Source Naturals, Vegan True Non-GMO Vitamin D-3, 2,000 IU, 120 VegCapsProduct Description Vegan true non gmo vitamin D 3 is a non gmo, organic, and vegan form of vitamin D sourced from algae. Bodies manufacture vitamin D when the skin is exposed to UV radiation from sunlight, but ability to do so decreases as age. Insufficient amounts of sun exposure as well as aging create a risk of vitamin D deficiency. Vitamin D is important for immune function and a positive mood, and vital for the maintenance of healthy bones and