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Safety evaluation after acute and sub-chronic oral administration of high purity nicotinamide mononucleotide (NMN-C®) in Sprague-Dawley rats

β-nicotinamide mononucleotide (NMN) is a natural molecule intermediate in the biosynthesis of nicotinamide adenine dinucleotide (NAD+). Preclinical evidences point to the beneficial effect of NMN administration on several age-related conditions. The present work aimed at studying mutagenicity, and genotoxicity, acute oral toxicity and subchronic oral toxicity of a high purity synthetic form of NMN (NMN-C®) following the OECD guidelines. In the experimental conditions tested, NMN-C® was not mutagenic or genotoxic. Acute toxicity assay revealed that at an oral limit dose of 2666 mg/kg, NMN-C® did not lead to any mortality or treatment-related adverse signs. Over a 90-day sub-chronic period of repeated oral administration of NMN-C® at doses of 375, 750 and 1500 mg/kg/d followed by a 28-day treatment-free recovery period, NMN-C® appeared to be safe and did not promote toxic effects as seen from body weight change, food and water consumption, feed conversion efficiency, biochemical and blood parameters as well as organ toxicity and histological examinations of main organs. In conclusion, we provide the first data highlighting the safety of short to intermediate term (sub-chronic) oral administration of NMN and our experimental results allowed to determine a No-Observable Adverse Effect Level (NOAEL) for NMN-C® to be ≥ 1500 mg/kg/d.

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Cat.No. Product Name Information
S5259 β-Nicotinamide Mononucleotide Nicotinamide mononucleotide (β-NM, NMN), one of the key precursors of NAD+ and products of the NAMPT reaction , is converted to NAD+ by nicotinamide mononucleotide adenylyltransferase.

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