Bananas can aid digestion and help beat gastrointestinal issues. A medium banana will provide about 10-12% of your daily fibre needs. Singapore's Health Promotion Board recommends a daily dietary fibre intake of 20g for women and 26g for men. Soluble and insoluble fibres play an important role in your health.

While there's no blanket rule, sticking to one to two bananas per day shouldn't cause issues for most people. With that said, remember that they are relatively high in carbohydrates, so eating them along with protein or fat is also advisable to support stable energy levels.