Bananas contain a high level of carbohydrates, which is bad for the human body. In addition, they contain fibers that are empty and don't provide enough nutrition. Although bananas are healthy in moderation, they can cause blood sugar to spike. Carbohydrates are metabolized into sugars, which can turn into fat.
When eating a lot of carbohydrates without burning the energy, it is stored as fat, which isn't healthy for the human body. Bananas and other high-carbohydrate foods should not be eaten on their own in order to prevent blood sugar spikes, and they should be eaten in moderation. Incorporating carbohydrates with other low-protein foods, such as hard boiled eggs, can prevent blood sugar spikes.