7-dehydrocholesterol (sometimes known as provitamin D3) is a chemical that, in the presence of ultraviolet light, is converted by the body to previtamin D3 which is then isomerized into Vitamin D3.
... town is 90.49% White, 3.63% African American, 0.16% Native American, 1.05% Asian, 0.03% Pacific Islander, 2.62% from other races, and 2.03% from two or more races. 9.15% of ...