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Article: Nicotinamide Riboside Has Minor Metabolic Benefits in Obesity: Preclinical Findings

Nicotinamide Riboside Has Minor Metabolic Benefits in Obesity: Preclinical Findings


Synopsis

Nicotinamide riboside supplements (NRS) are thought to boost NAD+ levels and mitochondrial function, potentially improving muscle health and energy use. This study tested NRS effects in normal and genetically modified mice with diet-induced obesity. NRS given midway through a high-fat diet slightly improved glucose control but didn't increase NAD+ levels or mitochondrial function in muscle as expected. When given early as prevention, NRS had no benefit. Overall, the results suggest NRS alone may have limited effects on muscle energy metabolism in obesity.

Journal

iScience

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Autoimmune Disease

Nicotinamide Riboside Helps Improve Symptoms in Lupus: Preclinical Findings

SynopsisThe protein PPP2R2A helps regulate the immune system, and in lupus-prone mice, T cells lacking this protein caused less autoimmunity and kidney damage. Without PPP2R2A, T cells produced mor...

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Metabolic Health

Nicotinamide Riboside Has Minor Effect on Energy Metabolism in Obesity: Preclinical Findings

SynopsisNR has been shown to reverse obesity-related health issues in mice, but effects may vary by strain. Researchers compared mildly obese C57BL/6N and C57BL/6J mice on high-fat diets, with or w...

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