Tryptophan
California Natural L-tryptophan 500 mg 30 Capsules
Tryptophan is an essential Amino Acid. It is a precursor for serotonin (which aids sleep and anxiety), and helps in niacin (B vitamins) production. Foods that are considered sources of tryptophan are dairy products, beef, poultry, barley, brown rice, fish, soybeans, and peanuts.
Country Life's Biochem 5-HTP Tryptophan 50mg 50Caps
Country Life® 5-HTP Tryptophan 50 mg (#1650)(5-Hydroxytryptophan) 50 Caps
Doctor's Best's L-Tryptophan Enhanced with Vitamin B6 & Niacinamide, 90 VCaps
Best L-Tryptophan products contain Ajinomoto TryptoPure™. Tryptophan is an essential amino acid readily converted by the body to the neurotransmitter serotonin.