D-One 1000 50s Tablets (Vitamin D3 1000 IU) is a dietary supplement that provides 1000 IU of vitamin D3 per tablet. Vitamin D3 is essential for calcium absorption, bone health, and supporting immune function. This supplement is commonly used to maintain healthy vitamin D levels and prevent deficiencies. The product comes in a bottle of 50 tablets, offering a sufficient supply for individuals looking to support overall health and wellness with regular vitamin D intake.