Source Naturals L-Tryptophan 90 Caps

Source Naturals L-Tryptophan promotes healthy mood, relaxation and sleep. This essential amino acid plays a part in the synthesis of both melatonin and serotonin, hormones involved with mood and stress response and sleep cycles.

Source Naturals - L-Tryptophan - 500 mg - 90 Capsules Source Naturals L-Tryptophan helps support relaxation, restful sleep, and positive mood. It plays a part in the synthesis of both melatonin and serotonin, hormones involved with mood and stress response and sleep/wake cycles. L-Tryptophan also supports immune functions because it is the body's precursor to the kynurenines that regulate immunity. If needed, L-tryptophan converts to niacin in the body, which supports circulation, a