Vitamin B12 supports skeletal muscle oxidative phosphorylation capacity in male mice
Luisa F. Castillo, Katarina E. Heyden, Abigail R Williamson, Wenxia Ma, Olga Malysheva, Nathaniel M. Vacanti, Anna Elizabeth Thalacker‐Mercer, Martha S. Field
This study shows that vitamin B12 deficiency impairs mitochondrial DNA integrity and oxidative phosphorylation in skeletal muscle, while B12 supplementation improves mitochondrial function in aged mice.
Journal of Nutrition · Jan 20, 2026Peer-reviewedBiochemistry