Health Aid Vitamin D3 1000 IU is a daily supplement containing cholecalciferol (Vitamin D3) in a convenient 30-tablet pack. Each vegetarian tablet provides 1000 IU of Vitamin D3 to support bone health, calcium absorption, and immune system function. Vitamin D3 is known as the 'sunshine vitamin' as it can be produced by the body when skin is exposed to sunlight. This supplement is particularly beneficial for those with limited sun exposure or increased nutritional needs. The one-a-day formula is designed to help maintain normal calcium levels, support proper muscle function, and contribute to overall bone health. The tablets are suitable for vegetarians and come in an easy-to-take format.