The "Max Plank" diet was created by researchers from the Max Plank Nutrition Institute in Germany and, if followed for two weeks, it may u drink diet coke on the max planck diet?" - Find the answer to this If you stick to the diet plan you will lose 9kg. (So it is claimed!!) The Max Planck diet, mysteriously named after the German physicist, is a restrictive eating plan that promises to help its participants lose weight ...