The film answers questions about vitamins and the use of dietary vitamin supplements. These include diets, probiotics, fish oil and other herbal and nutritional supplements. Numerous pharmaceutical preparations of magnesium and dietary supplements are available. They are used in many dietary probiotic supplements. Selenium is an ingredient in many multivitamins and other dietary supplements, including infant formula. Changes to diet and nutritional supplements may help some people. Iron supplements and vitamin C may be recommended. EGCG is used in many dietary supplements. He was criticized for promoting dubious claims about vitamins supplements. Bacteria are important in the production of many dietary supplements and pharmaceuticals. Emu fat is rendered to produce oil for cosmetics, dietary supplements, and therapeutic products. He supplements his diet with protein powders. However, prepared foods, dietary supplements, and soft drinks remain taxable. Treatment is with a diet low in foods that contain phenylalanine and special supplements. Treatment is with vitamin C supplements taken by mouth.