NATURAL FACTORS Vegan SunVitamin D3 1000 IU (180 veg caps)Natural Factors Vitamin D3 is sourced from wild harvested lichen. This unique non GMO formula was developed especially for vegans and vegetarians, who are more likely to lack this essential nutrient. It provides the most bioactive form of vitamin D3, cholecalciferol, for strong bones and a healthy immune system. Provides easily absorbed vitamin D3 from lichen Ideal for vegans and strict vegetarians Helps prevent vitamin D deficiency Improves calcium