Source Naturals, L Tryptophan powder, 100 GM Algae Do not take more than

Do not take more than 5 tablets daily unless recommended by your physician

designed to help support the immune system

ethylcellulose

Head colds: apply around nostrils

Source Naturals, L Tryptophan powder, 100 GM Algae Do not take more thanThe 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