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Types of Nicotinamide Riboside (NR): Forms & Bioavailability

This content is for informational purposes only and does not constitute medical advice. Consult your healthcare provider before starting any supplement. Full disclaimer

Forms Comparison

FormBioavailabilityBest For
Nicotinamide Riboside Chloride (Niagen)Moderate-HighStandard supplementation — the patented form used in most clinical trials with extensive safety data
NR Capsules (generic)ModerateCost-effective option — non-branded NR at lower price points

Nicotinamide Riboside Chloride (Niagen)

Bioavailability: Moderate-High. Best for: Standard supplementation — the patented form used in most clinical trials with extensive safety data.

NR Capsules (generic)

Bioavailability: Moderate. Best for: Cost-effective option — non-branded NR at lower price points.

References

  1. (). Chronic nicotinamide riboside supplementation is well-tolerated and elevates NAD+ in healthy middle-aged and older adults. Nature Communications. DOI
  2. (). Nicotinamide riboside augments the aged human skeletal muscle NAD+ metabolome and induces transcriptomic and anti-inflammatory signatures. Cell Reports. DOI
  3. (). Nicotinamide riboside is uniquely and orally bioavailable in mice and humans. Nature Communications. DOI