Familiarity with Vitamin A, Resources and Uses

Vitamin A supplementation
All people need vitamin A for their proper function and their health. This is for adults, 0.6 mg for women and 0.7 mg for men. People who, with doctor's confirmation, are deficient in vitamin A, can compensate for this deficiency by taking a supplemental drug, orally or intramuscularly.

Also, people at risk, in addition to their diet, can receive this vitamin in order to reduce the risk of malaria, HIV, measles and diarrhea. Women with prolonged periods, premenstrual syndrome (PMS), or infection in the vaginal area. They can also take this vitamin to prevent breast cancer.

Women who have AIDS need to get this vitamin to prevent the virus from being transmitted to the infant's infant or embryo's uterus. Men are also allowed to receive vitamin A to increase the amount of sperm. Using this vitamin to improve vision function (especially in people with vision impairment), after eye surgery, some skin problems, such as acne, psoriasis, and eczema, are also prescribed by the doctor.

Excessive intake of vitamin A, dangerous for women!
In general, taking Vitamin A, a bit too much for the body, will not be a problem, and the amount of this vitamin will be stored in the body and when it is in shortage. But, if your diet is long overdue so that your vitamin A intake exceeds 1.5 milligrams per day, there may be problems with your health.

These problems, especially in women, can be more serious. Since women, especially at menopausal age, are at risk for osteoporosis, excessive intake of vitamin A may increase the risk of bone fractures in these individuals.

Also, women who are pregnant or who decide to become pregnant should be careful about how well they are supposed to be balanced in their diet. Because excessive intake of vitamin A can damage the fetus. For example, liver is a strong source of vitamin A, so pregnant women should take this creature with caution, and women should also be alert to the use of supplements that contain vitamin A.

How can we measure the amount of vitamin A we receive?
As it has been said, liver is a source of vitamin A very rich, people who take liver or liver once a week or more should be aware that it may increase their vitamin content and, consequently, cause problems. There is serious health concern in them. This also applies to people who use vitamin A supplements, such as fish oil capsules.

The best way to get the right amount of this vitamin is to have a balanced diet, include all food groups, avoid excessive consumption of liver and its products, and avoid excessive intake of vitamin A supplements.

Vitamin A sources
Vegetables and fruits with yellow, orange, red and green colors, such as carrots, peppers, squash, broccoli, tomatoes, sweet potatoes, mangoes, talebi, apricots, papaya
Whole milk (milk not taken fat), and its products, such as yogurt and cheese
egg
Fat Fish Saltwater
Leafy vegetables like celery and spinach
Pistachios
Cowpea
It should be noted that carotenoid or beta-carotene is a yellow or orange substance that can be converted into vitamin A in the body. Hence, fruits and vegetables with yellow to red color (examples shown above) are able to produce vitamin A in the body.

References:

  1. https://www.nhs.uk/conditions/vitamins-and-minerals/vitamin-a/
  2. https://ods.od.nih.gov/factsheets/VitaminA-HealthProfessional/
  3. https://www.webmd.com/vitamins/ai/ingredientmono-964/vitamin-a

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Sara Khani

Sara Khani

کارشناس میکروبیولوژی

Microbiology expert