Acquaintance and interesting facts about vitamin A
Vitamin A, if understandable language - is what our skin, eyes and intestines need. Remember the statements of the parents "Eat carrots, will be good eyesight"? All because it contains a large amount of this vitamin. It is interesting that the vitamin received such an alphabetic name from scientists for an absolutely banal and simple reason - this is the first vitamin that was discovered by them and, by the way, using carrots. Thanks to scientific research, which proved his enormous influence on our vision, the American George Wald in 1967 won the Nobel Prize.
In another way, our vitamin is called retinol. It has an interesting feature - accumulates in the body, creating a certain reserve, which is expended in case of need. Group of vitamins A (A1, A2, etc.) is called carotenoids, from the English word carrot, which in translation - carrots.
What foods contain vitamin A?
Retinol is found in both animal and plant products. The greatest content of vegetables, as you already understood, in carrots, but its good substitutes are broccoli, pumpkin, Bulgarian pepper and spinach. Of the fruits are high retinol apricots, apples, cherries, grapes and peaches. Among the greenery, the leaders are mint and parsley. There is it in such common for us products, like butter, chicken and beef liver, eggs, cream and milk.
How to take vitamin A in capsules?
If the doctors or you yourself diagnosed a lack of vitamin A, do not necessarily attack the above products. In pharmacies, you can find vitamin A in capsules, which greatly simplifies the saturation of the body. However, one should be careful - overdose can cause toxicosis, liver complications, hair loss, irritability and other unpleasant effects. The price of vitamin A is low, in the range of 2-4 $.
Doctors recommend drinking 1-2 tablets in the morning after eating. Note that every human body is unique, so it is better to consult a doctor, especially since retinol has the properties to accumulate by the body, and therefore cause long-term negative consequences.
Vitamin A intake rates for children, adult men and women, pregnant women
Depending on your gender, the number of years, the general state of health, the norm of taking retinol will change, so we will give only average indices. For more accurate data, you should contact a doctor who must write out specific recommendations for admission.
- For men - 1000 - 1200 mkg (60-80 kg of weight)
- for women - 700 - 1000 mkg (45-70 kg of weight)
- for a pregnant woman - 1000-1200 mcg
- children from 12 to 17 years - 700 - 1000 mcg
- children from 3 to 11 years - 400 - 700 mcg
- To children till 3 years - 300 400 mkg
How to determine the lack of vitamin A?
If you are confronted with:
- the general decline of forces;
- insomnia;
- sudden dandruff and itchy scalp;
- cutting in the eyes, drying out the eyeball;
- the vision began to fall;
- frequent colds
it is likely that it is worth going to the doctor and get a detailed instruction on the use of vitamin A in capsules.
Be healthy and do not be ill!