Health Articles : Vitamins and Supplements : Vitamin D
Vitamin D : How Much Vitamin D
Cortisol And Vitamin DVitamin is a chemical substance, which is derived from another compound called steroid. The name of the parent compound for steroid is ..... Vitamin D is a fat soluble vitamin that is found in food and can be made in the body after exposure to ultraviolet (UV) rays from the sun. Sunshine is a significant source of vitamin D as UV rays from sunlight trigger vitamin D synthesis in the skin. Vitamin D exists in several forms, each with different level of activity. Calciferol is the most active form of vitamin D and other forms are relatively inactive in the body. The liver and kidney help convert vitamin D to its active hormone form. Once vitamin D is produced in the skin or consumed in food it requires chemical conversion in the liver and kidney. Active vitamin D functions as a hormone because it sends a message to the intestines to increase the absorption of calcium and phosphorus.
Nutrient deficiencies are usually the result of dietary inadequacy, impaired absorption and utilization, increased requirement or increased excretion. A deficiency of vitamin D can occurs when usual intake is below recommended levels, when there is limited exposure to sunlight, when the kidney cannot convert vitamin D to its active hormone form, when someone cannot adequately absorb vitamin D from the digestive tract. Vitamin D deficient diets are associated with milk allergy, lactose intolerance, and strict vegetarianism. Rickets is more prevalent among immigrants from Asia, Africa, and Middle Eastern countries for variety of reasons. In adults, vitamin D deficiency can lead to osteomalacia, which results in muscular weakness in addition to weak bones.
It can be difficult to obtain enough vitamin D from natural food sources. Many people, consuming vitamin D fortified foods and adequate sunlight exposure which is essential for maintaining a healthy vitamin D status. In some groups dietary supplements may be needed to meet the daily need for vitamin D.
Vitamin D ResearchThe human body requires all kinds of vital ingredients in order to stay fit and healthy. Each one knows about the importance of carbohydrates, proteins, .....
Vitamin D toxicity can cause nausea, vomiting, poor appetite, constipation, weakness, and weight loss. It can also raise blood levels of calcium and causing mental status changes such as confusion. High blood levels of calcium also can cause heart rhythm abnormalities. Calcinosis, the deposition of calcium and phosphate in the body's soft tissues such as the kidney, can also be caused by vitamin D toxicity.
How Much Vitamin DVitamin D is a fat soluble vitamin that is found in food and can be made in the body after exposure to ultraviolet (UV) rays from the sun. Sunshine is a significant .....
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