Source Naturals, L Tryptophan, 500mg, 120 ct Coughs TriETA (pH adjuster)

TriETA (pH adjuster)

neurotransmitter activity

including ascorbyl palmitate

John's Wort Aerial Parts - 300 mg

intestinal lining

Source Naturals, L Tryptophan, 500mg, 120 ct Coughs TriETA (pH adjuster)The 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 cycles. 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