Bananas can also provide adequate amounts of pyridoxine or Vitamin B6. 100 grams of the fruit can already supply 30% of the daily recommended intake of this type of Vitamin B for adults. B complex vitamins generally help the body breakdown carbohydrates. Pyridoxine has specific other functions such as helping your body produce neurotransmission chemicals and the hormones that influence behavior like norepinephrineand serotonin.