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Retinol

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Retinol is a hydrolytic metabolite of retinyl esters belonging to the group of vitamin A1 as an alcohol form. Retinol or other forms of vitamin A are fat-soluble vitamins that are found in food and used as a dietary supplement. Either of them is needed for vision, cellular development, maintenance of skin and mucous membranes, immune function and reproductive development. Dietary sources include fish, dairy products, and meat.