Vitamin D3 High Potency 1000 IU (25 mcg) - 60 caps.

Supports bone health, as well as immune and cardiovascular system health. Aids in calcium absorption in the body. The most biologically active form of vitamin D. Swanson Vitamin D-3 is an important vitamin for maintaining bones, which promotes effective calcium absorption in the body. The body produces some vitamin D on its own when exposed to sunlight, but for people living in northern latitudes where sun exposure is limited in winter, natural vitamin D in the body may often be insufficient. Our high potency Vitamin D-3 capsules address this issue.