Gymnast Muscle Soreness and Recovery: Creatine, Omega-3s and What Actually Works

Do gymnasts take creatine? Should yours? And what actually helps when she comes home sore from a brutal conditioning day?

Here’s the thing: the supplement industry makes billions off sore, tired athletes, and it promises a fix for every ache. Some of those supplements are backed by solid research. A lot of them aren’t. In this guide, I’ll walk you through creatine for gymnasts, plus omega-3s, tart cherry, bedtime protein, magnesium, collagen and more, with what the research says and my bottom line on each.

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

Food first: the “big rocks” come before any supplement

No supplement can make up for underfueling. Before you buy anything, make sure your gymnast has the big rocks in place:

• Enough total energy for her training AND her growth (how many calories does a gymnast need?)
• Enough carbohydrate and protein spread through the day
• Fuel before, during and after practice (what to eat before gymnastics practice)
• Hydration, sleep and real rest days

If she’s always sore, always tired or getting hurt a lot, underfueling is the first thing I’d look at, not a supplement. (Start with Top 4 Reasons Your Gymnast Is Always Tired.)

Only use third-party tested supplements

Supplements are NOT regulated by the FDA the way medications are. Look for products tested by an independent lab like NSF Certified for Sport, USP or ConsumerLab. Without that seal, you don’t really know what’s in the bottle, and a contaminated product can cost a college athlete her eligibility if it tests positive for a banned substance.

What causes muscle soreness in gymnasts?

Hard practices cause small amounts of muscle damage and inflammation. Researchers call this exercise-induced muscle damage, and the soreness that peaks a day or two later is delayed onset muscle soreness (DOMS). Some of it is normal. It’s part of how the body adapts and gets stronger.

The problem is when damage outpaces repair. If she isn’t eating, sleeping or resting enough to recover, soreness piles up into fatigue, stalled skills and a higher injury risk. That’s different from chronic inflammation (like autoimmune conditions) or an acute injury like a sprain or broken bone, even though some of the same inflammatory markers are involved.

The #1 fix for muscle soreness: fueling enough

The best thing we see for soreness in our practice isn’t a supplement. It’s adequate fueling. When a gymnast who’s been underfueling starts eating enough for her training and growth, she usually tells us she’s less sore, less tired and bouncing back faster between practices.

We call this closing the recovery gap. The recovery gap is the difference between what your gymnast’s body NEEDS and what she’s actually getting. Recovery keeps going for up to 48 hours after practice, and it doesn’t pause just because life gets busy. So every rushed breakfast, “I’m not hungry” lunch, water-only practice and “it’s too late to eat” night adds up, and so does the soreness. It’s not about being perfect. It’s about closing the recovery gap each and every day. Here’s what the research says about why it matters so much.

Her muscles can’t repair without enough energy. When an athlete doesn’t eat enough to cover her training, her body has to choose where that limited energy goes, and repair isn’t first in line. In one study, just 5 days of eating too little lowered muscle protein synthesis by 27%. That’s the process that rebuilds muscle after hard training. Less repair means more soreness that hangs around longer.

Underfueling, especially on carbs, ramps up inflammation. When elite athletes cut carbs for just 6 days, their bodies had a bigger inflammatory (IL-6), stress hormone (cortisol) and white blood cell response to the same hard workout (McKay et al. 2022). That same response raises hepcidin, a hormone that blocks iron absorption, which is one reason underfueled gymnasts so often end up with low iron. On the flip side, athletes who had carbs during 2.5 hours of hard exercise had a much smaller IL-6 spike (about 420% vs. 750%) and lower stress hormones than athletes who got a placebo. This is a big reason I want carbs before practice and, for long practices, during practice too.

Underfueling over time shows up as poor recovery. The 2023 International Olympic Committee consensus on REDs lists decreased training response, reduced muscle strength and higher injury risk among the performance effects of low energy availability. Low energy availability also suppresses immune function and disrupts hormones that drive repair and bone health.

So if your gymnast is constantly sore, start with her plate, not the supplement aisle. A tart cherry shot won’t undo a day of skipped snacks.

Creatine for gymnasts: should she take it?

Creatine monohydrate is one of the most researched supplements in sports nutrition. It helps muscles regenerate energy for short, explosive efforts, which describes pretty much every skill in gymnastics. Research shows it can improve power, strength and lean mass, and some studies show it may reduce muscle damage and inflammation after hard training, though results are mixed.

