NAD+ Supplements Show Limited Human Evidence Despite Promising Animal Data
A major review finds clinical proof for NAD+ decline with age is sparse, and human trials of NR and NMN show limited efficacy.
Evidence-based supplements, vitamins, minerals, nootropics, and longevity interventions
216 articles
A major review finds clinical proof for NAD+ decline with age is sparse, and human trials of NR and NMN show limited efficacy.
A product review breaks down the evidence tiers for four popular longevity supplements and rates the best commercial stacks.
A leading aging researcher audits NMN, urolithin A, spermidine, and more — revealing what actually works and what falls short.
A Stanford drug development expert breaks down why most peptide compounds circulating online lack the safety and efficacy data required for human use.
A novel two-stage fermentation process produces record levels of PQQ and single cell protein using agricultural waste, cutting production costs.
Pyrroloquinoline quinone at 5 μM improved porcine oocyte maturation, reduced ROS, and raised blastocyst formation rates in a new lab study.
Expert reviews compare leading senolytic and NAD+ supplement brands on ingredients, evidence quality, and value.
New expert reviews compare NMN and NR head-to-head, ranking top products by purity, absorption, and clinical evidence.
A comprehensive review reframes N-acetylcysteine as a precision redox modulator and spotlights its lipophilic amide derivative NACA as a superior next-generation agent.
A 7-day trial shows GlyNAC boosts glutathione in blood, liver, and muscle while protecting intestinal structure and reducing liver inflammation under heat stress.
Expert reviews compare leading NMN and NR supplements on clinical evidence, purity, and value — with key caveats on what the science can and cannot yet prove.
A rigorous product review reveals major quality gaps in NAD+ supplements and what dosing evidence actually supports.