Camino Pro Swirl with glytactin PKU, Kick’n’It Karamel, 300 calories per 2.7 oz packet. SWIRL is a powdered formula for PKU that can be mixed with 3-4 ounces cold water to make creamy pudding or 6-8 ounces of cold water to make a shake/smoothie. Contains Glytactin, the only natural whole protein safe for PKU patients, blended with essential amino acids as well as vitamins and minerals. 32 mg of DHA-Omega 3 fatty acids per serving, naturally high in the large neutral amino acids threonine, isoleucine and valine.