title: How natural are those "natural" vitamins?
mesh_terms: D001205:Ascorbic Acid; D004033:Diet Fads; D004345:Drug Industry; D004348:Drug Labeling; D014803:Vitamin B Complex; D014810:Vitamin E; D014815:Vitamins
chemical_list: D014815:Vitamins; D014803:Vitamin B Complex; D014810:Vitamin E; D001205:Ascorbic Acid