Vitamin A is a fat-soluble vitamin that is one of the essential nutrients, meaning one your body cannot synthesize in a sufficient quantity and must come from the diet. It’s involved in eye health, immune function, reproductive health, and wound healing, and its functions support organs throughout your body. Vitamin A comes in two forms: preformed vitamin A (retinol) and provitamin A carotenoids, most notably beta-carotene. While it’s available in a wide variety of animal and plant-based foods, you may benefit from a supplement if you don’t get enough through diet or have higher vitamin A needs, such as during pregnancy.In the United States, the Food and Drug Administration (FDA) does not regulate dietary supplements the way it regulates prescription medications. As a result, some supplement products may not contain the ingredients listed on the label. Whenchoosing a supplement, look for products independently tested or certified by organizations such asNSF,U.S. Pharmacopeia (USP), orC...
