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2. Retinyl acetate - Wikipedia

   en.wikipedia.org/wiki/Retinyl_acetate

   World Health Organization "Recommendations for preformed vitamin A supplements for mothers during pregnancy" states that "health benefits are expected for the mother and her developing fetus with little risk of detriment to either, from a daily supplement not exceeding 10,000 IU vitamin A (3000mcg RE) at any time during pregnancy." Preformed ...

3. Vitamin A deficiency - Wikipedia

   en.wikipedia.org/wiki/Vitamin_A_Deficiency

   Vitamin A in food exists either as preformed retinol – an active form of vitamin A – found in animal liver, dairy and egg products, and some fortified foods, or as provitamin A carotenoids, which are plant pigments digested into vitamin A after consuming carotenoid-rich plant foods, typically in red, orange, or yellow colors. [28]

4. Vitamin A - Wikipedia

   en.wikipedia.org/wiki/Vitamin_A

   Vitamin A status involves eye health via two separate functions. Retinal is an essential factor in rod cells and cone cells in the retina responding to light exposure by sending nerve signals to the brain. An early sign of vitamin A deficiency is night blindness. [6] Vitamin A in the form of retinoic acid is essential to normal epithelial cell ...

5. Xerophthalmia - Wikipedia

   en.wikipedia.org/wiki/Xerophthalmia

   The causes are vitamin A deficiency during pregnancy, followed by low transfer of vitamin A during lactation and infant/child diets low in vitamin A or beta-carotene. [ 4 ] [ 5 ] The prevalence of pre-school age children who are blind due to vitamin A deficiency is lower than expected from incidence of new cases only because childhood vitamin A ...

6. Retinol - Wikipedia

   en.wikipedia.org/wiki/Retinol

   Retinol, also called vitamin A 1, is a fat-soluble vitamin in the vitamin A family that is found in food and used as a dietary supplement. [3] Retinol or other forms of vitamin A are needed for vision, cellular development, maintenance of skin and mucous membranes , immune function and reproductive development. [ 3 ]

7. These High-Quality Vitamin B12 Supplements Can Help ... - AOL

   www.aol.com/high-quality-vitamin-b12-supplements...

   Again, the daily recommended dietary allowance of vitamin B12 for most adults is 2.4 micrograms, stretching up to 2.6 and 2.8 micrograms if you’re pregnant or nursing.