Solgar Vitamin D3 (Cholecalciferol), 1000 IU (25 mcg), 100 SoftgelsSolgar Vitamin D3 (Cholecalciferol), 25 mcg (1000 IU), 100 Softgels, is a dietary supplement designed to support overall health. Vitamin D3 is essential for promoting calcium absorption, which is crucial for maintaining healthy bones and teeth. This product also supports a healthy immune system and neuromuscular function. The Vitamin D3 in these softgels is the same form that the body produces when the skin is exposed to sunlight. As people age, their