3. Coffee (black)
Coffee is just like tea in that it has caffeine and a lot of good antioxidants. Buettner says that it’s the main source of antioxidants in the American diet, though he admits that’s mostly because of how common coffee is.
Coffee is also full of important nutrients like vitamin B5, which is used to make red blood cells, manganese, which is good for bone growth and metabolism, potassium, which helps lower blood pressure, magnesium, which helps make energy and helps you sleep, and niacin, which helps turn vitamins into energy that you can use. Overall, its use is linked to a higher risk of type 2 diabetes, depression, neurodegenerative diseases, cancer, and liver disease.