title: Megadose vitamin supplementation and immunological function in the elderly.
mesh_terms: D000367:Age Factors; D000368:Aged; D000818:Animals; D002648:Child; D004305:Dose-Response Relationship, Drug; D006801:Humans; D007109:Immunity / Q000187:drug effects*; D009751:Nutritional Requirements; D009974:Orthomolecular Therapy / Q000009:adverse effects / Q000592:standards*; D015032:Zinc / Q000494:pharmacology
chemical_list: D015032:Zinc