Synergy Vita-D 50000 IU Tablets contain 1250mcg of cholecalciferol (Vitamin D3) making them an effective supplement for individuals with a Vitamin D deficiency. Optimal Vitamin D levels can be hard to achieve and sustain, and these tablets provide a convenient solution. With a single dose of 50,000 IU, they can provide a substantial boost, helping those in need to supplement their Vitamin D levels quickly and easily.