PERFORMIX ioWHEY claims to have changed the protein market with the improved bioavailability of their protein powder. They claim this powder is easier to absorb and that 22 grams of their protein is the equivalent of 30 grams of other protein products. They also claim their improved bioavailability makes stomach discomfort from protein powder a thing of the past.
However, with potentially stomach-upsetting ingredients like sunflower oil, sucralose, and xanthan gum, this protein could still cause some discomfort. However, with six flavor options coming in at 100 calories, this protein powder may be a great option for you.