Dietary Supplement. Promotes Restful Sleep*. Soothing Herbs for Rest & Sleep. Promotes Gentle & Safe Experience of Deep, Satisfying Sleep*. Naturally Gluten Free. New Chapter s Supercritical Herbal Extracts "Supercritical" means Super Purity, Super Potency, Broad Spectrum, & No Chemical Solvents. We take nature s finest herbs & then extract & highly concentrate their precious ingredients. We do no isolate out single ingredients or spike our extracts with synthesized additives. We deliver the wisdom of nature with the complexity & organic nuanc.