Vitamin A supplementation is too much to do harm?

"Pregnant mother is comparable to a national treasure", once you know that you are pregnant, your family has begun to find ways to supplement her nutrition, in fact, although the need for many nutrients during pregnancy has increased, but some nutrients have been overdose but increased a lot of harm, of which vitamin A is a great harm to excessive intake, so pregnant mothers need special attention

What are the roles and characteristics of vitamin A?

The main role of vitamin A is to maintain normal visual function, cell growth and differentiation, maintain the skin and body protective layer (such as lungs, intestines, etc.

However, vitamin A is a fat-soluble vitamin, and the characteristics of fat-soluble vitamins are easy to accumulate in the human body, if you eat a lot for a long time, it is difficult to quickly eliminate, and it is easier to be poisoned

What foods does vitamin A come from?

Vitamin A should be called vitamin A in the strict sense of the word, refers to a large class of substances with retinol biological activity, including the formed vitamin A and provitamin A (the most important thing for the human body β - carotene) and its metabolites

The formed vitamin A is mainly found in animal livers and egg yolks, and β-carotene from plant foods is mainly found in dark vegetables and fruits such as carrots, broccoli, lettuce, lettuce, mangoes, cantaloupes, etc.

How much vitamin A do pregnant mothers need?

There are two commonly used units of vitamin A, namely ugRAE (retinol equivalent) and IU (international unit), 1 IU = 0.

Most of the vitamin A supplements on the market use IU international units

According to the reference intake of dietary nutrients for Chinese residents, the recommended intake of vitamin A in the first trimester is 700 ugRAE (i.

How can pregnant mothers safely consume vitamin A?

From the perspective of vitamin A content, eating 15 grams of pig liver in the first trimester can obtain 745 ugRAE of vitamin A, which can already reach the required amount; It is also easy to eat a little vegetables and fruits in the middle and third trimesters of pregnancy, which is why the Dietary Guidelines for Chinese Residents recommend eating pork liver once a week during pregnancy

Therefore, in general, pregnant mothers with a balanced diet and a variety of foods will not lack vitamin A

This article was scientifically checked