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5-Amino-1MQ works by inhibiting NNMT (the enzyme that degrades NAD+ precursors), whereas NMN and NR work by directly supplying NAD+ precursors

Prior to the development of these targeted compounds, metabolic and longevity research relied largely on indirect calorie restriction models or broad hormonal modulation

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Importantly, NNMT is a dominant component of the gene expression signature for sarcopenia, overexpression of which could lead to significantly reduced levels of NAD+ and associated declines in muscle mass, strength, and function that accompany aging

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Such modulatory effects on cholesterol levels hint at its broader applicability, beyond just weight reduction, perhaps in the realm of metabolic health optimization [Usman et al., 2022]