Should Teenagers Take Creatine? An Honest Guide for South African Parents

Your 16-year-old wants creatine because half the U16 rugby team is already on it, and you're stuck wondering whether it's safe, useful, or a problem. It's one of the most common questions we get from parents, and the honest answer isn't a simple yes or no. Here's what creatine actually does, what the research really says about teenagers, where the medical bodies disagree, and the food-first approach we'd point any young athlete to first.

What Is Creatine and What Does It Actually Do?

Creatine is a compound your body already makes and stores in your muscles, where it helps produce quick bursts of energy for short, hard efforts like a sprint, a scrum or a set of squats. You also get it from red meat and fish. Supplementing raises the amount stored in your muscles, which can improve high-intensity performance and recovery between efforts. That's the whole mechanism, and it's why creatine is one of the most-studied supplements in adults.

For grown athletes the evidence is strong and the safety record is good. The question every parent actually cares about is different: does that adult evidence carry over to a still-growing teenager? That's where it gets less clear-cut, and where the marketing tends to race ahead of the science.

Is Creatine Safe for Teenagers?

The honest answer is that the research on creatine in under-18s is limited, and the major medical bodies don't fully agree. The American Academy of Pediatrics has long discouraged creatine use in adolescents, not because it's been shown to be dangerous, but because there isn't enough long-term safety data in growing bodies to give it the all-clear. That's a cautious position, and for a parent it's a sensible default.

On the other side, the International Society of Sports Nutrition takes a more permissive view, concluding that creatine can be appropriate for older adolescents, broadly 16 and up, who are in serious supervised training, eating a solid diet, and using it under proper guidance. Notice the conditions attached. This isn't a green light for a 13-year-old to scoop powder from a tub in the garage. Both positions agree on one thing: it should never be a casual, unsupervised choice for a young teen.

There's one practical point worth flagging for any teen who does end up on creatine: it pulls water into the muscles, so it raises the body's fluid needs and the risk of dehydration along with it. That matters more in young athletes than in grown ones, because most teens already don't drink enough on a hot SA training day. If your teenager is taking creatine, their water intake has to go up to match, and on long or sweaty sessions water alone isn't enough, they need electrolytes too. Under-hydrate on creatine and you turn a marginal supplement into a real problem.

Does My Teenager Actually Need Creatine?

For the vast majority of teenagers, the answer is no, because the basics will do far more for their performance than any supplement. Most young athletes are under-fuelling, under-sleeping and under-recovering long before creatine would ever move the needle. A teenager eating enough food, sleeping nine hours and training consistently will improve faster than one chasing a supplement edge on four hours of sleep and a skipped breakfast.

South African school sport makes this worse, not better. Our kids often do an 8am-to-4pm school day followed by two hours of training, and many simply aren't eating enough to cover it. We started Run Baby Run after our own children began fainting at school from exactly this kind of under-fuelling. Fix the food and the rest first. That's not the exciting answer, but it's the true one.

What Does the Research Say About Creatine and Young Athletes?

The research that does exist on adolescents is reassuring on short-term safety but thin on the long term, which is exactly why caution makes sense. Reviews of creatine in active youth have found no clear evidence of harm in the studies done so far, but those studies are short and small. There's no good long-term data following teenagers who supplement for years through their growing phase, and that gap is the whole reason the paediatric position stays conservative.

It's also worth being clear about what creatine can't do. It won't build skill, it won't fix poor training, and it won't make up for a teenager who isn't eating. The South African supplement culture around school rugby in particular can make creatine sound like a rite of passage. A study of U16 national-level rugby players in South Africa found that 54% believed it was fine to take creatine at their age, and that these young players combined an enthusiastic attitude to supplements with limited nutritional knowledge. That gap between confidence and understanding is exactly the problem. Creatine isn't a rite of passage. It's a marginal tool that sits a long way down the priority list for a 16-year-old.

What Should Young South African Athletes Focus On Instead?

Young athletes should focus on real food, proper hydration, sleep and consistent training, because those four things drive almost all the progress a teenager will ever make. Get enough protein across the day from normal meals, eat enough total food to cover school plus sport, and treat recovery as part of training rather than an afterthought. None of that comes in a tub.

Hydration is the one most young athletes get wrong on hot SA training days, and it's an easy fix, and it matters even more if a teen is on creatine, which raises their fluid needs by pulling water into the muscles. On long or sweaty sessions water alone won't cut it, they need electrolytes to replace what they sweat out. For active kids we point parents to Kokee Rookee hydration pouches, made specifically for junior athletes, and after a hard session a recovery drink like the Tailwind Recovery Mix helps refill the tank with carbs and protein. If you want the full picture on fuelling a growing athlete, our guide to sports nutrition for kids walks through what active children actually need. Sort those foundations, and the creatine question mostly answers itself.

We hand-select every product we stock for active families because we've tested it on our own kids. If you're putting together a sensible nutrition base for a young athlete, our active family essentials is the place we'd start, long before anyone reaches for creatine.