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Vitamin D3 supplements are fat-soluble nutritional supplements. Vitamin D is critical for the normal function and health of the human body, and vitamin D3 is one of its forms. Since people can get vitamin D3 from the sun and a range of foods, supplementing isn’t always necessary. Many people, however, take a supplement because they are concerned they do not get enough vitamin D naturally and want to avoid the health problems that are related to deficiencies of the vitamin. Vitamin D3 supplements are most commonly taken in gel form, but are also available in tablet, powder, and liquid form.
There is more than one type of vitamin D, and vitamin D3 is one of two types that are considered the most critical for human health. Unlike vitamin D2, which is produced inside of plants, vitamin D3 is produced inside the human body. It is synthesized when ultraviolet rays hit the skin. While vitamin D3 supplements may be most beneficial for those who live in cold, cloudy climates and do not get a lot of ultraviolet ray exposure, others may supplement with it as well in order to achieve optimum health.
Vitamin D3 supplements may prove beneficial for the body in a number of ways. For starters, vitamin D3 is important for the maintenance of optimum calcium and phosphorus levels in a person’s blood. This vitamin is also important for the development and maintenance of strong bones, as it helps with calcium absorption. Some studies have also uncovered evidence that vitamin D3 may help prevent a range of diseases and conditions. For example, it may help prevent high blood pressure and osteoporosis; some evidence even suggests that the vitamin helps prevent some types of cancer and obesity.
While vitamin D3 supplements can have some very important health benefits for the body, it is possible to take too much of this vitamin. When individuals take too much, effects may include appetite loss, kidney problems, and nausea and vomiting. Even high blood pressure may result from the excessive intake of vitamin D3.
An individual may do well to speak with his doctor before beginning vitamin D3 supplementation. This way, he can discuss the ways he may already get vitamin D3 with his doctor and determine what the right level of supplement intake may be for him. An individual may also consider the opinions of health experts when beginning vitamin D3 supplementation.