Vitamin D3 performs a number of functions in the body. Many people know it only for its role in calcium absorption and therefore in promoting bone health, of which calcium is the building block. In reality, vitamin D3 also plays a key role in cardiovascular health, regulation of the immune system and inflammation, and muscle strength, to name a few. Several studies show that many people are deficient in vitamin D, mostly due to limited sun exposure in daily life. Other data show that deficiency is also widespread in sport, which is why dietary supplementation is often useful. Vitamin D3 is supported in its function of supporting bone mass by another vitamin, vitamin K2. Vitamin D3 promotes calcium absorption in the intestines, while vitamin K2 is responsible for storing calcium in the bones. The vitamin D3 used is obtained from the lichen Cladonia ranginifera, so VEGETAL D3 is a product suitable for those following a vegetarian and/or vegan diet. How to use: 1 capsule per day.