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Latest Articles - Luxury

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Vitamin D

Sunday, 17 January 2010

vitamin dAmong the groups of fat-soluble vitamins appears the considerable and prominent Vitamin D aka calciferol as called by many health workers. And this is exceptional vitamin since it functions to be independently generated by the organism, first of all. However, Vitamin D should still be consumed as the ingredient in the food diet.  Second, Vitamin D has a significant impact onto the endocrine activity when calciferol makes in the organism functions of the vitamin and the hormone.

Nonetheless, if you would like to deem the issue thoroughly, then you should know that Vitamin D is not the hormone itself but it is the product of the vitamin metabolism, dioxycholecalciferol that stimulates the reverse intake of calcium ions by muscles and renal tubules. It also activates the synthesis of specific transport proteins that make it easy to absorb calciferol into the bowels. And, third, Vitamin D is presented as two organic compounds, namely cholecalciferol and ergocalciferol. The biologic capacities of them are quite related though the origin is different. Thus, if ergocalciferol comes into the organism with the food, it is produced in the skin when it is exposed to the ultraviolet spectrum, though there are cases when the «hypodermic» Vitamin D fully compensates the daily need of the organism in calciferol.

We shall better consider the impact of these vitamins onto the organism from the biological point of view. First, the exchange of calcium ions works here, the exchange of main mineral elements that allow the strength of the bone tissue of the human skeleton. Insufficient intake or production of Vitamin D in the organism results in demineralization of bone tissues, which is the elution of the calcium ions from the bones. In its turn, low concentration of calcium in the organism furthers osteomalacia and weakness of the skeletal muscular system, while children with insufficient calcium show growth lagging and deformation of large bones.

Therefore, the insufficient amount of Vitamin D in the organism shows immediate adverse effects onto the health. Rickets is the usual disease for children with low calcium in the organism. The clinical finding of this diseases emphasize muscle weakness, fragility and deformation of bones, asthenia, developmental lagging, pathology in neural tissues and hemopoietic organs, and in severe cases the lack of Vitamin D brings to acute impairment of functional activity of internal organs and systems of the human organism. The lack of Vitamin D is not that emphasized in adults, though such particular symptoms as muscle weakness, rapid fatigability, pain in large bones, limping and sense shock are still the same for both adults and infants.

In addition, Vitamin D takes an active part in the metabolism of phosphorus and magnesium which are essential for the proper functioning of the organism. Thus, phosphorus is fundamentally required to ensure the harmonious and well-ordered work of all the structures of the central nervous system. It is also a component of the well-known adenosinetriphosphoric acid which is the main source of energy for the appropriate functioning of all vital cells of the human body!  Magnesium has its vital effect to support the cardiac function, metabolism of a hundred of enzymes, yet, it is the component of such significant cell structures as ribosomes being elements that takes a part in the synthesis and transportation of protein.

And one should be aware of the way to compensate the lack of calcium in the organism and avoid the consequences of hypovitaminosis, yet, approximately 10 μg of calciferol daily intake with the food is enough. And this is interesting that the mentioned amount is not different for various ages. It is likely stipulated with the fact that as we grow adults, the growth of bones significantly suspends in spite of the increase in mass of bone tissues, and thus, leading to lowering in need for the Vitamin D calculated for 1 kg of the body weight. However, from the age of fifty the health status slightly changes when the bone tissue gets more brittle and needs higher concentration of the Vitamin D.

Fish oil contains the highest stock of Vitamin D. Also diary products and egg yolks have plenty of calciferol. Among the vegetable kingdom «record breakers» are mushrooms, parsley, nettle and others.

The same as with medications and even herbs we should always consider the aspect of over dosage. If you intake more calciferol than your organism needs, you will react with polyuria (increased urination) and you definitely have problems with your skin. Sometimes the signs of over dosage are like the symptoms of hypovitaminosis D, and hence, the laboratory analyses are primarily essential to diagnose the increased concentration of calcium in blood and urine, which allows avoiding mistakes.

We are not going to play around with our health. We should be careful and tender with what we have to live.

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