. The banana is rich in carbohydrate - sugar and starch. an important source of energy for athletes and has significantly higher levels than any other fruit. Also, unlike most other forms of high-carbohydrate foods, it contains very little fat but is also high in fibre. The combination of fibre with the banana's three natural sugars - fructose, sucrose and glucose - means it provides a sustained boost to flagging energy levels, thus so many players eat bananas.
Bananas are also an excellent recovery food for replacing potassium lost in sweating