All compounds
Over the counter Published: human trials Established use

Nicotinamide Riboside: dosing, timing and what to expect

A NAD+ precursor one step further back than NMN. Has more published human data than NMN and is a recognised dietary ingredient, which NMN is not.

Also known as NR, Niagen

Educational research reference Longevity & Cellular
Quick reference. Everything you need to run Nicotinamide Riboside — dosing, frequency, reconstitution math for the vial sizes people actually buy, and what it stacks with. For anything specific to your situation, ask the Guru.

Nicotinamide Riboside quick start

Route
Oral
Typical dose
250–1,000 mg daily
Frequency
Once daily
Half-life
Short. Raises blood NAD+ within hours.
Cycle
Taken continuously.
These are the numbers people actually run, drawn from the published record and from what the community has settled on over time. Educational reference, not medical advice — a starting point to work from, and one you can adjust as you learn how you respond.

How to run it

How often
Once daily
Cycle length
Taken continuously.
Half-life
Short. Raises blood NAD+ within hours.
Route
Oral
Consistency matters more than perfect timing. Pick a slot in your day you will actually keep, and let DoseIQ handle the rest.

What people actually run

The better-studied NAD+ precursor, and the one with actual regulatory clearance behind it. Loses popularity contests to NMN despite stronger data.

This is accumulated community practice — years of real-world use across a large number of people, converging on numbers that work. It is not a controlled trial, and for most compounds here no such trial exists or is ever likely to. That makes this the most reliable dosing signal available, and it is a good deal better than guessing.

What to expect

Most people tolerate Nicotinamide Riboside well. Here is what is worth knowing going in, so nothing catches you by surprise.

The best-evidenced option in this category and generally well tolerated. Human trials reliably show it raises NAD+ levels; whether that translates to the outcomes people are after is the open question, and the same one that applies to NMN. Some people report flushing at higher doses.

Preparing it

Nicotinamide Riboside does not need reconstituting — it comes ready to use. Capsules. Nothing to reconstitute.
Track this in DoseIQ Browse all compounds

This page is an educational research reference and is not medical advice. Dose figures reflect the published record and what the community has converged on — starting points to weigh, not instructions. Consult a qualified healthcare provider before starting any protocol.