Vitamin r drink1/7/2024 ![]() Most prenatal vitamins contain at least part of their vitamin A in the form of beta-carotene, but some over-the-counter brands, other kinds of multivitamins, and some fortified foods contain significant amounts of preformed vitamin A. This is one reason why it's important not to double up on your prenatal vitamins or take any supplements without talking to your healthcare provider. For women ages 14 to 18, the upper intake limit is 2,800 mcg RAE. Women ages 19 and older – whether or not they're pregnant or breastfeeding – should get no more than 3,000 mcg RAE of preformed vitamin A from supplements, animal sources, and fortified foods each day. (However, it's safe and beneficial to eat plenty of fruits and vegetables high in carotenoids.) It's also in most fruits and vegetables, mostly in the form of carotenoids.ĭuring pregnancy, it's important not to get too much preformed vitamin A, which can cause birth defects and liver toxicity in high doses. It's available in meat, dairy, fish, eggs, and fortified cereals in the form of preformed vitamin A, or retinol. The average American diet provides plenty of vitamin A. ![]() Can you have too much vitamin A in pregnancy? For example, 900 mcg RAE could be anywhere from 3,000 to 36,100 IU of vitamin A. IUs aren't easily converted to RAE because the conversion depends on the type of vitamin A. One microgram (mcg) of retinol (preformed vitamin A) is equal to 1 mcg RAE, but it takes 12 mcg of beta-carotene or 24 mcg of alpha-carotene to equal 1 mcg RAE.Īn older standard of measurement that is still used (especially on Supplement Facts labels) is the International Unit, or IU. The standard of measurement for vitamin A is RAE (retinol activity equivalents), which is based on the potency and source of vitamin A. Nonpregnant women 14 and older: 700 mcg RAE per day Pregnant women ages 19 and older: 770 mcg RAE per dayīreastfeeding women ages 18 and younger: 1,200 mcg RAE per dayīreastfeeding women ages 19 and older: 1,300 mcg RAE per day Pregnant women ages 18 and younger: 750 micrograms (mcg) RAE per day How much vitamin A do pregnant women need? Provitamin A carotenoids (like beta-carotene) are found in fruits and vegetables, and your body must convert this type into retinol. Preformed vitamin A (also called retinol) is used directly by the body and is found in animal products like eggs, milk, and liver. There are two forms of vitamin A: preformed vitamin A and provitamin A carotenoids. It also helps maintain normal vision, fights infections, supports your immune system, and helps with fat metabolism. Vitamin A is particularly essential for women who are about to give birth because it helps with postpartum tissue repair. Vitamin A is important for your baby's embryonic growth, including the development of the heart, lungs, kidneys, eyes, and bones as well as the circulatory, respiratory, and central nervous systems. Vitamin A is a fat-soluble vitamin that's stored in the liver.
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