Vita OrthoCal-DK Tablets is a calcium supplement including vitamin D3 and Zinc, the secret is Vitamin K2, which significantly promotes cardiovascular health making Calcium supplement more effective. This formula is a combination of calcium, magnesium, zinc, vitamin D3 and vitamin K2 in one tablet. In addition, Vita OrthoCal-DK Tablets has a characteristics of maintaing strong bones and healthy blood.