Bananas are rich in a mineral called potassium. This mineral is important as it helps maintain fluid levels in the body and regulates the movement of nutrients and waste products in and out of cells.
Potassium also helps muscles to contract and nerve cells to respond. It keeps the heart beating regularly and can reduce the effect of sodium on blood pressure.

Bananas provide a variety of vitamins and minerals:

• Vitamin B6 – .5 mg
• Manganese – .3 mg
• Vitamin C – 9 mg
• Potassium – 450 mg
• Dietary Fiber – 3g
• Protein – 1 g
• Magnesium – 34 mg
• Folate – 25.0 mcg
• Riboflavin – .1 mg
• Niacin – .8 mg
• Vitamin A – 81 IU
• Iron – .3 mg

You should eat 3 banana a day