Aging & Longevity, NAD+, Neurological, NR, ResearchClinical Trial Fails to Find Significant Benefit of NR in Adults with MCI Posted on November 28, 2023March 4, 2025 by Rebecca Crews This study showed that NR (1 g/day) for 10 weeks is safe in adults with MCI and effectively increased blood levels of NAD+. Continue reading →