What vitamins are made in the body?

What vitamins are made in the body?
When you think of vitamins, you might consider taking supplements orally and go to the vitamin aisle of the pharmacy. In fact, some vitamins are in the human body. These are not the norm, but the body produces small amounts of some vitamins. It 'can still be deficient in these vitamins because of illness or other factors, so talk with your doctor if you think you have a vitamin deficiency, because integration would still be necessary.
Vitamin K
Vitamin K is a fat soluble vitamin, which means that the body is able to store this vitamin in the tissues of the body. It helps the blood to clot and helps to promote bone health. Vitamin K is obtained only with green leafy foods, but also by bacteria in the gut, which is why a deficiency of this vitamin is extremely rare. If it is long-term antibiotics, has a liver disease or are taking certain medications, may be at risk for a deficiency of vitamin K.
Pantothenic acid
Pantothenic acid, also called vitamin B-5, is found naturally in the body in all living cells, such as an enzyme called coenzyme A, or CoA, says Linus Pauling Institute. CoA is an enzyme crucial for the synthesis of serotonin, obtaining energy from food, synthesize steroid hormones and heme synthesis, part of hemoglobin. The bacteria in the colon also help to produce this vitamin. A deficiency of pantothenic acid is rare, and usually has only been seen with severe malnutrition in humans.
Vitamin D
Adequate blood levels of calcium and phosphorus are regulated by vitamin D and this vitamin also helps the body absorb calcium better. It may also help reduce the risk of cancer and other diseases. Of different subtypes of vitamin D, vitamin D3 can be produced by the human body when the skin is exposed to ultraviolet-B rays of the sun. Even 10 minutes of sun exposure is thought to be sufficient to prevent a deficiency of vitamin D.
Biotin
Biotin, also known as vitamin H, also known as one of the B vitamins, is needed to metabolize carbohydrates and fats. Biotin helps to synthesize fatty acids, amino acids and glucose, and helps metabolize energy. The bacteria in the gut to make a small amount of biotin, and this vitamin can also be found in food. When the integration is necessary, you can take supplements of biotin or take a general B-complex supplement. What vitamins are made in the body?

source:
http://www.livestrong.com/article/439826-what-vitamins-are-made-in-body/