30
Participants
Start Date
March 27, 2025
Primary Completion Date
December 31, 2026
Study Completion Date
June 30, 2027
Nicotinamide Riboside
Participants will consume 1,000 mg of nicotinamide riboside (NR) upon waking and with an evening meal, and complete a daily supplementation log to assist with compliance monitoring. NR is a naturally occurring vitamin B3 derivative readily taken up by cells as a direct NAD+ precursor. Similar NR supplementation protocols are well-tolerated, boost NAD+ concentrations by \~100-140% achieving a steady state within 1-2 weeks, and increase SIRT activity in humans.
Placebo
Participants will consume 1,000 mg of placebo (microcrystalline cellulose) upon waking and with an evening meal, and complete a daily supplementation log to assist with compliance monitoring.
RECRUITING
Integrative Laboratory of Applied Physiology and Lifestyle Medicine, Iowa City
Nathaniel Jenkins
OTHER