Longevity

Nicotinamide Riboside (NR) — timing, dose & interactions

NAD⁺ precursor with the most human safety data in its class. Reliably raises blood NAD⁺; clinical benefits in humans are not yet established.

Also known as NR, Niagen

Timing

When to take it

Usually taken in the morning, like NMN.

Interactions

Nicotinamide Riboside (NR) with other supplements

Safety

Medications & health conditions

CautionCancer treatment

NAD⁺ boosters and cancer: unknown. NAD⁺ supports cell metabolism, including in tumors in some lab models. Avoid unless your oncologist agrees.

Animal / lab only
CautionPregnant or breastfeeding

Nicotinamide riboside: no safety data in pregnancy. Nicotinamide riboside has not been studied for safety in pregnancy or breastfeeding. Avoid unless your clinician recommends it.

Mechanism-based

Buying guide

What to look for on the label

  • Nicotinamide Riboside (NR)

    • Nicotinamide riboside chloride (Niagen®)

FAQ

Common questions

When is the best time to take Nicotinamide Riboside (NR)?

On waking or Breakfast. Usually taken in the morning, like NMN.

Should Nicotinamide Riboside (NR) be taken with food?

It can be taken with or without food. Usually taken in the morning, like NMN.

Can you take Nicotinamide Riboside (NR) with NMN?

Safe as far as we know, but there is no reason to take both. Pick one. NR has more published human safety data.

Can you take Nicotinamide Riboside (NR) with Resveratrol?

Fine to combine; the synergy remains a hypothesis. Take resveratrol with a fat-containing meal; NR timing is flexible.

Sources

References

  1. 01Martens CR et al. Chronic nicotinamide riboside supplementation is well-tolerated and elevates NAD+ in healthy middle-aged and older adults. Nat Commun 2018.