Dietary Supplement3rd Party Lab Tested In The USA GMP Certified Heavy Metal TestedUthever® - Youth Forever - To Be World's Best NMNHelps combat aging, improves heart health and promotes muscle strengthNMN supplementation has been found to improve various parameters of health, including physical endurance and muscle strength, neurological function, heart health, body weight and gene expression.Nicotinamide mononucleotide (NMN) is a derivative of the B-vitamin niacin that dramatically improves health and longevity by serving as a precursor to NAD+.NMN Pro Powder allows NMN to be absorbed directly into the blood vessels in the mouth and under the tongue, which increases the product's bioavailability. In this way, NMN avoids digestion in the gastrointestinal tract and can be more rapidly delivered into the bloodstream.