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SupDoc™ Vitamin D3 + K Complex is a high-potency, synergistic formula designed to support bone integrity, immune function, and cardiovascular health. Thoughtfully formulated with vitamin D3 (cholecalciferol), vitamin K1, vitamin K2 (MK-4), and trans-geranylgeraniol (GG-Gold®), this complex supports proper calcium utilization and overall mineral balance in the body.