Vitamin D Supreme 180cDesigns for Health Vitamin D Supreme is a dietary supplement providing vitamin D3 with vitamin K in K1 and MK 7 form of K2. This formulation provides higher doses for those situations where aggressive repletion is necessary. Both vitamin D and K support optimal bone and arterial health while maintaining the proper balance of the immune system. Vitamin D Supreme can be beneficial for those whose diet does not support the intake of vitamins D and K and