Meet Banana Sam Leave a Comment / Nutrition and Health - General Info / By John Allen Mollenhauer / August 7, 2010 Banana Sam, this guy is rich in more than just potassium, but in an array of nutrients. Yeah this guy is hi GI (Glycemic Index) and proud of it! That's why you eat bananas for quick energy from health promoting sugar. He's also struttin' his stuff because he also knows he's a mainstay in millions of smoothies every day.