Marc Lobliner’s MTS Nutrition recently broke the rules on the exclusivity of his Australian Machine Whey flavor Triple Chocolate Biscuit, by launching a limited amount here in the US. Things have now changed for another one of the brand’s limited edition protein flavors, as MTS has officially brought back its February released Peanut Butter Cookies and Cream Machine Whey. To make the news even better, Peanut Butter Cookies and Cream is in fact back permanently. The home of MTS, Tiger Fitness, now has 15 of Machine Whey’s 17 flavors to choose from with the two missing being January and March’s limited editions, Birthday Cake and Coconut Chocolate Cookie.