NewslettersMuscle Cell NewsVitamin A-Retinoic Acid Contributes to Muscle Stem Cell andMitochondrial Function Loss in Old AgeBy Jamie Kang - March 31, 2025018Investigators showed that Vitamin A, a micronutrient derived from diet and metabolized into retinoic acid, acted as an antioxidant and transcriptional regulator in muscle stem cells.[JCI Insight]AbstractGraphical Abstract