Bests & Worsts Reviews from Amazon

WARNING!!! GOOGLE NIAGEN AND CANCER!!!! My son had cancer and is an attorney. He felt he was having some brain fog from chemo and I'd been taking this and strongly recommended it without knowing this insanely dangerous likely "side effect". I'm APPALLED and horrified. He took few months and then researched after friend told him. I'm devastated. Should be illegal! The below title from Scientific American. You likely don't know if you have cancer and are greatly increasing its spread. Horrifying. Enraged. And Tru "mentions' it lightly at end of information!!! We both returned and never again. Come ON FDA! DO YOUR JOB! SCIENTIFIC AMERICAN: Cancer Research Points to Key Unknowns about Popular “Antiaging” Supplements The health promises of boosting an important metabolic molecule may be clouded by its possible role in promoting cancer-cell growth