Your body makes about 1 gram of creatine a day, and a diet with meat and fish provides about another gram. Vegetarian and vegan athletes tend to have lower stores, so they may respond more to supplementing.

Do gymnasts take creatine?

Some do, mostly older, post-pubertal and college gymnasts. Creatine is legal and is not on the NCAA or WADA banned substance lists. There’s a lot of fear and misinformation around it, but creatine is NOT a steroid, and it doesn’t harm the kidneys in healthy athletes at recommended doses.

One thing gymnasts should know up front: creatine pulls water into the muscle, so the scale often goes up a pound or two in the first few weeks. That’s water, not fat. For a gymnast who’s anxious about her weight, that’s a conversation to have BEFORE she starts.

Is creatine safe for teen gymnasts?

The International Society of Sports Nutrition (ISSN) suggests these guidelines for young athletes, and I agree with them:

• She’s past puberty and in serious, competitive training that could benefit
• She’s eating a well-balanced, performance-focused diet
• She and her parents understand what creatine does and doesn’t do
• Her parents approve
• Her use is supervised by parents, coaches, trainers or her physician
• She uses a quality, third-party tested product
• She doesn’t go over recommended doses

How to take creatine

Research supports two approaches:

• Loading: 0.3 g/kg/day for 5-7 days, split into 3-4 doses to avoid stomach upset, then 3-5 g a day after that
• Steady dose: 3-5 g a day. This fills muscle stores more slowly (about 3-4 weeks) with no loading phase

Creatine monohydrate is the form to use. Other forms cost more and don’t have research showing they work better.

Bottom line: For young, high-level gymnasts, I wouldn’t jump to creatine until the big rocks are in place. Once she’s fueling well, sleeping and recovering, creatine can be an option for an older gymnast chasing that last 2-3%.

Omega-3s: an anti-inflammatory powerhouse

The omega-3 fats EPA and DHA can help blunt delayed onset muscle soreness after hard training. Food comes first: a 3-4 oz serving of salmon has about 1.2 grams of EPA and DHA. Most gymnasts don’t eat fatty fish twice a week, which is where a supplement can help.

Studies use about 1.8-3 g per day of combined EPA and DHA. When you read a label, check the EPA plus DHA, not just “total omega-3s.” A good product has most of its omega-3 content as EPA and DHA.

Bottom line: Aim for fatty fish twice a week. If that’s not happening, a third-party tested fish oil is one of the supplements I’m most comfortable with for gymnasts.

Tart cherry juice for soreness and recovery

Tart cherry juice is packed with polyphenols (the same family of plant compounds found in pomegranates and blueberries) that help calm inflammation and oxidative stress. A review of nutrition strategies for muscle soreness found tart cherry can help athletes hold on to muscle strength and feel less sore, though not every study agrees.

Studies typically use 30 mL (1 oz) of concentrate or 8-12 oz of juice. One study in female dancers, a population a lot like gymnasts, found that 30 mL of concentrate before and after training led to faster recovery and less soreness after an intense sprint protocol.

Juice vs. concentrate

Most young gymnasts don’t need 1-1.5 cups of juice twice a day. The concentrate gives you the same benefit in a much smaller serving, and it still has about 14-15 g of carbohydrate per ounce to count toward her pre- or post-workout fuel.

Bottom line: I’d go with 1 oz of tart cherry concentrate before and after hard practices. It’s sour, so it’s easiest mixed into a smoothie or diluted with another juice.

Should gymnasts eat protein before bed?

Adequate protein matters for repair, but studies haven’t consistently shown that extra protein reduces soreness. So there’s no need to push her far above her daily protein needs (around 1.5-1.7 g/kg) to fight soreness.

What CAN help is a protein-rich bedtime snack, especially dairy. Milk has two main proteins: whey, which digests quickly, and casein, which digests slowly. That slow-digesting casein gives her muscles a steady supply of amino acids overnight while her body repairs from the day.

Easy bedtime snacks with casein:

• A glass of milk with a few graham crackers
• Greek yogurt with granola or fruit
• Cottage cheese with fruit
• Chocolate milk after a late practice

Bottom line: She doesn’t need adult-sized protein shakes at night. A dairy-based snack before bed on hard training days is an easy way to support recovery.

Should gymnasts take magnesium for muscle soreness?

Magnesium is involved in hundreds of reactions in the body, including muscle contraction, blood sugar regulation and vitamin D metabolism. Athletes are more likely to come up short, from low intake and from losses in sweat and urine, and low magnesium status has been linked with tendon pain.

