Source Naturals L-Tryptophan 500 mg 60 Caps

The essential amino acid L-tryptophan helps support relaxation, restful sleep, and feeling better. It plays a part in the synthesis of both melatonin and serotonin, hormones involved with mood and stress response. Source Naturals L-TRYPTOPHAN is extremely pure and is regularly tested to ensure the highest standards of quality. Contains no yeast, dairy, egg, gluten, corn, soy or wheat. Contains no sugar, starch, salt, preservatives or artificial color, flavor or fragrance.

Mood, relaxation & sleep Supports immune functions 500 mg per capsule Gluten Free, Non-GMO