Prairie Naturals Vegan Vitamin D3 - 2500 IU - Vitamin D plays an important role in maintaining healthy bones and teeth by regulating the levels of calcium and phosphorus in the bloodstream. Both regular vitamin D3 and vegan vitamin D, when taken in appropriate doses, can help prevent a lack of vitamin D. A sustainable plant-based source of Vitamin D3 derived from lichen that is suitable for both vegans and vegetarians. It is the same natural form of D3 that our body produces to protect our cells when exposed to sunlight, making this a highly absorbable source of vitamin D3. With Vitamin D2 sourced from organic and non-GMO high vitamin D mushroom powders that is considered a whole food with no carriers or additives.