Dexatrim Delicious Dieter’s Protein: Chocolate (1lb) Bottle provides 16 grams of protein with only 100 calories per serving. This great tasting protein supplement contains 5 different types of probiotics equaling millions of live probiotic cultures aiding your digestive system. This supplement provides over 20% of daily dietary fiber needs – this is based on a 2,000 calories diet. This protein is made up of whey isolates, which are the purest protein source available. Why protein isolates contain protein concentrations of 90% or higher. During the processing of whey isolates there is a significant removal of fat and lactose.