Carlson Labs Kid's Healthy Growth Super Daily D3 + K2 Liquid combines two of the most important nutrients to support optimal bone, teeth, and cardiovascular system health. Vitamin D3 is important for calcium transport and absorption, and MK-7 is critical for the formation of a strong bone matrix. MK-7 also supports healthy blood clotting, arterial health, and cardiovascular system function. The MK-7 found in Kid's Super Daily D3 + K2 is natural and highly bioavailable. Provide your children with the nutrients they need for optimal bone health with Super Daily D3 + K2.