Isogel has a consistency more like a sports drink than a gel it is smooth and has a dash of real juice for a great taste its not thick or overly sweet easy to open and swallow each sachet contains 23g of carbohydrate isogel is award winning and proven in many of the worlds toughest competitions which high5 gel to choose energygel or isogel both types of gel do the same job however isogel has a lighter consistency somewhere between a drink and a gel energygel has a slightly thicker