✔High-Strength Formula –4000IU Vitamin D3 + 100μg K2 (MK-7) per tablet formaximum benefits. Adults looking forhigh-potency Vitamin D3 & K2. ✔Optimal Bone & Heart Health –Vitamin D3 enhances calcium absorption, whileK2 (MK-7) directs it to bones and teeth, preventing arterial calcification.