What is Tryptophan and How Does it Help Me Sleep?
Tryptophan is a sleep-inducing amino acid that is found in most protein foods -- although, in small amounts. It is, in fact, a precursor to serotonin [the happy chemical] and melatonin [a popular sleep hormone]. Tryptophan can be converted into a molecule called 5-HTP [5-hydroxytryptophan], which is used to make...