Specifically, pregnant women should receive up to 10,000 IU vitamin A daily or up to 25,000 IU vitamin A weekly as an oral liquid, oil-based preparation of retinyl palmitate or retinyl acetate. Supplementation should be continued for a minimum of 12 wk during pregnancy until delivery.
Is 5000 IU of vitamin A safe during pregnancy?
Pregnant women should avoid multivitamin or prenatal supplements that contain more than 1.5 mg/day (5,000 IU) of vitamin A. Vitamin A from beta-carotene is not known to increase the risk of birth defects.
How much vitamin A is safe during pregnancy?
Because of the teratogenic effects secondary to excessive vitamin A intake, the WHO recommends as safe during pregnancy a maximum dose of up to 10,000 IU daily or 25,000 IU weekly after the first 60 days of gestation [10,12,38].
Is 4000 IU of vitamin A safe during pregnancy?
Vitamin A: No more than 4,000 IU (800 ug). Taking too much vitamin A can be dangerous. That’s why many manufacturers have reduced the amount of vitamin A in their vitamin supplements or have replaced it with beta-carotene, a much safer source of the vitamin. Folic acid: At least 400 to 600 mcg.
Is 8000 IU of vitamin A safe during pregnancy?
The USRDA (U.S. recommended daily allowance) of 8,000 IU/day during pregnancy has been established by the U.S. Food and Drug Administration (FDA) as a standard for nutrition labeling, including the labeling of nutritional supplements.
Why Vitamin A is harmful during pregnancy?
Given that vitamin A is fat soluble, your body stores excess amounts in the liver. This accumulation can have toxic effects on the body and lead to liver damage. It can even cause birth defects. For example, excessive amounts of vitamin A during pregnancy has been shown to cause congenital birth abnormalities.
How does vitamin A affect pregnancy?
If you’re pregnant
Having large amounts of vitamin A can harm your unborn baby. So if you’re pregnant or thinking about having a baby, do not eat liver or liver products, such as pâté, because these are very high in vitamin A. Also avoid taking supplements that contain vitamin A.
How much vitamin A is in a prenatal vitamin?
|Vitamin A||4000 IU|
|Vitamin B6||2.5 mg|
How much vitamin A is safe?
Levels of up to 10,000 IU (3,000 mcg) have been considered safe. Beyond that, though, vitamin A can build up to cause liver damage and brain swelling; pregnant women who ingest too much run the risk of fetal damage.
How much vitamin A can cause birth defects?
The higher the doses consumed, the greater the risk, the researchers found. Babies born to women who consumed more than 10,000 international units of the vitamin daily were 2.4 times as likely to be born with such defects as babies exposed to 5,000 international units or less.
What birth defects can too much vitamin A cause?
Total intakes of preformed vitamin A that exceed the UL and some synthetic retinoids used as topical therapies (such as isotretinoin and etretinate) can cause congenital birth defects [2-4]. These birth defects can include malformations of the eye, skull, lungs, and heart .