What is vitamin D?
Vitamin D is the supplement that regulates both phosphorus and calcium in our bodies. Without adequate vitamin D, our bodies will not properly utilize the calcium we take to make our bones stronger. Vitamin D is the prohormone that our bodies use to transport calcium from the intestines through the blood to the bones, heart, brain, lungs, and other organs that require this important nutrient.
Sources of vitamin D:
Vitamin D² (ergocalciferol) comes from plants...

