Most teens don't need supplements
A varied diet usually meets a teenager's nutrient needs, and NCCIH notes that supplements account for many emergency-room visits, a meaningful share involving young people — so 'more' is not better, and a pediatrician should weigh in [1].
Where a supplement may genuinely help
- Iron: some menstruating teens, and teen athletes, are prone to low iron; confirm with testing rather than guessing [2].
- Vitamin D: depending on sun exposure and diet, a supplement may help [3].
- Omega-3s and B12: relevant for limited-fish or vegetarian/vegan diets.
- Calcium and vitamin D support the bone-building that peaks in adolescence — food-first.
- A basic multivitamin can be reasonable insurance for picky eaters, at age-appropriate doses.
What teens should avoid
- Pre-workouts and 'energy' products with stacked stimulants.
- Weight-loss and 'fat burner' products — often adulterated and inappropriate for growing teens.
- 'Testosterone boosters' and bodybuilding products — can be spiked with hidden drugs.
- High-dose anything — teens don't need megadoses.
A note on disordered eating
Weight and 'detox' supplements can feed unhealthy patterns; a sudden interest in them is worth a gentle conversation.
Practical guidance
Food first; use supplements only for an identified need (test for iron); choose age-appropriate doses; avoid pre-workouts, fat burners, and 'test boosters'; store supplements safely; and let a pediatrician guide decisions, especially for teen athletes in tested sports.
