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Does nmn actually work
Apr 26, 2021

The administration of nicotinamide mononucleotide (NMN) has been shown to mitigate aging-related dysfunctions. However, the safety of NMN in humans have remained unclear. We, therefore, conducted a clinical trial to investigate the safety of single NMN administration in 10 healthy men. A single-arm non-randomized intervention was conducted by single oral administration of 100, 250, and 500 mg NMN. Clinical findings and parameters, and the pharmacokinetics of NMN metabolites were investigated for 5 h after each intervention. Ophthalmic examination and sleep quality assessment were also conducted before and after the intervention.


The single oral administrations of NMN did not cause any significant clinical symptoms or changes in heart rate, blood pressure, oxygen saturation, and body temperature. Laboratory analysis results did not show significant changes, except for increases in serum bilirubin levels and decreases in serum creatinine, chloride, and blood glucose levels within the normal ranges, independent of the dose of NMN. Results of ophthalmic examination and sleep quality score showed no differences before and after the intervention.


Plasma concentrations of N-methyl-2-pyridone-5-carboxamide and N-methyl-4-pyridone-5-carboxamide were significantly increased dose-dependently by NMN administration. The single oral administration of NMN was safe and effectively metabolized in healthy men without causing any significant deleterious effects. Thus, the oral administration of NMN was found to be feasible, implicating a potential therapeutic strategy to mitigate aging-related disorders in humans.

NMN and Resveratrol

Is nmn effective

The administration of nicotinamide mononucleotide (NMN) has been shown to mitigate aging-related dysfunctions. However, the safety of NMN in humans have remained unclear. We, therefore, conducted a clinical trial to investigate the safety of single NMN administration in 10 healthy men. A single-arm non-randomized intervention was conducted by single oral administration of 100, 250, and 500 mg NMN.


Clinical findings and parameters, and the pharmacokinetics of NMN metabolites were investigated for 5 h after each intervention. Ophthalmic examination and sleep quality assessment were also conducted before and after the intervention. The single oral administrations of NMN did not cause any significant clinical symptoms or changes in heart rate, blood pressure, oxygen saturation, and body temperature. Laboratory analysis results did not show significant changes, except for increases in serum bilirubin levels and decreases in serum creatinine, chloride, and blood glucose levels within the normal ranges, independent of the dose of NMN.


Results of ophthalmic examination and sleep quality score showed no differences before and after the intervention. Plasma concentrations of N-methyl-2-pyridone-5-carboxamide and N-methyl-4-pyridone-5-carboxamide were significantly increased dose-dependently by NMN administration. The single oral administration of NMN was safe and effectively metabolized in healthy men without causing any significant deleterious effects. Thus, the oral administration of NMN was found to be feasible, implicating a potential therapeutic strategy to mitigate aging-related disorders in humans.


How long for nmn to start working

NMN increases the level of NMN in your body within minutes, while NAD+ levels are increased within 60 minutes. However, for the NAD+ to start rejuvenating your cells, it generally takes a few weeks.


Most users report that they feel younger and healthier within 2 to 3 weeks. The complete benefits of NMN can be felt after a few months of use—but you’ll already feel the difference within a few weeks!

NMN supplement side effects

Currently, no side effects of nicotinamide mononucleotide have been documented in humans. Researchers have conducted the majority of studies on NMN in rodents, which revealed positive effects on metabolism, brain function, liver, skin, muscle, bone structure, heart health, reproduction, immunity, and lifespan. Long-term mice study also showed no toxicity, serious side effects, or increased mortality rate throughout the 12 month intervention period.


A single study of NMN in humans reveals no safety concerns following single oral doses of 100, 250, and 500 mg of NMN. Five hours following the single oral administration of NMN, scientists found no changes in heart rate, blood pressure, blood oxygen levels, or body temperature. Laboratory analyses of blood did not show significant changes, except with levels of four molecules in the blood, which fell within normal ranges. This study also measured sleep quality, and found no differences before and after the NMN consumption.


Scientists need to conduct further studies of NMN administration in humans to determine whether side effects come from consuming it. Scientists could look at doses higher than 500 mg to find whether they induce side effects. Research could also look at whether long-term consumption of NMN causes side effects.

NMN benefits

How much nmn should I take

Sinclair takes 1 gram of NMN every day, along with other supplements including resveratrol, metformin, and aspirin.

NMN benefits

Anti-Aging effect

Increases fertility in women

Improves eyesight & vision

Energy booster

Facilitates the repair of broken DNA strands

Improves kidney function & blood flow

Lowers cholesterol & triglycerides

Improves Immune system function

Promotes heart health & function

Improves mitochondrial function by reducing neuroinflammation

NMN is in the early stages of human trials and the current benefit claims have been through the success of animal studies. To date, there is no evidence of any adverse effects, even at high doses over a prolonged period of time.

For bulk nmn powder, please contact us at email: [email protected]

References:https://www.lifespan.io/news/human-safety-trial-of-nmn-concludes/

https://pubmed.ncbi.nlm.nih.gov/31685720/

https://youthandearth.com/blogs/blog/what-is-nmn

https://www.nmn.com/precursors/nmn-benefits-side-effects-dosage

https://vestanutra.com/vproducts/nmn/

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