
₱1890.00
F-D3X is an advanced vitamin D supplement formulated with calcifediol (25-hydroxyvitamin D₃), the immediate precursor to the active form of vitamin D. Unlike ordinary vitamin D₃ (cholecalciferol), which still requires liver conversion, calcifediol is already hydroxylated allowing for faster, more efficient absorption and utilization by the body. Designed to raise vitamin D levels up to three times faster than standard D3 supplements and shown to be 3–5 times more potent, F-D3X is a powerful option for addressing vitamin D deficiency. By optimizing vitamin D status, it helps support strong bones, a healthy immune system, respiratory wellness, and overall energy and vitality.