Longevity

NR (Nicotinamide Riboside)

Also known as: Niagen, TRU NIAGEN

Evidence

Another NAD+ precursor with good human data. May have different tissue distribution than NMN.

Last reviewed June 2026 · Evidence graded from peer-reviewed research, not editorial opinion. Educational only — not medical advice.

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The highest-scored NR (Nicotinamide Riboside) product in our catalog (91/100). Track dose and overlaps in the app.

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Every NR (Nicotinamide Riboside) product we have scored

#	Product	Score	Per serving
1	Life Extension NAD+ Cell Regenerator	91 A	$0.60
2	Life Extension NAD+ Cell Regenerator and Resveratrol Elite	84 A-	$1.50

Scored on dose accuracy, form, label transparency and third-party testing. Per-serving cost is list price divided by servings per container. No brand pays to be listed or ranked.

Common questions

How much NR (Nicotinamide Riboside) should I take?

The typical range is 300-500mg daily. Ongoing

When should I take NR (Nicotinamide Riboside)?

Morning. Optional.

Which form of NR (Nicotinamide Riboside) is best?

Niagen capsules — Patented form. Other forms in the catalog: Generic NR.

Is NR (Nicotinamide Riboside) safe?

Commonly reported: Mild flushing (less than niacin), GI upset. Serious warnings: None known. Safe

Which NR (Nicotinamide Riboside) supplement scores highest?

Life Extension NAD+ Cell Regenerator, at 91/100. Scored on dose accuracy, form, label transparency and third-party testing — no brand pays to be listed or ranked.

Primary uses

NAD+ support
Cellular energy
Longevity

How it works

Raises NAD+ levels
Cellular energy support
May support healthy aging

Dosage

Typical range: 300-500mg daily
Timing: Morning
With food: Optional
Duration: Ongoing
Special populations: Anti-aging, energy

Forms

Niagen capsules
Generic NR

Safety

Common side effects

Mild flushing (less than niacin)
GI upset

Contraindications

Cancer (theoretical)

Products containing NR (Nicotinamide Riboside)

Top-scoring supplements in our catalog that list NR (Nicotinamide Riboside) on the label. Each product is graded on Formulate's ingredient-level rubric — dose accuracy, form, transparency, and third-party testing.

Life Extension

NAD+ Cell Regenerator

Find on Amazon

Life Extension

NAD+ Cell Regenerator and Resveratrol Elite

Find on Amazon

See all products →

Evidence notes

Well-studied NAD+ precursor

Grade B: Some human trials support key claims; further confirmation needed.

Related in Longevity

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Medical disclaimer. This page is educational and does not replace advice from a qualified healthcare provider. Individual needs and risks vary — consult a professional before starting, stopping, or combining supplements, especially if you are pregnant or nursing, taking medication, or managing a health condition.