Pre-workout supplements are aggressively marketed to youth athletes through social media, influencer partnerships, and team-store displays. The American Academy of Pediatrics (AAP) position is clear: pre-workout supplements are not appropriate for children or adolescents.

Most parents have not read the AAP statement. Many kids on competitive teams use pre-workout products. The case for not using them is direct.

This piece is the framework.

What pre-workout supplements actually contain.

A typical commercial pre-workout product contains:

Caffeine, 150 to 400 milligrams per scoop. (AAP recommends adolescents limit caffeine to under 100 milligrams per day total.)

Beta-alanine. Causes the “tingling” feeling. Modest evidence for performance benefit in short high-intensity efforts.

Citrulline malate. Nitric oxide precursor. Modest evidence for performance benefit in some studies.

Creatine, in some products. The creatine question is covered in its own piece.

Other stimulants. Yohimbine, synephrine, methylhexanamine, ephedrine derivatives in some products. Some of these have been associated with cardiovascular events and are banned by anti-doping authorities.

Artificial sweeteners and flavors. Generally low-risk but worth knowing for kids with food sensitivities.

The stack of stimulants is the load-bearing risk. Caffeine plus other stimulants produces cardiovascular effects beyond what either alone would produce.

The published harms in youth.

Cardiac events. Adolescent cardiac events linked to pre-workout supplements are documented in the medical literature. Most are non-fatal but include hospitalizations for tachycardia, arrhythmia, hypertensive episodes, and chest pain. A small number of fatalities are documented.

Sleep disruption. High-dose caffeine intake in adolescents disrupts sleep, particularly when consumed in the afternoon or evening. Adolescents need 8 to 10 hours of sleep per night; pre-workout supplementation reduces sleep quantity and quality.

Anxiety and panic. Adolescents are more sensitive to caffeine’s anxiety effects than adults. Pre-workout consumption correlates with increased panic-attack incidence in published studies.

Performance “boost” that does not last. The acute stimulant effect lasts 1 to 3 hours. Habitual users develop tolerance and require higher doses for the same effect.

GI upset. Beta-alanine and high-dose caffeine produce nausea, jitters, and GI symptoms in many users.

Dependence and rebound fatigue. Athletes who use pre-workout regularly often report severe fatigue on days they skip the supplement, leading to escalating use.

The contamination problem.

USADA’s Supplement 411 program documents repeated contamination findings in pre-workout products. Common issues:

Undisclosed stimulants beyond what is on the label.

Banned substances appearing in products that should not contain them.

Higher caffeine doses than labeled.

Heavy metal contamination.

For competitive athletes (NCAA, Olympic-track), this matters legally. Athletes have tested positive for banned substances after using pre-workout products with undisclosed ingredients.

For all youth athletes, the contamination risk is a health risk beyond what is labeled.

Third-party certification (NSF Certified for Sport, Informed Sport, USP Verified) addresses contamination. The vast majority of pre-workout products on the market are not certified.

The “but everyone uses it” argument.

Surveys of high school athletes show pre-workout use ranges from 10 to 30 percent in some populations. The framing “everyone takes it” is exaggeration.

The kids who do use it are exposed to documented risks. The kids who do not are not at any competitive disadvantage if their training, sleep, and nutrition fundamentals are in place.

What actually produces performance gains in youth athletes.

The published evidence is consistent. The interventions that produce measurable performance improvements:

Adequate sleep (8 to 10 hours per night).

Adequate caloric intake.

Adequate protein at meals.

Structured training with progression.

Proper hydration.

Pre-game routine including warm-up.

None of these involve pre-workout supplements. All produce more durable performance improvements.

The team and program policy.

Most NCAA-aligned high school programs prohibit pre-workout use. Most rec and club programs are silent.

A team policy worth writing down:

“Pre-workout supplements are not permitted at team practices or games. Athletes who use them outside of team activities should know that contamination is a documented risk, and that AAP-aligned medical guidance is against use for kids.”

Coaches who model healthy behavior (no pre-workout themselves, water before practice instead of energy drinks) reinforce the policy.

For coaches who notice usage.

The conversation is direct without being punitive: “The AAP says this is not appropriate for your age. Here is why. Here is what you can have instead [adequate sleep, real pre-game food, hydration].”

For chronic use, communication with families. The parents may not realize what the kid is taking.

For competitive athletes being recruited, the additional contamination risk is part of the conversation.

For parents who find pre-workout supplements at home.

The conversation is not about confrontation. It is about information and alternatives.

“The AAP recommends against these for kids your age. Here is what they actually do, here is the risk, here is what works better. Let’s set this up the right way.”

For kids who feel they “need” the supplement to perform, the underlying issue is often sleep, nutrition, or training. Address those.

For older teens transitioning to college.

At 18 or 19, the conversation shifts. Adult-aged athletes have more latitude. But the contamination risk does not change with age. Third-party certification is the minimum standard for any supplement use.

The honest read. Pre-workout supplements are aggressively marketed to youth athletes and the AAP position is consistently against their use for kids. The performance benefits are modest; the cardiovascular, sleep, anxiety, and contamination risks are real and documented. The kids who skip pre-workout and focus on the fundamentals perform as well or better long-term.

For the family of a youth athlete who has been using pre-workout, the conversation about why to stop is reasonable. For the family considering whether to allow it: no, per AAP, and the case is clear.