Avocado. They are for more than just toast at brunch. Avocados contain around 975 mg in a single medium sized avocado. They are also packed full of good fats and vitamins. In addition, absolutely no sodium and cholesterol makes the avocado a must have for any healthy diet. Avocados can be included in smoothies, sandwiches and of course guacamole. This versatile food should be added to everyone’s grocery needs.