Natural Factors Vitamin D3 LipoMicel contains an enhanced source of vitamin D3 in a patent-pending LipoMicel formulation to help prevent vitamin D deficiency. Vitamin D intake, when combined with sufficient calcium, a healthy diet, and regular exercise, may reduce the risk of developing osteoporosis in people with vitamin D deficiency. Each softgel delivers 2000 IU of vitamin D3 in a base of flaxseed oil and medium-chain triglycerides (MCTs) for enhanced absorption.