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Vitamin D-3 4000 IU Vitamin D-3 4000 IU 90 caps.
4.66 €

Vitamin D-3 4000 IU 90 caps.

Min. expiration date: 2026-03
Shipping weight: 150g
4.66 € With VAT
0.05 € / serving
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  • Multi-directional influence on health
  • Strong and healthy bones for years
  • Powerful protection against bacteria
  • Autoimmune disease prevention
  • Cancer prevention
  • Support for circulatory system
  • Increased strength of skeletal muscles

Swanson Vitamin D-3 4000 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 4000 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.

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