport. If you hear a broad nutrition rule like these, put your thinking cap on or ask an expert. It’s likely too good to be true.

If your gymnast has a growing list of food rules, is afraid of certain foods or is eating less and less, take it seriously. (See 8 Warning Signs Your Gymnast Is Struggling With Disordered Eating.)

Frequently asked questions

Get help with your gymnast’s food rules

If food rules are getting in the way of your gymnast’s fueling, you don’t have to sort it out alone. Start with our free masterclass or take the free Gymnast Fueling Quiz. And if you want more than a generic meal plan, The Balanced Gymnast® Program is our 1:1 program, built by a former gymnast, nationally rated NCAA/USAG judge and pediatric sports dietitian who lives and breathes this sport. We help her drop the rules and build a plan around HER training and the foods she actually likes, so she can close the recovery gap each and every day.