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Vitamin A was discovered as one of the first. The researchers isolated it from shark liver in 1934. Since then, a lot of the Vitamin’s pro-health properties have been confirmed in clinical trials.

The biologically active forms of vitamin A are retinol, retinal and retinoic acid. Their natural source are animal products, such as dairy products, liver or fish. It is also worth to mention the carotenoids, which are the most important precursors to vitamin A. They are found in plant foods such as carrots, red peppers, cherries, and spinach. The most well-known carotenoid is beta-carotene. In the system, carotenoids are transformed into retinal, from which bioactive retinol is formed.

Vitamin A belongs to fat-soluble compounds. It is extremely important for the proper functioning of the whole organism. As a component of rhodopsin (pigment in the retina), it plays a key role in the process of seeing. It is also responsible for the growth of epithelial and bone tissue and the development of reproductive cells. It also supports healthy skin, because it is involved in the production of collagen fibers and the regulation of epidermal exfoliation. In addition, it has been proved to have anti-inflammatory and antiradical activity.

 

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Avitale
£ 5.92

A set of two vitamins in a convenient liquid form. Suitable for vegetarians and vegans.

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Beta Carotene Out of stock
Swanson
£ 5.75

A natural precursor to vitamin A. It has a beneficial effect on the skin condition and may accelerate tanning.

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Vitamin A 10,000 IU Out of stock
Source Naturals
£ 10.90

Supplement helps with normal vision, maintaining healthy skin, and keeping mucous membranes moist and functioning.

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Vitamin A Drops Out of stock
Seeking Health
£ 14.86

The combination of two different forms of vitamin A; the highest bioavailability and assimilability.

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Gold Vit A+E Out of stock
Olimp
£ 4.56

Dietary supplement improving condition of hair, skin and nails. It contains evening primrose oil and biotin.

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Now Foods
£ 5.75

Supplement supports maintain strong bones and teeth and can help keep eyes healthy.

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Vitamin A Out of stock
Now Foods
£ 5.75

Vitamin A helps form and maintain healthy skin, teeth, skeletal and soft tissue, mucus membranes, and skin.

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Vitamin A
Vitamin A Discontinued
Swanson

Vitamin A helps form and maintain healthy skin, teeth, skeletal and soft tissue, mucus membranes, and skin.

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Vitamin A 25,000 IU
Vitamin A 25,000 IU Discontinued
Now Foods

Vitamin A helps form and maintain healthy skin, teeth, skeletal and soft tissue, mucus membranes, and skin.

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Ultra A & D3 25000/1000 IU
Ultra A & D3 25000/1000 IU Discontinued
Now Foods

Dietary supplement that contains a combination of vitamin A and D3.

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