What is Vitamin DWhat is Vitamin D Vitamin D is a fat-soluble vitamin, carried in the blood stream and stored mainly in your liver. Your liver converts substances to vitamin D and once converted the vitamin D will help your body absorb and use calcium. Your skin also manufactures vitamin D when it's exposed to sunlight. It can produce as much as 400 IU (International Units) in 20 minutes of sunlight.
Benefits of Vitamin D Vitamin D's primary benefit is developing bone health and preventing bone diseases, such as osteoporosis and rickets. It helps regulate your immune system, cardiovascular system, and blood pressure. Too little vitamin D can cause weakness in the bones and teeth and hurt the immune system. Too much vitamin D can create toxicity issues like kidney disease, vomiting, high blood pressure, and nausea. Vitamin D Foods You can find vitamin D in cod liver oil, egg yolks, fish, butter, and vitamin-D milk. Its recommended daily intake is 200-400 IU a day. You can run into toxicity issues if you are consuming greater than 1,000 IU daily for at least a month.
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