NOW Foods, L-Tryptophan, 500 mg, 120 Vegetarian Capsules

NOW Foods L-Tryptophan provides 500 mg of L-tryptophan per vegetarian capsule. Tryptophan is an essential amino acid that the body cannot produce and must obtain from diet or supplements. It serves as a precursor to serotonin, a neurotransmitter involved in mood regulation, and melatonin, which helps regulate sleep-wake cycles. This supplement comes in 120 vegetarian capsules. Tryptophan is naturally found in protein-rich foods like turkey, chicken, eggs, and dairy products.