1
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NMN, nicotinamide mononucleotide, is a precursor used in NAD+ metabolism.

2
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It is a small molecule, and its evidence should remain separate from peptide research.

3
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A ten-week randomized trial studied postmenopausal women with prediabetes who had overweight or obesity.

4
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The study examined specific metabolic outcomes rather than lifespan.

5
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Researchers reported improved muscle insulin sensitivity with NMN, while body composition did not change.

6
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A physiological measurement and a visible body transformation are different outcomes.

7
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This small, short study cannot settle long-term health benefits or safety.

8
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Its findings should not be generalized to everyone or described as proven anti-aging.