13. Chia Seeds
“Although chia seeds are tiny, they pack the most omega-3 fatty acids —which are proven to reduce risk factors for heart disease—and fiber compared to any other food by weight,” says Hayim. You can stir them into a Greek yogurt, or simply add them to a salad vinaigrette.
“They’re also an easy alternative to carbs,” says Rebecca Lewis, RD for popular meal-kit delivery service HelloFresh. [In addition to all their nutrients], not to mention they are also an excellent source of vegetarian-based protein.”