title: Megavitamins: fact and fancy.
mesh_terms: D000818:Animals; D006801:Humans; D001523:Mental Disorders / Q000188:drug therapy; D009369:Neoplasms / Q000517:prevention & control; D009974:Orthomolecular Therapy / Q000009:adverse effects*; D014815:Vitamins / Q000145:classification / Q000627:therapeutic use / Q000633:toxicity
chemical_list: D014815:Vitamins