Q. How much protein is there in 1 banana? Ans. A banana contains a very small amount of protein, about 1 gm per medium banana. Q. Can a diabetic patient eat bananas? Ans. Bananas are generally considered safe for people with diabetes. However, avoid overeating or a ripe banana, as it may spike sugar levels. Q. When is the best time to eat a ... Loved by some and loathed by others, bananas are one of those foods that split opinion. Here's an objective look at their nutritional value. Discover the health benefits of bananas, from aiding post-workout recovery to supporting heart health and easing digestive issues. Learn why this nutrient-rich fruit should be part of your diet. Calories, fat, protein, and carbohydrate values for for Banana and other related foods.