Hi Dee Vitamin D3 50,000 IU contains cholecalciferol in soft gelatin capsules. This high-potency vitamin D supplement helps maintain bone health, supports calcium absorption, and boosts immune function. Each pack contains 8 capsules. Vitamin D3 (cholecalciferol) plays an essential role in calcium and phosphorus absorption, which is crucial for bone formation and mineralization. It helps prevent vitamin D deficiency and supports overall bone, teeth, muscle and immune health. This supplement may be beneficial for those with limited sun exposure or increased vitamin D requirements. The soft gelatin capsule formulation allows for optimal absorption.