Smart Body's Vitamin D3 + Vitamin K2 includes two nutrients that have been extensively studied for their positive impact on bone and dental health, as well as cardiovascular well-being. Vitamin D3 plays a crucial role in facilitating calcium transport and absorption. Recent research suggests that it may also be involved in regulating insulin activity, glucose metabolism, and immune system function. Vitamin K is essential for the formation of a robust and healthy bone structure. Additionally, it supports proper calcium metabolism within vascular structures, contributing to arterial health. Vitamin K2, included in this formula, is a highly active and biologically accessible form of Vitamin K.