This study demonstrates that acidic cellular environments deplete NAD+ levels and cause mitochondrial dysfunction, but NMN supplementation can partially rescue these effects. The research provides mechanistic evidence for how NMN works at the cellular level, particularly in restoring NAD+ levels and reversing mitochondrial DNA damage. This gives practitioners scientific backing for NMN’s role in cellular health and metabolic function, especially in patients with inflammatory conditions or metabolic stress.
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In vitro evidence suggests NMN may partially restore NAD+ and mitochondrial function under acidic/metabolic stress conditions.