- What Is Vitamin K?
First recognized by a Danish scientist in 1929, Vitamin K is a huge help to the body. It not only assists blood with clotting, Vitamin K also helps build bone strength by helping to make a protein called osteocalcin that binds calcium, which indicates that vitamin K may play a role in preventing osteoporosis. Learn more about this important vitamin on this page.
- Foods That Contain Vitamin K
Some vitamin K is produced naturally in the body with the help of bacteria; however, it's our responsibility to include vitamin K in our diet, as well. A number of foods contain vitamin K, including green, leafy vegetables such as spinach, broccoli and lettuce, and beef, chicken and pork liver. Green tea is a wonderful source of vitamin K. In this section, learn which foods are the best vitamin K sources.
- Vitamin K Deficiency
Despite eating a healthy diet, sometimes vitamin K deficiency can occur. Liver or gall bladder disease, or any disease of the intestinal tract that interferes with absorption of fats, can cause a deficiency. So can long-term antibiotic high-blood cholesterol medication. Newborn babies are born without the bacteria needed to create vitamin K. Find out what factors can contribute to vitamin K deficiency.
- Vitamin K Supplements
As with newborn babies, or certain liver, gall bladder or intestinal tract disease patients, vitamin K supplementation is sometimes needed. But how much, and who needs it? In this section, we take a look at why babies receive vitamin K right after birth and who else will need to be on the look out for vitamin K deficiency. Too much vitamin K is toxic, so being informed is key.
- Vitamin A is the vitamin found in carrots that improves eyesight. Learn more about this key vitamin in How Vitamin A Works.
- Vitamin B3, also called niacin, assists other substances in the conversion of protein, carbohydrate and fat into energy. Learn more in How Vitamin B3 Works.
- How Vitamin C Works will show you how this vitamin can strengthen your immune system.
- Discovered only about 60 years ago, Biotin assists in several metabolic reactions. Learn more about it in How Biotin Works.
- Vitamin B12 has a a chemical structure much more complex than that of any other vitamin. Learn about this vitamin How Vitamin B12 Works.
- To learn about the many vitamins in our diet, how much you should be eating, and where to find them, go to our general Vitamins page. .