Vitamin A, what is it?
Vitamin A is one of the liposoluble vitamins (soluble in fats) present in the liver. It is involved in many functions of our organism and is essential to all ages of life.
She exists in two forms In food:
- In the form of Preformed vitamin, that is to say of retinol.
- In the form of Provitamin A (beta-carotene, alpha-carotene and beta-coryptoxanthine), which the body can transform or convert into retinol according to its needs.
The benefits of vitamin A on health
Vitamin A plays several important roles in our health:
- She participates in the Bone growth
- She has a powerful effect antioxidant
- It is essential for reproduction and regulation of immune system
- It is essential for the vision Because it protects the cornea and allows the adaptation of the eye to the darkness
- It contributes to the health of the skin and mucous membranes, first lines of Defense against bacteria and viruses
- She helps intrauterine development and stimulates the growth of the fetus
- She promotes the Iron mobilization For hemoglobin synthesis
What is the link between vitamin A and hair health?
Studies have shown that the Vitamin A and its derivatives are Essentials to the proper development and maintenance of hair follicles. It also stimulates the sebaceous glands and the production of sebum, which protects the hair.
But this vitamin has a Particularity: both its deficiency and its excess are harmful on health and cause a hair loss. It is therefore a question of verifying that our contribution is regular and appropriate.
In order to benefit from the positive effects of vitamin A on the hair, it is necessary to maintain a daily contribution which is located around 800 to 1000 µg per day both for the man as for the woman.
How to fill up on vitamin A?
We find vitamin A in Foods of vegetable and animal origin : dairy products, eggs, colored fruits (tomato, pumpkin, apricot, mango, pepper, melon, etc.), vegetables and offs (especially poultry liver and veal liver).
Cod liver oil is an excellent source of vitamin A with 30,000 µg per 100 g of oil. The raw carrot is also a food of choice since it is very rich in beta-carotene.
A healthy and balanced diet generally makes it possible to naturally cover the needs in vitamin A. In some cases and Depending on your diet, supplementation can be recommended. Talk to your doctor and always opt for 100 % natural food supplements.
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