NMN vs NR
NMN or NR: Which to Choose? In Human Trials, Both Raised NAD+
Torn between NMN and NR? In human trials both raised blood NAD+, and 1,000 mg of NR lifted it 142%. Here are the doses each trial used, what it measured, and how the two powders compare.
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Article info
Evidence: 13 papers, 11 human studies, 2 reviews.
Research and article information
How we made this. Checked against every study we cite. It is not medical advice.
Updated:
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In a 14-day trial of 65 healthy adults, NR and NMN raised circulatory NAD+ about the same; plain nicotinamide did not.
Bottom line
NMN (nicotinamide mononucleotide) and NR (nicotinamide riboside) are two precursors that cells turn into NAD+, and both raised NAD+ in the human trials that measured it. One 2026 trial tested both in 65 healthy adults and found NR and NMN raised circulatory NAD+ about the same over 14 days; it was open-label and reported the blood marker, not how people felt (Christen 2026). None of these trials compared product forms or prices, so the practical choice comes down to dose, convenience and cost per dose. Compare the two plain-powder forms by cost per 500 mg dose
The studies ran from 2 weeks to 12 weeks
Christen 2026 NR or NMN
2 weeksMeasured: circulatory NAD+
Elhassan 2019 1,000 mg NR a day
3 weeksMeasured: muscle NAD+ metabolome
Conze 2019 100, 300 or 1,000 mg NR a day
8 weeksMeasured: whole-blood NAD+
Yi 2023 300, 600 or 900 mg NMN a day
60 daysMeasured: blood NAD+, 6-minute walk
Morifuji 2024 250 mg NMN a day
12 weeksMeasured: blood NAD+, 4-meter walk, sleep
Figure 1. The dose each human trial used and how long it lasted, as its abstract reports. Longer bars mean longer trials.
Source: Healthspan Post summary of the cited trials (PubMed).
Side by side
Both precursors did the same job in the trials that measured it: raising NAD+. The difference a buyer faces is the dose each trial used, how long, and what the trial could measure. Here is how they compare in the human trials.
| Attribute | NR (nicotinamide riboside) | NMN (nicotinamide mononucleotide) |
|---|---|---|
| Daily amounts in human trials | 100, 300 and 1,000 mg (dose-response) | 250, 300, 600, 900, 1,200 and 1,250 mg |
| Trial length | 3 to 10 weeks | 4 to 12 weeks |
| What the trials measured | whole-blood and muscle NAD+, plasma markers | blood NAD+, six-minute walk, 4-meter walking time, sleep, oxygen uptake in runners |
| Strength of the human evidence | mostly A (randomized controlled trials), plus one pilot (B) | mostly A (randomized controlled trials), plus one post-hoc analysis (B) |
| Trial dose vs a product serving | 1,000 mg a day, the amount in one serving of NR Powder Smooth Taste Blend | 250 mg a day, the amount in one serving of NMNs Fast Dissolve Tabs; 600 to 900 mg takes more than one scoop of NMN Pure Powder |
The two precursors are not identical molecules, and only one open-label trial gave both in the same study, so most of this comparison is across trials, not a single matched test. See the per-dose price comparison for the two plain-powder forms
Price per serving
| Product | Form | Per serving | Servings | Price | Cost per serving | Cost per 500 mg |
|---|---|---|---|---|---|---|
 NMN Pure Powder500 mg NMN per scoop; trial doses 250 to 1,250 mg a day | powder | 500 mg | 200 | $54.95 | $0.27 | $0.27 |
 NR Powder Smooth Taste Blend1,000 mg nicotinamide riboside chloride per serving, the dose in several NR trials | powder | 1,000 mg | 60 | $79.00 | $1.32 | $0.66 |
One-time purchase prices from Renue By Science, checked November 12, 2026. Prices change; the store shows the current one. Cost per 500 mg uses the main active ingredient.
Pick NMN if
Pick NMN if you want the precursor whose 600 and 900 mg daily doses gave the highest blood NAD+ and the longest six-minute walks in a 60-day placebo-controlled trial (Yi 2023). It suits a reader who is comfortable reading a few trial amounts and wants a precursor the trials tested across several doses.
Pick NR if
Pick NR if you want a precursor whose 1,000 mg a day dose produced a 142% rise in whole-blood NAD+ in a placebo-controlled trial and whose dose-response was clear across three amounts (Conze 2019). It suits a reader who prefers a well-characterized human dose-response.
