SWANSON L-Tryptophan, 500mg - 60 caps
Looking for effective sleep support? Swanson L-Tryptophan contains 500 mg of L-Tryptophan per capsule to help support healthy serotonin levels and promote restful sleep. L-Tryptophan, an essential amino acid, must be obtained from food or supplements. Extensive batch testing has shown no Peak E in this product.