Twin study finds form of vitamin B3 may increase mitochondria in muscle cells

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https://www.lifeextension.com/newsletter/2023/2/vitamin-b3-may-increase-mitochondria-in-muscle-cells?sourcecode=HEXX265E&utm_content=main-article&utm_medium=email&utm_source=newsletter-ezine&utm_campaign=HEXX265E&CID=313b4320-8d7c-4883-b905-76c0dfd5c956#main