Pureology â Hydrate Shampoo & Condition Review. One question that comes up a lot in the vegan community is if there are any professional haircare brands that are vegan. At first glance you would think it would be an impossible task to find one but I was recently informed by RY that one of LâOrealâs professional brands, Pureology, is in fact vegan.
The National Research Council's recommended dietary allowance for vitamin A during pregnancy is 1,000 retinol equivalents (RE)/day, which is equivalent to 3,300 IU as retinol or 5,000 IU of vitamin A obtained from the typical American diet as a combination of retinol and carotenoids, e.g., beta-carotene.he recommended dietary allowance (RDA) of vitamin A during pregnancy is 1,000 RE, which is equal to 3,300 IU of retinol or retinyl esters or 5,000 U in an average U.S. diet containing a mixture of retinol and carotenoids (Food and Nutrition Board, 1980) (Table 2).
1 The dose of folic acid is higher in prenatal vitamins. 2  Most multi-vitamins supply a very high dose of Vitamin A (up to 5000 IU) that may lead to birth defects in babies. 3  The dose of Vitamin A is small in prenatal vitamins.