NAD+mitochondrialepigeneticDNA repair

Nicotinamide Riboside

Nicotinamide riboside chloride

NAD+ precursor converted via NR kinase pathway. Elevates NAD+, activating sirtuins (SIRT1, SIRT3) and PARPs for DNA repair.

Typical longevity dose: 300-1000 mg/day

Price Comparison

ProductVendorPricePer ServingTrust

Thorne NiaCel 300mg

300mg · capsule · 60 servings

Thorne$46.00$0.779Buy

Life Extension NAD+ Cell Regenerator 300mg

300mg · capsule · 30 servings

Life Extension$34.50$1.159Buy

TRU NIAGEN 300mg

300mg · capsule · 30 servings

Amazon$40.00$1.332Buy

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Key Research

NR 1000 mg/day effectively elevated NAD+ in healthy adults aged 55-79.

Martens CR, et al. (2018). Nature Communications

Interaction Warnings

Methyl donors

Consumes methyl groups — pair with TMG

Synergies

TMG

TMG provides methyl groups consumed during NR metabolism

Apigenin

Apigenin inhibits CD38 NAD+ degradation

Disclaimer: This information is for educational purposes only and is not medical advice. Research citations are provided for reference — consult your healthcare provider before starting any supplement regimen. Prices are estimates and may not reflect current retail pricing.