Nutritional Supplement Potential of NMN and NR

by: GSHWORLD Time: 2026-05-06 Classify: Product News

NAD⁺ (Nicotinamide Adenine Dinucleotide) is a key coenzyme that maintains cellular energy metabolism, DNA repair, antioxidant defense and inflammatory regulation. Its level declines significantly with aging, high-fat diets and chronic stress, serving as an important marker of bodily aging and metabolic disorders. As the core precursors of NAD⁺, Nicotinamide Mononucleotide (NMN) and Nicotinamide Riboside (NR) exhibit great potential for nutritional supplementation and health promotion by virtue of their ability to efficiently elevate NAD⁺ levels.

Metabolic Mechanism
In terms of metabolic mechanism, NMN and NR can bypass the rate-limiting steps of the traditional synthesis pathway and rapidly synthesize NAD⁺ through the salvage pathway. Specifically, NMN can be directly converted into NAD⁺, while NR is first phosphorylated into NMN before participating in NAD⁺ synthesis. Both can effectively increase NAD⁺ concentration in cells and tissues, activate NAD⁺-dependent enzymes such as Sirtuins and PARPs, and exert multiple physiological protective effects. Meanwhile, gut microbiota participates in the metabolic transformation of NMN and NR, further amplifying their biological effects in the human body.

Health Benefits
In terms of health benefits, the nutritional value of NMN and NR supplementation has been confirmed by numerous studies. Both can improve insulin sensitivity and regulate glucose and lipid metabolism, showing potential intervention effects on type 2 diabetes and non-alcoholic fatty liver disease. They can protect nerves and blood vessels, alleviate oxidative stress and inflammatory responses, and delay aging-related lesions such as Alzheimer’s disease and vascular endothelial dysfunction. Additionally, they can modulate the structure of gut microbiota, increase the abundance of beneficial bacteria, improve intestinal barrier function, and achieve coordinated maintenance of intestinal and extraintestinal health. In special health scenarios, NMN and NR can also assist in relieving inflammatory storms and provide support for infection-related health issues.

NMN and NR have been detected in natural foods, with edamame, avocados, broccoli, milk, meat and fermented beverages serving as dietary sources. However, their content in natural foods is relatively low, making it difficult to meet the body’s demand for elevated NAD⁺ levels. Therefore, nutritional supplements centered on NMN and NR have become an efficient option.

As high-efficiency NAD⁺ precursors, NMN and NR possess definite value in the field of dietary nutritional supplementation. In the future, with the exploration of food sources, optimization of biosynthesis technology and improvement of dosage regimens, NMN and NR will become important nutritional supplements for anti-aging, metabolic regulation and intestinal health maintenance, providing new nutritional intervention strategies for public health.

Reference
Alegre GFS, Pastore GM. NAD+ Precursors Nicotinamide Mononucleotide (NMN) and Nicotinamide Riboside (NR): Potential Dietary Contribution to Health. Current Nutrition Reports. 2023.

*Special note - This article is for informational purposes only and cannot replace a doctor's treatment diagnosis and advice. It should not be regarded as a recommendation or proof of efficacy of the medical products involved. If it involves disease diagnosis, treatment, and rehabilitation, please be sure to go to a professional medical institution to seek professional advice.

Previous: Mechanism of Exogenous Application of Oxidized Glutathione