Reflex nutrition natural whey is a fantastic whey protein shake using the best whey protein concentrate and isolates to deliver a pure proteinr natural whey is focused on delivering whey in its natural form it contains no artificial sweeteners colours or flavours and has no added carbohydratesr each serving contains 195g of whey protein which delivers a wide range of amino acids amino acids are the key to promoting muscle as they help activate protein synthesisr whey protein is naturally