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).
Vitamin A is a group of compounds that includes retinoids and carotenoids. Vitamin A from plant sources is a carotenoid that your body can transform into a retinol, while vitamin A from animal sources is already in a form of retinol that's easily absorbed by your body.Vitamin A palmitate is the form of vitamin A found naturally in animal sources and also produced synthetically.itamin A is a group of compounds that includes retinoids and carotenoids. Vitamin A from plant sources is a carotenoid that your body can transform into a retinol, while vitamin A from animal sources is already in a form of retinol that's easily absorbed by your body.