Dietary Supplement Contains no artificial colors, preservatives, or sweeteners; no starch, sugar, wheat, gluten, yeast, soy, egg, fish, shellfish, salt, tree nuts, or GMOs. Suitable for vegetarians. Isura: Non-GMO. Mass spec. Documentation. Lab tested. Resets sleep-wake cycle. Isura. Mass spec. Documentation. Lab tested. Melatonin can help provide a more restful and natural sleep with refreshed awaking. Purity & potency guaranteed. Manufactured by Natural Factors to ensure safety and potency in accordance with Good Manufacturing Practices (GMP) of the FDA and Health Canada. Recyclable container and label. Recyclable container and label. (This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.)