QNT Metapure Zero Carb - Chocolate Want lean, toned muscle growth, the look no further, with this Metapure Zero Carb from QNT you’ll enable your training to build muscle without adding fats or carbs to your diet. Designed to promote rapid and sustained increases in serum amino acids and muscle protein synthesis, Metapure Q2 is a combination of premium quality whey protein concentrate, whey protein isolate and milk protein isolate rich in biologically active whey protein microfractions.