Vitamin D
Posted: November 20th, 2009 | Author: admin | Filed under: Vitamin | Tags: Vitamin, Vitamin D, Vitamin Supplements | No Comments »
A fat-soluble vitamins, vitamin D has two major forms are vitamin D2 or ergocalciferol, and vitamin D3 or cholecalciferol. Vitamin D2 is synthesized by plants, whereas vitamin D3 is synthesized by the body. Vitamin D is naturally present in a variety of food sources and dietary supplements and is also produced sunlight. It is reached by the body against UV-B and UV-B from sunlight produces the skin. The liver and kidneys convert can help to produce vitamin D to the active hormone.
Functions of vitamin D
Vitamin D plays multiple roles in the maintenance of organ systems. For example:
* Vitamin D helps regulate calcium levels in the blood. Because it works more like a hormone in its active form, calcitriol acts with parathyroid hormone or PTH. If the calcium level is low, could this cause the secretion of PTH, which can stimulate the conversion of vitamin D to calcitriol. Calcitriol then act to increase calcium absorption in the intestine, the absorption of calcium in the kidneys and stimulates the release of calcium from the bones.
* Vitamin D helps maintain phosphate levels in the blood. Small amounts of vitamin D may lead to an overactive thyroid. Even with insufficient phosphorus in the body of the bone can not undergo normal mineralization.
* It is also said that vitamin D and the benefits of T-cells of the immune system or immune cell receptors for vitamin D. It works by preventing the phagocytosis, to modulate the functions of the body to fight cancer, immunity and inflammation, and neuromuscular function . reduce
* Vitamin D is also responsible for the maintenance of normal cell growth and function. It can be important in the prevention and treatment of cancer. It has been suggested that vitamin D plays a role in the regulation of growth and function of brain cells.
* The study lays close to that vitamin D plays because of its anti-inflammatory effect, a role in protecting against osteoporosis, hypertension, cancer, type 1 diabetes, psoriasis and many autoimmune diseases, immune. Read the rest of this entry »
