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The body needs vitamin D to absorb calcium. Without enough vitamin D, one canât form enough of the hormone calcitriol (known as the âactive vitamin Dâ). This in turn leads to insufficient calcium absorption from the diet. In this situation, the body must take calcium from its stores in the skeleton, which weakens existing bone and prevents the formation of strong, new bone. You can get vitamin D in three ways: through the skin, from the diet, and from supplements.
Vitamin D aids the body's absorption of calcium. It is a a fat-soluble vitamin, meaning it is stored in the liver and fatty tissues. Vitamin D is essential for bone strength, hardness and growth, but is found in very few foods.The main source of vitamin D is sunlight, although it is added to some foods.f you take a supplement, try salmon over a leafy green salad to get both vitamins C and D with your calcium. A glass of vitamin D-fortified milk is another great way to get calcium in your diet. Not only does it pair calcium with vitamin D, but the lactase in the milk even helps your body absorb the calcium.