NR

No summary available for this substance.

Nicotinamide Riboside (NR)

Nicotinamide Riboside (NR) is a form of vitamin B3 that is converted into Nicotinamide Adenine Dinucleotide (NAD+) in the body. NAD+ is a critical coenzyme found in every cell in our body, and it’s involved in hundreds of metabolic processes. However, NAD+ levels decline with age and the resultant NAD+ deficit is associated with signs of aging and numerous health issues.

Category
Vitamin
Molecular Formula
C11H15N2O5P
Mechanism of Action
NR is a precursor to NAD+, meaning it becomes NAD+ through a series of chemical transformations. NAD+ is a coenzyme or helper molecule for key enzymes in cell health and longevity, including those that help repair DNA, create cellular energy, and set the body’s internal clock or circadian rhythm.
Evidence Grade
B

Other Names

  • Niagen
  • Nicotinamide riboside chloride

Primary Benefits

  • Boosts cellular energy production
  • Supports brain health
  • Promotes healthy aging
  • Improves metabolic health

Recommended Dosage

Adults 100-300 mg per day

Side Effects

  • Nausea
  • Fatigue
  • Headache
  • Diarrhea

Precautions

  • May lower blood pressure
  • May increase blood sugar levels
  • Not recommended for pregnant or breastfeeding women without medical advice

Interactions

  • Alcohol
  • Blood pressure medication
  • Diabetes medication

Key References

  • Trammell, S.A., Schmidt, M.S., Weidemann, B.J. et al. Nicotinamide riboside is uniquely and orally bioavailable in mice and humans. Nat Commun 7, 12948 (2016).
  • Martens, C. R., Denman, B. A., Mazzo, M. R., et al. Chronic nicotinamide riboside supplementation is well-tolerated and elevates NAD+ in healthy middle-aged and older adults. Nature Communications, 9(1), 1286. (2018).
Peptide & Hormone Therapies for Health, Performance & Longevity | Dr. Craig Koniver
Exploring Peptides, Hormones, and Therapies for Health and Wellness 1:55:38 0
“NR can reduce inflammation, is that right? Yeah, okay, less data that NMN can reduce inflammation at least lack of human studies.”

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#148 – Richard Miller, M.D., Ph.D.: The gold standard for testing longevity drugs: the ITP
Understanding Longevity: Research, Substances, Genetics, Diet, and Implications 1:51:01 0
“the reason that nr nicotinamide riboside was recommended to us by a company that wants to sell it is that it's orally bioavailable and more stable than some of the other ways that have been proposed”

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#148 – Richard Miller, M.D., Ph.D.: The gold standard for testing longevity drugs: the ITP
Understanding Longevity: Research, Substances, Genetics, Diet, and Implications 1:51:32 0
“we tested it it's a bioavailable form we used a dose that they suggested and the paper that will have come out by the time this podcast becomes available suggested that in our did not extend life span in our mice”

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281 ‒ Longevity drugs, aging biomarkers, and updated findings from the Interventions Testing Program
Insights on Enhancing Lifespan Through Anti-Aging Interventions and Research 2:04:02 0
“we tested it and it didn't didn't work um that is it didn't extend Mouse lifespan”

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NMN, NR, Resveratrol, Metformin & Other Longevity Molecules | Lifespan with Dr. David Sinclair #4
Exploring Longevity Molecules and Health Benefits for Lifespan Extension 0:57 0
“Should I take NR? Should I take NMN? What should I do with Metformin?”

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NMN, NR, Resveratrol, Metformin & Other Longevity Molecules | Lifespan with Dr. David Sinclair #4
Exploring Longevity Molecules and Health Benefits for Lifespan Extension 13:45 0
“NR stands for nicotinamide riboside. So that's the vitamin B3 plus the sugar.”

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NMN, NR, Resveratrol, Metformin & Other Longevity Molecules | Lifespan with Dr. David Sinclair #4
Exploring Longevity Molecules and Health Benefits for Lifespan Extension 13:56 0
“NR has been taken over the counter or through websites for, what, since 2014, either solely just as a capsule or there's some companies that sell it in combination with other molecules.”

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NMN, NR, Resveratrol, Metformin & Other Longevity Molecules | Lifespan with Dr. David Sinclair #4
Exploring Longevity Molecules and Health Benefits for Lifespan Extension 17:11 0
“NR, when given to mice, extends their lifespan by about 9%.”

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NMN, NR, Resveratrol, Metformin & Other Longevity Molecules | Lifespan with Dr. David Sinclair #4
Exploring Longevity Molecules and Health Benefits for Lifespan Extension 18:59 0
“NR doesn't seem to be as effective as NMN.”

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NMN, NR, Resveratrol, Metformin & Other Longevity Molecules | Lifespan with Dr. David Sinclair #4
Exploring Longevity Molecules and Health Benefits for Lifespan Extension 19:59 0
“With NR there've been a handful of studies in humans showing that low dose, 250 milligrams per day, up to a pretty large dose, a gram a day, does raise NAD levels, but it takes about 9 to 10 days to get to those peak levels.”

