There can be nutritional deficiency in the body which can be treated by the consumption of Vitamin K2-7 With Calcitriol Calcium Carbonate, Boron Zinc Tablets. These tablets are the combination of three major nutritional supplements including Vitamin K2-7, Calcitriol Calcium Carbonate as well as Boron Zinc, all of which are unique in their own compositions. Vitamin K2-7 is a nutrient that helps with bone and heart health. Calcium citrate promotes bone calcium deposition. Boron zinc, on the other hand, is required for bone development and maintenance.