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Therapies & Protocols8 min read

NMN vs NR vs IV NAD+: Which NAD+ Boosting Strategy Works Best?

NAD+ declines by up to 50% between your twenties and fifties, driving fatigue, cognitive decline, and accelerated aging. Three strategies claim to restore it: NMN supplements, NR supplements, and IV NAD+ infusions.

Written by Dr. R. Brahmananda Reddy

Fluorescence micrograph: the orange mitochondrial network of a human muscle cell around a blue nucleus
In this article
  1. The NAD+ Problem
  2. NR (Nicotinamide Riboside)
  3. NMN (Nicotinamide Mononucleotide)
  4. IV NAD+
  5. My Clinical Perspective

The NAD+ Problem

NAD+ is a coenzyme present in every living cell, essential for mitochondrial energy production, DNA repair, sirtuin activation, and immune function. By your fifties, cellular NAD+ may be 50% lower than in your twenties.

NR (Nicotinamide Riboside)

Bioavailability: Can increase blood NAD+ by 40-60%. Has the most extensive human clinical trial database and FDA GRAS status. Cost: 3,000-6,000 INR/month.

NMN (Nicotinamide Mononucleotide)

A January 2026 head-to-head trial found NR and NMN produced comparable NAD+ elevation at equal doses (1,000 mg daily). FDA confirmed dietary supplement status in September 2025. Cost: 4,000-10,000 INR/month.

IV NAD+

100% bioavailability into bloodstream but rapid clearance. Expensive ($200-500 per session, 15,000-40,000 INR), time-consuming (2-4 hours), with limited clinical trial evidence.

My Clinical Perspective

Start with foundations that reduce NAD+ depletion. NR and NMN are comparable at equivalent doses. IV NAD+ reserved for acute use cases. Always measure intracellular NAD+ levels before and after supplementation.

At Genoryx, we offer IV NAD+ infusions alongside personalised oral supplementation protocols, all guided by NAD+ testing. Book a consultation and determine the optimal NAD+ strategy for your biology.

Sources

Studies named in this article that we matched to the original paper. A study described without enough detail to identify it is not listed.

  1. 01Christen S, Redeuil K, Goulet L, et al. The differential impact of three different NAD(+) boosters on circulatory NAD and microbial metabolism in humans. Nature Metabolism. 2026. doi:10.1038/s42255-025-01421-8 (opens in a new tab)

This article is for education. It is not a diagnosis or a treatment plan; decisions about tests, medicines or supplements belong in a consultation with a physician who knows your history.

Portrait of Dr. R. Brahmananda Reddy

About the author

Dr. R. Brahmananda Reddy

MSc Dermatology, University of Hertfordshire (UK) · Founder & Chief Longevity Physician

MBBS · MSc Dermatology (University of Hertfordshire, UK) · Fellowship in Aesthetic & Regenerative Medicine (University of Greifswald, Germany). 13+ years in clinical practice.

Full profile

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