Vitamin A - Everything you need to know
What is vitamin A?
Vitamin A, like vitamins D, E and K, belongs to the group of fat-soluble vitamins. It is absorbed into the blood in the small intestine through food and can be stored in the liver. There are also different forms of vitamin A, such as retinol, retinal, retinoic acid or beta-carotene. Beta-carotene, however, is only considered a precursor to vitamin A. This is then converted into active vitamin A in the body.
What foods contain vitamin A?
Vitamin A, like many other vitamins, can be absorbed through food. Foods of animal origin, such as liver, sea fish, eggs, milk and dairy products, are particularly rich in vitamin A. Foods of plant origin are rich in beta-carotene. This is often found in large quantities in carrots, spinach, broccoli, cherries, grapefruit or peppers, but our One Bear A Day vitamins also contain this important vitamin.
What are the benefits of taking vitamin A?
Vitamin A plays a very important role in the visual process. It is part of the retina, which is responsible for distinguishing between light and dark.
In addition, vitamin A has a positive effect on the reproductive process, as it is essential for the production of testosterone, for the development of the placenta and for the maturation of the foetus.
Vitamin A is also needed for bones and teeth. In the cosmetics industry, it is used in creams and serums to build and regenerate the skin. Retinol, in particular, is a component of many cosmetic products because it is converted to retinoic acid in the skin. It is reported to improve skin elasticity.
Beta-carotene, on the other hand, has an antioxidant effect, protecting cells from oxidative stress known as free radicals. These include UV rays, exhaust fumes and other harmful factors.
NASSIM JAMALZADEH:
"Vitamin A is mainly involved in growth, cell formation, reproduction and vision. In addition, vitamin A is also one of the antioxidants that protect cells from oxidative stress. That's why it's so important to take, and it's important not to miss out."
FAQs ABOUT VITAMIN A
FAQs ABOUT VITAMIN A
How often one should take vitamin A depends on each person. If you consume plenty through your diet and can thus cover your daily needs, an additional intake is not necessary. It's best to ask your doctor and have regular blood work done.
This depends mainly on gender and age, as well as various other factors, such as whether you are pregnant, breastfeeding or have any diseases.
However, the German Nutrition Society (DGE) recommends a daily amount of 700-850 µg. However, it must be mentioned that the information from the DGE are recommendations and not maximum amounts.
If one exceeds the maximum amount, it can lead to headaches, nausea, and even vomiting. But if it is a chronic overdose of vitamin A, it can lead to sleep disorders, loss of appetite, dry skin and hair loss, among other things. It can even affect bone and liver health. Especially pregnant women have to be careful not to have a vitamin A overdose because it can harm the foetus. That's why experts recommend talking to your doctor about your vitamin A intake.
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Study on the importance of vitamin A
We provide the following scientific studies for your general information. The results obtained in these studies do not necessarily apply to all individuals. Feel free to click on the corresponding links to get more detailed information.
The importance of vitamin A in the diet
The point is that vitamin A can cause cell and tissue changes similar to those seen in neoplastic transformation and that vitamin supplementation can reverse this process. And that this suggests a possible role for vitamin A in cancer prevention.
