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Vitamin A – benefits and harms    PDF Tisk Email
Vitamin A – benefits and harms
Vitamin A, or as it is also called "retinol", plays an important role in maintaining important organs of the body. Thanks to vitamin A, protein synthesis is carried out. Retinol also has a positive effect on the redox system. Moreover, this vitamin is able to slow down the aging process, and promotes the growth of new cells in the body. On average, an adult needs to replenish their vitamin reserves by at least 300 grams per day (meaning foods that contain vitamin A). It is especially important to stock up on this vitamin in the summer, as well as in the spring.
Vitamin A has a positive effect on human vision. The beneficial functioning of the immune system also directly depends on the amount of retinol. Therefore, in order to protect yourself from colds and flu viruses, it is important to consume foods that contain this vitamin.
Retinol plays an important role in cleansing the skin and renewing epithelial tissue. Therefore, vitamin A prevents the appearance of acne, psoriasis, and also plays a major role in the healing of wounds, burns, and other injuries. Moreover, retinol prevents the occurrence of cancerous tumors, and is often attributed to patients after surgery.
Products containing retinol
Vitamin A is present in those foods that are of animal origin. It is especially useful to consume products such as cheese, butter, liver, red caviar. Large reserves of this vitamin are found in fish oil. In plant-based foods, vitamin A is found in broccoli, carrots, apricots, grapes, peaches, and pumpkin.
Contraindications of vitamin A
However, an overdose of this vitamin can adversely affect human health. For example, excessive intake of vitamin A leads to insomnia, nausea, vomiting, headaches, and weakness. Overdose is especially dangerous for pregnant women, as a large amount of this vitamin can lead to birth defects of the child.
If a person has a zinc deficiency in the body, then the absorption of vitamin A is significantly reduced. Zinc helps retinol to become active. Mineral oil also makes it difficult to absorb this vitamin. This oil burns vitamin A.
So, vitamin A has a positive effect on human health. But, like other vitamins, retinol benefits when consumed in moderation. https://mostbets.cz/
 

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