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Vitamin D3 Vitamin D3 20.000IU 100 tab.
£ 16.76

Vitamin D3 20.000IU 100 tab.

Servings: 20.000IU 100 tab.

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  • Supports the proper functioning of the nervous system
  • Helps to maintain healthy bones and teeth
  • Reduces the risk of Alzheimer's disease
  • Accelerates the regeneration of bone injuries
  • Supports the functioning of the circulatory system
  • Regulates insulin secretion
  • Supports the process of knowledge acquisition

Aliness Vitamin D3 20,000 IU is a dietary supplement based on vitamin D3 in the form of highly absorbable cholecalciferol, obtained from lanolin. The preparation helps to replenish the deficiencies of this vitamin that are common among people living at higher latitudes.

Vitamin D3 is one of the basic vitamins essential for life. Though it can be produced endogenously to some extent, there must be certain conditions fulfilled for the body to synthesize it. The production of vitamin D3 occurs in the skin with the participation of UVB radiation, so for such synthesis to take place, the body must be exposed to sunlight.

At moderate latitudes, this is only possible in the summer, because as for the rest of the year, even if there are sunny days, lower temperatures force us to wear a thicker coat. Therefore, supplying the body with an additional dose of vitamin D3 in food and supplementation is necessary among the inhabitants of the northern parts of Europe. When it comes to the natural sources of vitamin D3, it most abundantly occurs in fatty animal products. These are mainly fish, milk or cheese.

Vitamin D3 – essential for strong bones
One of the basic functions of vitamin D3 is the regulation of calcium and phosphate metabolism in the body. Thanks to this, calcium and phosphates derived from food are properly absorbed, so that they can perform their function, and will not be prematurely exerted from the body.

The proper level of vitamin D3 is especially important during recovery after fractures or minor bone damage. Proper bone rebuilding requires the right amount of inorganic phosphorus, which reaches its form as a result of transformations that cannot take place without the vitamin D3. Due to the above-described properties, cholecalciferol facilitates bone mineralization, thus accelerating their reconstruction. However, this process is not only important during injury healing. All body bone cells are constantly reproduced, so to have strong bones, ensure the correct level of vitamin D3 at all times.

The significance of vitamin D3 in the proper functioning of the nervous system
Vitamin D3 is necessary not only to rebuild bone tissue but also nerve cells. The right amount of cholecalciferol positively affects the whole nervous system because it supports, among others, the reconstruction of neurons and interneuronal connections.

It is worth to note that the process of knowledge acquisition requires the body to create new nerve connections, mainly in the brain. This means, therefore, that without vitamin D3 it is difficult to memorize information, as well as to shape proper motor habits. Extreme cases of failure in neuronal reconstruction lead to Alzheimer's disease or senile dementia. They are, of course, the result of aging, however, good care for an adequate supply of vitamin D3 allows for delaying the risk of their development.

Vitamin D3 and cardiovascular health
Cholecalciferol is also an ingredient that is used to maintain good cardiovascular health. This is primarily influenced by two factors. Firstly, cholecalciferol may reduce the risk of hypertension that may, in turn, lead to vascular injuries, strokes or heart failure. Secondly, it may favorably affect the amount of protein that is part of the so-called "good cholesterol" (HDL). Consequently, it helps to avoid another dangerous disease, known as civilization disease, i.e. atherosclerosis.

Speaking of civilization diseases, vitamin D3 may also reduce the symptoms of diabetes. This is because the vitamin can regulate the production of insulin, which is responsible for reducing blood sugar "spikes".

What may be particularly important for men is the fact that cholecalciferol also shows the ability to stimulate sperm proliferation in the testicles. This may increase fertility and improve the quality of genetic material.

To sum up, Aliness Vitamin D3 20,000 IU is a supplement that helps to supply the body with the right amount of an extremely important ingredient, i.e. vitamin D3. Thanks to this, it affects the proper functioning of the circulatory and nervous systems, and also supports the reproduction of bone and dental tissues, increasing their durability and resistance to damage.


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Container size: 100 tabletsServing size: 1 tabletServings per container: 100
per 1 tabletamount%DV
Vitamin D3 (as cholecalciferol from lanolin)500 µg10 000%

Other ingrednients

Bulking agent: calcium phosphate, microcrystalline cellulose, anti-caking agent: silicon dioxide.


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Vitamin D


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.
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.



Lanolin is obtained in the process of cleaning of raw sheep wool from the so-called wool fat, protecting it from getting wet and unbeneficial weather conditions.

Lanolin is commonly used for the production of ointments and creams with lubricating and softening effect, however, it also found application in the production of dietary supplements and more precisely vitamin D3.

In order to obtain vitamin D3 from lanolin, it undergoes cleaning and crystallization and then proper chemical processes, as a result of which 7-dehydrocholesterol is produced - a precursor of vitamin D3, the same which is produced in skin under the influence of UV radiation. 7-dehydrorocholesterol obtained from lanolin is then subjected to the above mentioned radiation, being transformed to vitamin D3.

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