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NMN, NR, Resveratrol, Metformin & Other Longevity Molecules | Lifespan with Dr. David Sinclair #4
Exploring Longevity Molecules and Health Benefits for Lifespan Extension 22:03 0
“NR is more popular because it's cheaper to make. It doesn't have that phosphate which can be expensive to put on the molecule through chemistry.”

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NMN, NR, Resveratrol, Metformin & Other Longevity Molecules | Lifespan with Dr. David Sinclair #4
Exploring Longevity Molecules and Health Benefits for Lifespan Extension 31:07 0
“Alcohol dehydrogenase needs NAD. And so what's probably happening is when you wake up with a hangover, you lack NAD, your liver is depleted, and if you take NMN or NR, you can raise those levels back up, get your liver working again, and get rid of the excess alcohol.”

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Breaking Bad Habits & Living Your Best Life – Dr Andrew Huberman (4K)
Optimizing Health and Functionality Through Sleep and Rhythm Management 2:23:35 0
“nmn is a precursor to NAD; NR is the precursor to nmn so there's a phosphate group that gets removed.”

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Breaking Bad Habits & Living Your Best Life – Dr Andrew Huberman (4K)
Optimizing Health and Functionality Through Sleep and Rhythm Management 2:24:24 0
“I've also taken NR and I didn't notice any tangible effect.”

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Breaking Bad Habits & Living Your Best Life – Dr Andrew Huberman (4K)
Optimizing Health and Functionality Through Sleep and Rhythm Management 2:24:31 0
“I don't take it because it's very expensive relative to NN and even though I probably could afford it I didn't subjectively feel much.”

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Autophagy & Longevity Scientist Reveals Worst Longevity Products & BS Claims – Dr. Matt Kaeberlein
The Science of Transforming Inputs for Enhanced Value and Efficiency 12:05 0
“There are really kind of four NAD precursors that people think about oral or orally available NAD precursors there's nicotenomid monucleotide NMN and nicotenomid ribocide NR those are the two that get the most attention.”

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Autophagy & Longevity Scientist Reveals Worst Longevity Products & BS Claims – Dr. Matt Kaeberlein
The Science of Transforming Inputs for Enhanced Value and Efficiency 12:43 0
“NMN and NR cost about 100 times more than nicotinamide and niacin so if you really think you want to take NAD precursors sure you're welcome to buy the expensive stuff that gets broken down to the cheap stuff in your gut but there's no real good reason to do that.”

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Ask Me Anything: Lowering Cholesterol and Optimizing VO2max
Optimize Cholesterol Levels and Enhance Cardiovascular Health Naturally Without Limits 1:16:06 0
“I wouldn't recommend taking NMN or NR because there is no real data related to human health benefits, and there might be harm.”

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204 – Centenarians, metformin, and longevity | Nir Barzilai, M.D.
"Factors Influencing Longevity and Healthspan: Genetics, Hormones, Lifestyle, Environment" 1:38:58 0
“i probably get an equal number of questions near about the following three things: metformin, rapamycin, or some combination of nr nad or nmn”

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Dr. Peter Attia: Supplements for Longevity & Their Efficacy
Supplements, Lifestyle, and Strategies for Longevity and Optimal Health 0:54 0
“today we are going to discuss the so-called NAD pathway this is a pathway that's received a lot of attention and recent years as a potential Target for improving lifespan that is for living longer today we discuss the various molecules in this pathway and the various approaches to increasing NAD which is the end Target goal of anyone that's trying to augment the NAD pathway so to speak so for instance we talk about taking NR versus nmn versus direct infusions or even orally taking NAD and we compare them in terms of both what's known known and what is not known about their ability to get into cells and any efficacy they may have for either longevity or health span”

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Dr. Peter Attia: Supplements for Longevity & Their Efficacy
Supplements, Lifestyle, and Strategies for Longevity and Optimal Health 1:39 0
“Dr at and I compare and contrast the literature on this again both research and clinical literature and we discuss whether or not he or I take NAD nmn or NR and if so or if not the reasons for that we also each go through our own supplement regimen which of course reflects what we do believe can potentially have an effect on health span and or lifespan”

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Dr. Peter Attia: Supplements for Longevity & Their Efficacy
Supplements, Lifestyle, and Strategies for Longevity and Optimal Health 1:05:31 0
“I'll go on record now saying that I take NMN and in some cases I will take NR and NMN and I observe a very clear positive effect but I don't think it has anything to do with extending lifespan.”

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Dr. Peter Attia: Supplements for Longevity & Their Efficacy
Supplements, Lifestyle, and Strategies for Longevity and Optimal Health 1:07:49 0
“I've taken NR in capsule form, I've taken NMN typically in powdered form where I put it sublingually under the tongue.”

