Free shipping on U.S. orders over $39 U.S. Delivery Estimate: 3-5 days 45 Day Return Policy
Doctor’s Best L-Tryptophan with TryptoPure® an essential amino acid that promotes normal, restful sleep and healthy mood & behavior.
Contains L-tryptophan from TryptoPure®, a highly purified, pharmaceutical-grade L-tryptophan.
L-tryptophan is a biochemical precursor for serotonin, which is the main source of the body’s major sleep hormone melatonin.
Gluten Free, Non-GMO, Vegetarian, Vegan
Take 1 capsule daily‚ or as recommended by a nutritionally informed physician. For optimum absorption‚ take separately from protein-containing foods and dietary supplements containing protein or amino acids.