5-HTP: The Natural Way to Overcome Depression, Obesity, and Insomnia by Michael Murray provides the most in-depth and clinically sound information yet available on this remarkable new amino acid supplement, which offers a safe, natural, less expensive alternative to prescription medications. his is a powerful key to overcoming depression, obesity, insomnia, migraine headaches, PMS, fibromyalgia -- and other serotonin-related disorders.