Mensfitness.com 5/16/2017
“… They looked at the way vitamin D levels and exercise amounts affect heart health, and found that there seems to be a direct relationship between the exercise and vitamin D that supersedes the health benefits of either factor by itself. …”
Read the entire article: http://www.mensfitness.com/nutrition/supplements/mix-vitamin-d-and-exercise-make-your-heart-healthier