Where to start: the two plain-powder forms
When a reader reaches for a product, the clearest comparison is between the two plain-powder precursors, because each carries the same molecule a capsule delivers and lets a reader set their own dose. NMN Pure Powder gives 500 mg of NMN per scoop; NR Powder Smooth Taste Blend gives 1,000 mg of nicotinamide riboside chloride per serving. Both are marketed to support healthy NAD+ levels, so the choice comes down to convenience, taste and the cost per 500 mg dose. For readers who would rather take a capsule, Renue’s NMN Liposomal Capsules carry the same precursor in liposomes for slower release. See the per-dose price comparison for the two plain-powder forms
Figure 2. The molecule is the same in every form; the form changes the dose format, convenience and cost per dose. Few human trials compare forms head to head.
Source: Healthspan Post, from product labels.
Figure 3. NMN sits one step from NAD+ in the salvage pathway, the main route cells use to keep NAD+ topped up.
Source: Covarrubias et al., Nature Reviews Molecular Cell Biology, 2021 (PubMed 33353981).
Show the scienceStudy-by-study table: 13 studies, design, dose and grade
The evidence
Every study cited in this article. Grades: A human RCT, meta-analysis or systematic review; B small, pilot or observational human study, or a review.
| Study | Design | People | Dose / duration | Result | Grade | Source |
|---|---|---|---|---|---|---|
| Yi 2023[1] | RCT | 80 healthy middle-aged adultsn = 80 | 300, 600 or 900 mg NMN/day · 60 days | Blood NAD+ rose at every dose versus placebo and baseline, highest at 600 and 900 mg; six-minute walk longer; SF-36 general health better than placebo; well tolerated | A | PubMed 36482258 |
| Conze 2019[2] | RCT | overweight but otherwise healthy adults | 100, 300 or 1,000 mg NR/day · 8 weeks | Whole-blood NAD+ rose 22%, 51% and 142% within 2 weeks and stayed up; no flushing | A | PubMed 31278280 |
| Christen 2026[3] | RCT | 65 healthy adultsn = 65 | 14 days | NR and NMN comparably raised circulatory NAD+; nicotinamide did not; open-label study; authors propose a gut-dependent route | A | PubMed 41540253 |
| Morifuji 2024[4] | RCT | 60 older adultsn = 60 | 250 mg NMN/day · 12 weeks | Blood NAD+ and its metabolites higher at 12 weeks; 4-meter walking time shorter than placebo; sleep quality improved; the primary stepping test did not differ; no adverse effects | A | PubMed 38789831 |
| Katayoshi 2023[5] | RCT | 36 healthy middle-aged adultsn = 36 | 125 mg twice a day (250 mg/day) · 12 weeks | Serum nicotinamide (a NAD+ metabolite) was higher in the NMN group; arterial stiffness trended lower but not significantly; no adverse events | A | PubMed 36797393 |
| Liao 2021[6] | RCT | 48 recreationally trained amateur runnersn = 48 | 300, 600 or 1,200 mg/day · 6 weeks | Oxygen uptake, percentage of VO2max and power at both ventilatory thresholds rose more than placebo at 600 and 1,200 mg; VO2max itself and peak power did not change | A | PubMed 34238308 |
| Fukamizu 2022[7] | RCT | 31 healthy adults 20-65n = 31 | 1,250 mg/day · up to 4 weeks | No changes beyond normal physiological variation across lab and body-composition panels; no severe adverse events | A | PubMed 36002548 |
| Elhassan 2019[8] | RCT | 12 aged menn = 12 | 1 g/day · 21 days | Raised the skeletal-muscle NAD+ metabolome and lowered circulating inflammatory cytokines, without changing mitochondrial bioenergetics | A | PubMed 31412242 |
| Vreones 2023[9] | RCT | 22 healthy older adultsn = 22 | 500 mg twice a day · 6 weeks | Raised NAD+ in plasma extracellular vesicles enriched for neuronal origin | A | PubMed 36515353 |
| Orr 2024[10] | pilot | 20 older adults with mild cognitive impairmentn = 20 | escalating to 1 g/day · 10 weeks | Blood NAD+ rose 2.6-fold; cognition stayed stable; well tolerated | B | PubMed 37994989 |
| Kuerec 2024[11] | cohort | 80 generally healthy adults 40-65 (post-hoc analysis of a trial)n = 80 | 300, 600 or 900 mg/day · 60 days | Dose-dependent rise in blood NAD+ with wide between-person variation (coefficient of variation 29.2 to 113.3%); the rise tracked with a longer six-minute walk | B | PubMed 38430946 |
| Prokopidis 2025[12] | meta-analysis | adults with a mean age over 60 | not reported | Pooled NMN trials showed no significant effect on muscle mass index, handgrip, gait speed or chair stand; authors concluded evidence does not support NMN or NR for preserving muscle mass and function | A | PubMed 40275690 |
| Freeberg 2023[13] | review | not reported | not reported | NR, NR with pterostilbene and NMN are the most-studied candidates; all are safe and raise NAD+ in tissues, but small samples limit outcome interpretation | B | PubMed 37068054 |
Questions readers ask
Which precursor raises NAD+ more, NMN or NR?
