8. And you'll feel fuller.
Prior to ripening, bananas are rich in something called resistant starch, which, as the name suggests, literally resists the digestion process. This feeds healthy gut bacteria, which suppresses the appetite and leads to more efficient fat oxidation. In fact, one study found that replacing just 5 percent of the day's carbohydrates with a source of resistant starch can boost post-meal fat burn by up to 30 percent! Since underripe bananas are a bit bitter, we suggest adding them into weight loss smoothies with other fruits and veggies to mask the taste

https://www.msn.com/en-us/health/nutrition/17-amazing-side-effects-of-eating-a-daily-banana/ss-AAVjxW4#image=9