Source Naturals, L Tryptophan, 500mg Serene Science Label, 60 ct Black Cohosh The essential amino acid L-tryptophan

The essential amino acid L-tryptophan helps support relaxation

Chinese Yam Rhizome

Comfrey Root

Common Names: Great Mullein

Source Naturals, L Tryptophan, 500mg Serene Science Label, 60 ct Black Cohosh The essential amino acid L-tryptophanThe essential amino acid L tryptophan helps support relaxation, restful sleep, and positive mood. It plays a part in the synthesis of hormones involved with mood and stress response and sleep wake peroids. L Tryptophan also supports immune functions because it is the body's predecessor to the kynurenines that regulate immunity. If needed, L tryptophan converts to niacin in the body, which supports circulation, a healthy nervous system, the metabolism