The most authoritative and comprehensive guide to realizing the amazing health benefits of 5-HTP Written by one of America's leading naturopathic doctors, explains how this natural amino acid can safely and effectively regulate low serotonin levels, which have been linked to depression, obesity, insomnia, migraines, and anxiety. 5-HTP is also a powerful antioxidant that can protect the body from free-radical damage, reducing the risk of serious illnesses such as cancer. 5-HTP has already helped thousands, and Dr. Murray, citing extensive scientific studies and case histories, shows how this groundbreaking supplement can help you.