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Between the Sheets: Vitamin A – Top Food Sources,

What we call Vitamin A is actually a group of so called retinoids. (Retinol, retinal, and retinyl esters). Retinal in particular is critically important for maintaining normal vision. They are also needed for gene expression, reproduction, embryonic development, immune function, cell growth and differentiation and the maintenance of the lungs, kidney, and heart, among other […]