Seeing more hair in your brush or shower drain can feel worrying. You may start to wonder: Could something missing from my meals be part of the problem? Food gives your body the fuel it needs, including the nutrients that support healthy hair. Eating well may help prevent hair loss linked to a poor diet. But no food can prevent every type of hair loss. The first step is knowing what your hair needs—and what else may be causing it to thin. Can Your Diet Cause Hair Loss? Yes, i