Nivagen Vitamin D3 Cholecalciferol 50,000 IU Once Weekly 12 Capsules CHOLECALCIFEROL (VITAMIN D3) ORAL CAPSULEVitamin D3 capsules 50,000 iu vitamin d is important for cardiovascular, neuromuscular, optimal bone, and immune health. It functions as a hormone, a chemical messenger with widespread effects in the human body. Adequate calcium and vitamin d throughout life, as part of a well-balanced diet, may reduce the risk of osteoporosis.Supplementation with vitamin d may be necessary to meet daily needs, since obtaining sufficient vitamin d from natural food sources and sun exposure alone can be difficult. Research shows that vitamin d3 (cholecalciferol) is approximately 87% more potent than vitamin d2 for raising and maintaining vitamin d blood levels. Please note: these statements have not been evaluated by the food and drug administration.This product is not intended to diagnose, treat, cure, or prevent any disease.abc: 10151088