Science based research on over 300 nutritional supplements including vitamins, minerals, probiotics, amino acids and more. Includes convenient indexes listing the supplements in a variety of ways - Supplement Name Index; Indications Index; Side Effects Index; Supplement Category Index; Interactions Index; Supplement Manufacturer Index; and a Visual Identification Section. Each entry provides: Scientific and common name of each supplement; chemical and physical attributes, including chemical structure; indications and usage; complete review of the supplement's pharmacology including pharmacokinetics; research summary; precautions, adverse reactions and contraindications; interactions with other supplements, drugs, food, alcohol and herbs; dosage and administration; the most comprehensive literature citations.