Do not exceed the recommended dose, and check whether you take vitamin D from other sources, as too much can be harmful. Importantly, vitamin K2 can interfere with blood-thinning medicines (such as warfarin). If you take an anticoagulant, do not use without consulting your doctor. Tell your doctor if you have kidney problems or high calcium. Discontinue if an adverse reaction occurs. Store in a cool, dry place. This product information is for general guidance only and does not replace professional medical advice. Always consult a qualified healthcare provider before starting any new medication or supplement. Keep out of reach of children.