VDC test kit slider
VDC test kit slider

New RCT: Vitamin D beneficial for increasing muscle fiber size

Posted on: January 2, 2014   by  John Cannell, MD


In my 2008 book, Athletes Edge; Faster, Quicker, Stronger with vitamin D, I reviewed studies showing vitamin D affects muscle tissue. Several earlier studies suggest vitamin D increases the size of muscle fibers, especially the type II, fast twitch, type of fiber. Type II fibers are thought to contribute most to muscle strength.

You must be a paid member to read the rest of this post. Please login or register now.

Test Your Vitamin D Levels at Home!

Our in-home Vitamin D Test Kit is easy, affordable, and an accurate way to find out your Vitamin D status.

order NOW

We need your help!

We're spreading awareness on Vitamin D Deficiency
Donate NOW
Latest Articles
Can vitamin D supplementation increase your risk of adverse effects? This study suggests otherwise.

A meta-analysis of RCTs discovered that vitamin D supplementation did not increase the risk of noncalcemic adverse effects compared to a placebo.

Weekly Newsletter