A study published in the Journal of Endocrinology has linked the possibility of Vitamin D deficiency to a reduction in muscle function. According to researchers, the deficiency led to a 40% decrease in mitochondrial output, thus hindering food to energy conversion, as well as muscle performance. This may mean that keeping adults from being Vitamin D deficient would help in maintaining muscle strength and function.
Dr. Andrew Philp from the Garvan Institute of Medical Research who led the team of researchers on this study stated that "...results show there is a clear link between vitamin D deficiency and oxidative capacity in skeletal muscle. They suggest that vitamin D deficiency decreases mitochondrial function, as opposed to reducing the number of mitochondria in skeletal muscle."
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