CAD D 2000 30s is a dietary supplement that provides 2000 IU of vitamin D3 per capsule. Vitamin D3 is vital for promoting calcium absorption, supporting bone health, and enhancing immune function. This supplement is commonly used to prevent or treat vitamin D deficiencies and maintain overall health. The product comes in a bottle of 30 capsules, offering a one-month supply for individuals seeking to maintain optimal vitamin D levels.