Zinc is an essential trace element found in every cell of the human body. Zinc plays many diverse roles in enabling healthy growth and development and in promoting good health in general. Vitamin K is a fat-soluble vitamin. Vitamin K protects us from bleeding excessively due to cuts and wounds or due to internal bleeding. Vitamin K is required for the biosynthesis of some proteins found in plasma, bone and kidneys.
Vitamin D is a fat-soluble vitamin.
Our bodies produce it when exposed to sunlight. Vitamin D regulates blood levels of calcium within normal limits. It aids the intestines in absorption of calcium and phosphorus. Most foods have little or no vitamin D, and few foods are fortified with it. However, our bodies can produce it with exposure to sunlight.