NOW Foods L-Tryptophan Powder, 2 oz (57 g)

NOW Foods L-Tryptophan Powder is a free-form amino acid supplement designed to support relaxation and restful sleep, according to the manufacturer. It provides 950 mg of L-tryptophan per serving, an essential amino acid that the body cannot produce on its own and must obtain from the diet.

This powder is notable for its purity and testing protocols; every lot is tested to be free of Peak E and microbial contamination. The product is offered in a 2 oz container with approximately 57 servings, and it is also available in capsule and tablet forms from the same brand. Certifications include Kosher (Triangle K), Non-GMO, and Intertek GMP Supplement Certification, with the manufacturer noting it is vegan, vegetarian, and free from common allergens like gluten, soy, and dairy.