WHAT IS VITAMIN D3? Vitamin D3 is a fat-soluble vitamin which can either be ingested in food or manufactured by the body as a result of sunlight falling on the skin. Modern lifestyles have decreased the exposure we get to the sun, which has made it more important to monitor potential deficiency. OUR VEGAN VITAMIN D3 1000iu Our Vitamin D3 supplement is made from the natural lichen; a composite organism that arises from algae. Lichen contains incredibly concentrated amounts of vitamin D3, which allows us to produce one of the highest-quality vegan vitamin D supplements available. WHAT DOES VITAMIN D3 DO? Vitamin D contributes to normal: Function of the immune system Absorption/utilisation of calcium and phosphrous Normal blood calcium levels Maintenance of normal bones Maintenance of normal muscle function Maintenance of normal teeth Process of cell division