The research on soreness is promising but small. A 2020 study found 350 mg a day for 10 days significantly reduced muscle soreness after a bench press test.

Daily needs (RDA):

• Ages 9-13: 240 mg
• Girls 14-18: 360 mg
• Boys 14-18: 410 mg

Good food sources include spinach, almonds and other nuts, oats, brown rice, beans and milk. If she does supplement, magnesium citrate and glycinate are better absorbed than magnesium oxide. Citrate has a laxative effect, so more is NOT better.

Bottom line: Look at her diet first. Many supplements and multivitamins already contain magnesium, so add up what she’s getting before adding more.

Is collagen a recovery superpower?

Collagen got popular after research from Keith Baar’s lab at UC Davis showed that gelatin plus vitamin C taken before rehab exercise increased collagen synthesis, the building block of tendons and ligaments. In our practice, we use a collagen protocol with gymnasts recovering from injuries like ACL tears and ankle sprains.

For everyday soreness, the evidence is much thinner. And collagen is NOT a complete protein, so it can’t replace her regular protein foods or protein powder.

Bottom line: Collagen can be a useful tool for injury rehab. As a daily recovery supplement for a healthy gymnast, it probably won’t hurt (except your wallet), but it’s not the superpower it’s marketed as.

Does vitamin C help with recovery?

Vitamin C is needed to build collagen, which is why it’s paired with collagen in injury protocols. It also helps the body absorb plant-based iron. During my dietetics training at Duke, we used a wound-healing protocol with vitamin C, vitamin A, zinc and a multivitamin for major surgical wounds, so after a surgery, vitamin C makes sense.

For everyday soreness, there isn’t good evidence that high doses help. Very few athletes are deficient unless they’re on a restrictive diet. The RDA is 45 mg for ages 9-13 and 65-75 mg for teens 14-18. One orange (about 70 mg) or a cup of strawberries (about 85 mg) covers it.

Bottom line: Food first. I’d add vitamin C for injury rehab with collagen, but she doesn’t need megadoses for soreness.

What about curcumin (turmeric)?

Curcumin, the active compound in turmeric, has anti-inflammatory effects and may reduce muscle damage and soreness. The catch is that it’s poorly absorbed. Supplements pair it with black pepper extract (piperine) or a fat-based formula to improve absorption. Doses in studies range widely, but 1,000-1,500 mg a day seems to be where benefits for soreness show up. Low doses don’t seem to help.

A few cautions: curcumin can increase bleeding risk with blood thinners and interact with other medications, so check with her pharmacist first. And ground turmeric has had problems with lead contamination, so third-party testing matters here.

Bottom line: Curcumin is a later-stage option, after the big rocks are in place and her vitamin D, iron and magnesium status have been checked. Adding turmeric to meals won’t hurt, but it won’t get close to a research dose.

Pomegranate and beetroot juice

Pomegranate juice is rich in polyphenols and shows some promise for reducing muscle damage, with studies using 8-16 oz of juice or 1 oz of concentrate. Beetroot juice provides nitrates that may improve blood flow, but the soreness benefits so far are small and mostly self-reported.

Bottom line: These won’t hurt if she likes them, but I’d try omega-3s or tart cherry first.

Don’t forget vitamin D

Vitamin D supports bone health and helps regulate inflammation. There’s no clear evidence that it reduces soreness directly, but low vitamin D is common in gymnasts who train indoors, and it matters a LOT for bone health.

This is a “test, don’t guess” situation. A 25-OH vitamin D level under 30 ng/mL is insufficient, and under 20 ng/mL is deficient. Both should be treated and rechecked in 6-8 weeks. Athletes often need 1,000-4,000 IU of vitamin D3 a day to get above 30 ng/mL, but her dose should be based on her labs.

Frequently asked questions

How to help your gymnast recover

When a gymnast is always sore, I start with two questions. First, where can food do the work (fatty fish for omega-3s, leafy greens and nuts for magnesium, dairy before bed)? Second, what does THIS athlete actually need on top of a well-fueled diet? More is not better with supplements, and adding things blindly can throw off her balance of vitamins and minerals.

Not sure if your gymnast is closing her recovery gap? Take our free Underfueled Gymnast Check. 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 build her plan around HER: her training load, her recovery, her growth and the foods she actually likes, so she can close the recovery gap each and every day.