This piece originally appeared on PureWow.
We thought banana peels were good for two things: protecting bananas and serving as comedic props. That was until we heard that not only is it safe to eat banana peels; it’s also advisable. Huh. Here’s the deal.
Why is this a thing? In addition to potassium, which helps balance electrolytes and grow cells, banana peels are a great source of magnesium (for a healthy heart and strong immune system), fiber (for colon health) and vitamins B12 and B6 (for metabolism and strong cells).