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NAD+ precursor trials in humans.

1 report so far. New developments are added to this thread as they happen.

  1. Sep 25, 2026
    24-WEEK NMN TRIAL MISSES HEARING ENDPOINTRCT · 24 weeks · age 65+

    High-dose NMN raised NAD+ in older adults but did not improve hearing

    A 24-week placebo-controlled trial from the University of Tokyo found that NMN reliably lifted blood NAD+ in people 65 and older, while hearing and physical performance did not measurably change.