Vitabiotics Ultra-D3 is a vitamin D supplement containing 1000 IU per tablet, packaged in a 96-tablet box. This optimum strength formula helps maintain immune system function, bone health, and cardiovascular function through adequate vitamin D supplementation. The product provides 25μg (1000 IU) of vitamin D3 per tablet, which is known as the 'sunshine vitamin'. Vitamin D3 is essential for calcium absorption and utilization in the body, contributing to normal bone and muscle function. The tablets are designed for easy consumption and come in blister packs for convenient storage and protection. As this is a dietary supplement, it should be taken as directed and stored in a cool, dry place away from direct sunlight.