CALCIUM IS A GREAT ALLY IN TRAIL RUNNERS DIET Calcium is a mineral present in high quantities in the human body and is important for bones, teeth, muscles, stimulation of cellular metabolism and, finally, the balance of the nervous system. In endurance sports, such as trail running, calcium plays a key role in performance. Let’s analyze together how calcium interferes with our body. Why is calcium an essential mineral for endurance sports? A calcium deficiency can cause various problems to…