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Vitamin D Supplements

There is a group of Vitamin D of which D-2 (ergocalciferol), and D -3(cholecalciferol) are chief for nutritional purposes.

The synthesis of Vitamin D occurs in the body under the influence of the ultra-violet rays of the sunlight. The epidermal cells of our skin contain large amounts of provitamin D. It is absorbed in the intestine in the presence of bile and fatty acids. Cholecalciferol undergoes transformation first in the liver and then transported via the blood from liver to the kidney where it undergoes another transformation to a compound which is 3-5 time more active than Vitamin D. This transformation takes place solely in the kidney, and this Vitamin D is thus regarded as a kidney hormone.

A study revealed that woman who live in sunny climes or spend a lot of time outdoors have a decreased risk of getting cancer, as Vitamin D from such exposure will slow cancer cell growth.

Vitamin D Supplements
Vitamin D 1,000 IU - 300 Tablets
Vitamin D 1,000 IU - 300 Tablets

Joint Comfort and Strong Bones. Vitamin D helps maintain joint comfort, and helps develop strong teeth and bones. Take one tablet daily with a meal.

Function of Vitamin D in Our Body

• It favors calcium absorption from the intestine by enhancing the rate of active transport of calcium across the intestinal wall.
• It promotes absorption of phosphate.
• It maintains normal structure of bone and helps in resorption of calcium from fully calcified bone and calcification of new bone.
• It governs equilibrium between the bone calcium and blood calcium by controlling mobilization of calcium from the bones.
• It regulates excretion of calcium and handling of phosphate by kidneys.
• It helps in development of normal teeth.
• It is responsible for proper bone growth by promoting endochondral growth of long bones.
• It increases the citrate content of bone, blood and other tissues, and urinary excretion.

Natural Sources of Vitamin D

Vitamin D is unique because it is derived both from sunlight and foods.

Sunlight: Vitamin D is synthesized by the body by the action of UV rays of sunlight of 7 dehydrocholesterol, which is stored in large abundance in the skin.
Foods: Vitamin occurs by only in the foods of animal origin. Liver, egg yolk, butter and cheese and some species of fish contain useful amounts. Fish liver oils, although not considered to be a food, are the richest sources of Vitamin D.
• Other sources of vitamin D are foods artificially fortified with vitamin D, such as milk, margarine, vanaspathi and infant foods.

Daily Requirement of Vitamin D

The RDA is 400-800 I.U. (10-20 mcg) for infants below 1 year, 400 I.U. (10 mcg) for children and up to 20 years I.U. (5 mcg) for adults, and 400-800 I.U. (10-20 mcg) for women in latter half of pregnancy and lactating period.

Note: 1 I.U. is equivalent to 0.025 mcg of calciferol.

Vitamin D Deficiency

Rickets: Vitamin D deficiency leads to rickets, which is usually observed in young children between the age of six months and two years. There is reduced calcification of growing bones. The disease is characterized by growth failure, bone deformity, muscular hypotonia, tetany and convulsions due to hypo-calcemia.
Osteomalcia: In adults, vitamin D deficiency may result in osteomalacia which occurs mainly in women, especially during pregnancy and lactation when requirements of vitamin D are increased.

bulletVitamin A (RETINOL)bulletVitamin B1 (THIAMINE)
bulletVitamin B2 (RIBOFLAVIN)bulletVitamin B3 (NIACIN)
bulletVitamin B6 (PYRIDOXINE)bulletVitamin B5 (PANTOTHENIC ACID)
bulletVitamin D (CALCIFEROL)bulletVitamin E (TOCOFEROL)
bulletVitamin K (MENADIONE)bulletVitamin B9 (FOLIC ACID)
bulletVitamin B12 (CYANOCOBALAMIN)bulletVitamin C (ASCORBIC ACID)
bulletPara Amino Benzoic Acid (PABA)bulletVitamin Inositol
bulletVitamin CholinebulletVitamin B8 (BIOTIN)

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 Nutritional Supplements Blog
Nutritional Supplements

Nutritional Supplements Guide - Complete Information on Nutritional Supplements and Vitamin Supplements. Also Read more about Herbal Supplements and other Dietary supplements.

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bullet Why Do You Need Vitamin Supplements?
bullet Reasons for Taking Vitamin Supplements
bullet Start Taking Nutritional Supplements for Natural Skin Glow
bullet Take Herbal Supplements to Retain Youth

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