ProHealth Uthever NMN is the ONLY NMN CLINICALLY PROVEN TO BOOST NAD+ LEVELS IN HUMANS. In a peer reviewed, double blind placebo controlled clinical study NAD+ decline was reversed by an average of 15 years. That’s 49% more NAD+ in 60 days. Higher NAD+ levels are associated with more energy, feeling younger, less genetic damage, heart health, and SIRTUIN activation- longevity genes that are key for living better longer. Also, study participants’ quality-of-life test scores improved by 6.5%. ProHealth is the most trusted longevity supplement brand on the market, celebrating 33 YEARS with a BBB A+ RATING. Other brands may be cheaper, but do you trust that they actual contain any NMN? PUREST, HIGHEST QUALITY, PHARMACEUTICAL GRADE NMN IN THE WORLD. Every batch is 3rd party tested in a US lab to be at least 99.5% pure, and independent lab tests prove that our NMN products contain at least the number of grams of NMN per serving listed on the label. All 3rd party lab Certificates of Analysis are publicly posted. Our NMN is non-GMO, gluten free, and always manufactured in a FDA registered, GMP certified facility in the USA.