Extra-A Plus & Vegetarian Extra-A: These
products contain 25,000 units of vitamin A. The Extra-A Plus
has 8,333 IU from each of the following: beta-carotene, fish liver oil and
vitamin A palmitate. The Vegetarian Extra-A is a vegetarian
formulation that has 12,500 IU of vitamin A from beta-carotene and 12,500 IU of
vitamin A palmitate. The beta-carotene is a natural source from mixed carotenoid
that also contains alpha-carotene, cryptoxanthein, lutein, zeaxanthin, and
lycopene. Vitamin A activity is only claimed for the beta-carotene, but the
other carotenoids have other important biological activities, and some are even
more powerful antioxidants than beta-carotene. A combination of carotenoids is
more natural, since foods contain all of the carotenoids. There is also an extra
margin of safety when some of the vitamin A activity is provided in the
carotenoid form. Carotenoids are essentially non-toxic, even at high doses. In
contrast to pre-formed vitamin A, which is toxic at high doses. Extra-A
Plus and Vegetarian Extra-A are both available in
bottles of 100 and 250 vegetarian capsules. (MS, Organically Grown Brown Rice)
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