Swiss Chard - This green plant is a top producer of biotin. It's also a great part of a healthy salad choice that will provide antioxidants and help balance a diet. Carrots - Carrots contain a supply of biotin, as well as beta-carotene, which helps with general eye health. Almonds, Walnuts and Other Nuts - A variety of nuts supply the body with biotin, and are a portable way to get proteins and other nutrition into a diet.