Berries. Berries include blueberries, strawberries, cranberries, raspberries, and blackberries. ... Beans. Beans are packed with fiber and well known for their heart health benefits. ... Fish. Fish is loaded with essential nutrients, including omega-3 fats. ... Tomatoes and tomato products. ... Onions. ... Citrus fruits. ... Spices. ... Flax seeds. More items...