WHY CHOOSE NUTRAVITA VITAMIN D3 3000IU & K2 100MCG?. Backed by the claims researched by EFSA, the following are the benefits of Vitamins D and K Vitamin K, also known as the clotting vitamin is a fat-soluble group of vitamins that is a key factor in blood clotting as it is needed to produce prothrombin, a protein that is one of the clotting factors.
