In October 2020 the Klein Lab at Washington University School of Medicine initiated a study entitled Effect of NMN Supplementation on Organ System Biology (VAN) (clinical trial NCT04571008). This study is complementary to clinical trial NCT03151239, with similar measures of muscle insulin sensitivity. However, this study uses a 300mg daily dosage over a more extended period (16 weeks)., Expected completion date September 2024Â