In the one head-to-head trial, about the same (open-label, 14 days). Source PubMed 41540253
What dose of NMN or NR did the trials use?
NMN trials used 250 to 1,250 mg a day. NR trials used 100 to 1,000 mg a day. One serving of NR Powder Smooth Taste Blend gives 1,000 mg, and one scoop of NMN Pure Powder gives 500 mg.
Does NMN or NR help muscle or strength?
A 2025 systematic review and meta-analysis of trials in adults over 60 found pooled NMN trials had no significant effect on muscle mass index, handgrip, gait speed or chair stand, and the authors concluded current evidence does not support NMN or NR for preserving muscle mass and function. Source PubMed 40275690
Is powder as good as a capsule?
No trial here compared powder with capsule. Each form carries the same precursor; Renue offers each as a plain powder and as a liposomal capsule designed for slower release, so the practical difference is convenience and cost per 500 mg dose.
NMN Pure Powder: the trade-offs
Why people choose it
- 500 mg NMN per scoop, 200 servings per 100 g
- Plain NMN with no other ingredients listed
- Can be swallowed in water, the way the NMN trials gave it
Things to know
- You measure each scoop yourself
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
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References
View all 13 cited studies
- Yi L, Maier AB, Tao R, et al. (2023). The efficacy and safety of β-nicotinamide mononucleotide (NMN) supplementation in healthy middle-aged adults: a randomized, multicenter, double-blind, placebo-controlled, parallel-group, dose-dependent clinical trial. Geroscience. PubMed 36482258
- Conze D, Brenner C, Kruger CL (2019). Safety and Metabolism of Long-term Administration of NIAGEN (Nicotinamide Riboside Chloride) in a Randomized, Double-Blind, Placebo-controlled Clinical Trial of Healthy Overweight Adults. Sci Rep. PubMed 31278280
- Christen S, Redeuil K, Goulet L, et al. (2026). The differential impact of three different NAD+ boosters on circulatory NAD and microbial metabolism in humans. Nat Metab. PubMed 41540253
- Morifuji M, Higashi S, Ebihara S, et al. (2024). Ingestion of β-nicotinamide mononucleotide increased blood NAD levels, maintained walking speed, and improved sleep quality in older adults in a double-blind randomized, placebo-controlled study. Geroscience. PubMed 38789831
- Katayoshi T, Uehata S, Nakashima N, et al. (2023). Nicotinamide adenine dinucleotide metabolism and arterial stiffness after long-term nicotinamide mononucleotide supplementation: a randomized, double-blind, placebo-controlled trial. Sci Rep. PubMed 36797393
- Liao B, Zhao Y, Wang D, et al. (2021). Nicotinamide mononucleotide supplementation enhances aerobic capacity in amateur runners: a randomized, double-blind study. J Int Soc Sports Nutr. PubMed 34238308
- Fukamizu Y, Uchida Y, Shigekawa A, et al. (2022). Safety evaluation of β-nicotinamide mononucleotide oral administration in healthy adult men and women. Sci Rep. PubMed 36002548
- Elhassan YS, Kluckova K, Fletcher RS, et al. (2019). Nicotinamide Riboside Augments the Aged Human Skeletal Muscle NAD+ Metabolome and Induces Transcriptomic and Anti-inflammatory Signatures. Cell Rep. PubMed 31412242
- Vreones M, Mustapic M, Moaddel R, et al. (2023). Oral nicotinamide riboside raises NAD+ and lowers biomarkers of neurodegenerative pathology in plasma extracellular vesicles enriched for neuronal origin. Aging Cell. PubMed 36515353
- Orr ME, Kotkowski E, Ramirez P, et al. (2024). A randomized placebo-controlled trial of nicotinamide riboside in older adults with mild cognitive impairment. Geroscience. PubMed 37994989
- Kuerec AH, Wang W, Yi L, et al. (2024). Towards personalized nicotinamide mononucleotide (NMN) supplementation: Nicotinamide adenine dinucleotide (NAD) concentration. Mech Ageing Dev. PubMed 38430946
- Prokopidis K, Moriarty F, Bahat G, et al. (2025). The Effect of Nicotinamide Mononucleotide and Riboside on Skeletal Muscle Mass and Function: A Systematic Review and Meta-Analysis. J Cachexia Sarcopenia Muscle. PubMed 40275690
- Freeberg KA, Udovich CC, Martens CR, et al. (2023). Dietary Supplementation With NAD+-Boosting Compounds in Humans: Current Knowledge and Future Directions. J Gerontol A Biol Sci Med Sci. PubMed 37068054