Is vitamin D especially important for athletes?

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A number of studies have shown that vitamin D improves athletic performance. How so? Vitamin D is essential for strong bones, and studies also show that it helps build muscle by increasing the size and number of the fast-twitch muscle fibers that are critical for fast and powerful movements.

More evidence that vitamin D may help athletes comes from the fact that athletic performance peaks during the summer months, when people are exposed to more sunlight and have higher levels of vitamin D in their bodies, whereas performance drops to its lowest point in the darker winter months, when people tend to have less vitamin D.
Dr. Vonda Wright, MD
Orthopedic Surgery
Vitamin D is essential for the absorption of calcium and phosphorus and for bone formation. Lack of adequate vitamin D may manifest itself in unexplained muscle pain or weakness or low calcium balance. 
Fitness After 40: How to Stay Strong at Any Age

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Fitness After 40: How to Stay Strong at Any Age

It's one of the undeniable facts of life. After we reach a certain age, our bodies change. No matter how fit we may have been at 20, we're very different people after 40. But growing older doesn't...

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.