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Dr. Peter Attia: Supplements for Longevity & Their Efficacy
Supplements, Lifestyle, and Strategies for Longevity and Optimal Health 1:10:54 0
“I take it first thing in the morning, morning um and what dose one and a half gram 1500 milligrams so by the way if you translate you know the the doses that they give mice in the studies where they're testing the efficacy um are typically on the order of 500 to 1,000 milligrams per kilogram.”

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Dr. Peter Attia: Supplements for Longevity & Their Efficacy
Supplements, Lifestyle, and Strategies for Longevity and Optimal Health 1:11:36 0
“NR can cross the cell membrane directly very easily there's no obstacle to NR getting into cells okay and NMN cannot because of that extra phosphate group.”

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Dr. Peter Attia: Supplements for Longevity & Their Efficacy
Supplements, Lifestyle, and Strategies for Longevity and Optimal Health 1:17:43 0
“my understanding is that there are some studies that have explored the role of supplemented NR maybe nmn as well but certainly supplemented NR for sake of lowering inflam to offset some of the negative effects of time zone shift alcohol um I have a few others listed here um overnutrition.”

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Dr. Peter Attia: Supplements for Longevity & Their Efficacy
Supplements, Lifestyle, and Strategies for Longevity and Optimal Health 1:19:33 0
“this study randomize people to either uh a placebo or a regular dose of this product or a double dose of the product and I can't remember exactly how much is in the product I think it's either 250 or 500 so then that would be what the regular group got of NR and then the other group was getting 2x that so it's either 250 and 500 or 500 and a th000 I don't recall.”

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Dr. Peter Attia: Supplements for Longevity & Their Efficacy
Supplements, Lifestyle, and Strategies for Longevity and Optimal Health 1:25:19 0
“I'm questioning whether or not I'm wasting my money taking NMN or NR.”

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Dr. Peter Attia: Supplements for Longevity & Their Efficacy
Supplements, Lifestyle, and Strategies for Longevity and Optimal Health 1:28:13 0
“this one study found somewhere between a 60 and 80% reduction in basal cell and squamous cell carcinomas”

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Dr. Peter Attia: Supplements for Longevity & Their Efficacy
Supplements, Lifestyle, and Strategies for Longevity and Optimal Health 1:33:34 0
“NR can cross the cell membrane directly NN cannot okay but you can just CLE the phosphate group right exactly um NR they claim I'm not this is not my claim but they claim that NR is quote unquote 25% more effective than NN in raising whole blood NAD levels but I'm guessing that's milligram for milligram right okay so then you just adjust the milligram dosage a little bit and so on”

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Dr. Peter Attia: Supplements for Longevity & Their Efficacy
Supplements, Lifestyle, and Strategies for Longevity and Optimal Health 1:34:55 0
“I don't even think it's worth arguing about whether nmn or NR is more bioavailable because to your point you can sort of adjust the dose and I trust that whatever you're taking NR or nmn you are getting some NR into the cells and that's being converted to NAD.”

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Dr. Peter Attia: Supplements for Longevity & Their Efficacy
Supplements, Lifestyle, and Strategies for Longevity and Optimal Health 1:39:21 0
“I do think NR and nmn are probably um there has been some voice around the idea that NR could increase the risk of cancer right and the experts in this area like Charles brener have pushed back hard on that arguing that the studies were not done well.”

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Dr. Peter Attia: Supplements for Longevity & Their Efficacy
Supplements, Lifestyle, and Strategies for Longevity and Optimal Health 1:40:27 0
“interesting positive effects of augmenting NR as a means to increase NAD for sake of anti-inflammation and some of these other effects that we've been discussing”

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Dr. Peter Attia: Supplements for Longevity & Their Efficacy
Supplements, Lifestyle, and Strategies for Longevity and Optimal Health 2:05:11 0
“I take my nmn and my NR and I feel a little bit of a boost in energy but I can't say that it's so significant that I feel like I can Sprint back and forth Just spontaneously”

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Dr. Peter Attia: Supplements for Longevity & Their Efficacy
Supplements, Lifestyle, and Strategies for Longevity and Optimal Health 2:11:29 0
“I take NR and NMN with not a lot of religious adherence. If I ran out I might not buy it for a while and the only observed effect for me is this accelerated hair growth”

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Dr. Peter Attia: Supplements for Longevity & Their Efficacy
Supplements, Lifestyle, and Strategies for Longevity and Optimal Health 2:25:32 0
“everything we have talked about on this podcast today whether it be NR NAD nmn thumin magnesium this supplement that supplement all of that stuff while potentially mattering I would put in the category of was the Titanic serving LOB Lobster or steak”

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Dr. Peter Attia: Supplements for Longevity & Their Efficacy
Supplements, Lifestyle, and Strategies for Longevity and Optimal Health 2:27:41 0
“I don't take these supplements full stop. I passionately do not believe they do anything for me and why would I waste time money anything on something that I really don't believe makes a difference.”

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