D-One 5000 50s Tablets (Vitamin D3 5000 IU) is a dietary supplement that provides 5000 IU of vitamin D3 per tablet. This higher dose of vitamin D3 is commonly used to address significant vitamin D deficiencies or for individuals requiring elevated levels of vitamin D to support calcium absorption, bone health, and immune function. The product comes in a bottle of 50 tablets, offering a long-term supply for individuals who need higher doses of vitamin D for optimal health.