Having strong, healthy nails is important not only for aesthetic reasons but also because nails protect and support the sensitive tips of our fingers and toes. Weak, brittle nails that split and peel can be uncomfortable and painful. Many factors influence nail strength, including genetics, health conditions, medications, injury, aging, and lifestyle habits. One nutrient that may play a key role is vitamin A. What Does Vitamin A Have to Do with Nails? Vitamin A is a fat-soluble micronutrient that supports several critical bodily functions. It is important for healthy vision, a robust immune system, red...