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Odżywki i suplementy
Since 2005
Vitamin D-3 2000 IU 250 caps.Swanson |
8.15 $
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| Servings: 2000 IU 250 caps. |
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1-2 | |
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| Location: EU Stock |
Availability: NONE |
Working days from the dispatch |
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Vitamin D3 2000IU 180 caps. Apollo's Hegemony |
8.15 $ |
Swanson Vitamin D-3 2000 IU is a unique dietary supplement containing a large dose of cholecalciferol – the form of vitamin D found in products of animal origin. It is converted in the liver directly to 25-hydroxycholecalciferol, and then in the kidneys to the most powerful form – calcitriol.
Not so long ago, it was believed that the only activity of vitamin D is its regulatory effect on calcium management and bone mineralisation. However, the advancement in medicine allowed to discover entirely new, revolutionary functions of the wonderful substance.
Support for bone mineralisation
The function of vitamin D that has been known for years is its positive effect on the processes of bone mineralisation. The activity is possible thanks to three mechanisms. The first one is its ability to synthesise a specific protein that increases calcium absorption in the small intestine.
The second one is the regulation of phosphorus absorption, the element that constitutes calcium’s natural competitor in the organism. Lastly, calcitriol also supports calcium deposition in the organism and helps to incorporate it in bone cells. All that guarantees that bones are in a good condition for years and years, and helps to prevent a very serious disease – osteoporosis.
Fight against microorganisms
The activity of vitamin D discovered relatively recently is its stimulant effect on the immune system. Numerous studies confirm that by stimulating the production of specific cytokines, it makes the organism react more fiercely to the invasion of pathogenic bacteria.
Moreover, it has been discovered that it initiates the synthesis of a unique protein with strong microbicidal properties. The mechanisms are of great help when it comes to strengthening the organism in the fight against microorganisms, especially in winter and autumn.
Immune response regulation
In recent years, a significant increase in the incidence of the so-called autoimmune diseases could be observed. It is an enormous group of serious diseases, including multiple sclerosis, Hashimoto disease, inflammatory bowel disease, or type 1 diabetes.
Tests have confirmed that the cells of the active immune system, such as Th and B lymphocytes, are equipped with vitamin D receptors. Thanks to that, it affects them directly, inhibiting their excessive, pathological activity. It also regulates their influence on the organism, which is the basis of the above-mentioned diseases.
Cancer prevention
Another revolutionary discovery regarding the activity of the vitamin was its protective effect in the development of neoplastic diseases. Tests confirm that it has a great effect on the prevention of about 17 types of cancer, including breast, uterine, prostate, or gastric cancer.
Vitamin D significantly limits the accumulation of mutations in the human genome, which constitute the basic factor of carcinogenic processes. It also has the ability to inhibit the development of cancer cells and the occurrence of metastasis.
Healthy circulatory system
Arterial hypertension is one of the most common circulatory system diseases, which greatly increases the risk of developing atherosclerosis and a cardiac arrest. Tests conducted in recent years confirm that vitamin D exhibits the ability to regulate blood pressure and prevents the ischaemic heart disease.
Increased muscle strength
Little-known activity of vitamin D is its effect on the normal functioning of skeletal muscles. Even mild deficiencies of the vitamin result in a significant decrease in muscle strength, and proper supplementation helps to prevent it. Moreover, researchers have noticed that in people with the right concentration of calcitriol, physical activity brings much better results.
To sum up, Swanson Vitamin D-3 2000 IU is a dietary supplement with a very wide range of effects. Apart from protecting the skeletal system, it also supports the organism in the fight against microorganisms, cancer, and autoimmune diseases. It can be additionally used by athletes who want to improve the results of their workout even more.
| per 1 capsule | amount | %RDA |
|---|---|---|
| Vitamin D-3 (Cholecalciferol) | 50 mcg | 250% |
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Vitamin D belongs to fat soluble vitamins, occurs in three forms: calciferol (vitamin D1) ergocalciferol (vitamin D2) and cholecalciferol (vitamin D3), it is formed under the action of sunlight for at least 15 minutes per day. In the absence of sunlight it should be administered in the diet in the form of fish oil (Vitamin A + D3) and fish oils. It is responsible for the absorption of calcium and phosphorus. It is the building substance of bone tissue particularly necessary during pregnancy, childhood, and for athletes. It is a component of dietary supplements and nutrients among competetive athletes. Deficiency of vitamin D causes children growth inhibition, and rickets.
For adults - deficiency causes osteomalacia.
Excess of vitamin D causes headaches, alopecia, nausea, drowsiness, blurred vision, pain in the long bones, the deposition of calcium deposits.
Dosage: 400 IU units during the day.
Cholecalciferol, or vitamin D3, is an organic chemical that belongs to the family of D vitamins. It is naturally found in fatty fish, fish oil, egg yolks, milk and dairy products. It is also synthesized in the human body. It is formed from 7-dehydrocholesterol present in the keratinocytes of the spinous and the basal layers of the epidermis, and a pre-requisite for initiating this process is the action of 290-315 nm wavelength UVB radiation on the skin.
Cholecalciferol is a biologically inactive compound. In the body, it undergoes enzymatic hydroxylation – first in the liver, with the participation of 25-hydroxylase, when calcidiol is formed and secondly in the kidneys, where under the influence of 1-α-hydroxylase, calcidiol is converted into the final active form – calcitriol.
The most important role of vitamin D3 in the body is the regulation of calcium-phosphate metabolism, which directly affects normal skeletal mineralization. In addition, it is involved in cell proliferation and differentiation, insulin secretion, as well as in some functions of the nervous, endocrine and immune systems.
Cholecalciferol is the most popular form of vitamin D used in dietary supplements. Studies show that supplementation with vitamin D in this form most effectively and rapidly raises the level of 25 (OH) D3 – a metabolite that is a marker of the level of vitamin D in the body.
Dosage: according to RDI standards for individual age groups.
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