- Product Name: 5-htp
- Product Origin: China
plant original: griffonia simplicifolia
specification:5-htp 99% test by hplc
specific optical rotation:-30�? -35�/p>
5-htp (the common name for the compound 5-hydroxytryptophan) is a derivative of the amino acid tryptophan. acting in a mood-enhancing manner, 5-htp has attracted a good deal of attention lately because of its apparent ability to increase pain tolerance, induce sleep, and affect how hunger is perceived. unlike many other supplements (and drugs) that have molecules too large to pass from the bloodstream into the brain, molecules of 5-htp are small enough to do so. once in the brain, they are converted into a neurotransmitter called serotonin. in 1994, 5-htp was introduced in the u.s.