Vitamin D3 (Cholecalciferol) is a vital nutrient that supports bone health, promotes immune function, and may enhance mood. Solgar's Vitamin D3 is derived from sources and is designed to support the proper metabolism of calcium and phosphorus in the body. This product is non-gmo and suitable for vegetarians, ensuring that those who adhere to strict dietary requirements can benefit from this essential vitamin. Regular intake of Vitamin D3 is important for maintaining strong bones, dental health, and overall wellness. Solgar's commitment to quality means that this supplement goes through thorough testing to meet their standards for performance and purity.