Food supplement usage by adolescent males.
D000293:Adolescent; D001294:Attitude to Health; D004044:Dietary Proteins / Q000008:administration & dosage; D005247:Feeding Behavior; D005527:Food, Fortified / Q000009:adverse effects; D006801:Humans; D008297:Male; D009505:Nevada; D009751:Nutritional Requirements; D012959:Socioeconomic Factors; D014815:Vitamins / Q000008:administration & dosage*
D004044:Dietary Proteins; D014815:Vitamins