Congrats John Kempler - back on top the podium at 64! | Alivebynature - Evidence Based Reviews
John has been taking our NMN for 8 months now, but only switched to the more effective Sublingual version (Tablets and Powder) a few weeks ago. John says he is feeling better and stronger than ever, and is happy to see his resting heart rate down to 50, while his max rate is 181 bpm [...]