Study Probes Muscle Building Effects of Vitamin D in Young and Old and Finds None, but Relative Strength in Old and Fiber Composition & Myostatin in Young Muscle Respond
Old or young, who is going to benefit and who is going to benefit most from vitamin D supplementation during a 12-week resistance training regimen. Unfortunately, we don't have an unambiguous answer - yet!? Ok, I have to admit, I could have kept up the suspense by not giving away the main result of Jakob Agergaard's and colleagues' latest study in the headline, already. On the other hand, by giving away the most relevant information in the headline, I can make sure that future google searchers will immediately refute the claim that "vitamin D is a powerful muscle builder" - it is not. What it may very well be, is a vitamin that is necessary for your long-term success. This is still much different from what you may conclude solely based on the associations that exist between low vitamin D and all sorts of ailments, though. Evidence that vitamin D(3) supplements are able to reduce the risk of bone fractures, diabetes, cardiovascular diseases, cancer, depressio...
