BSN Syntha 6 Extended Release Protein Blend is formulated with fast medium & slow digesting proteins to sustain amino acid levels over a long interval while increasing protein synthesis & repairing damaged muscle tissue. Its protein matrix consists of ultrafiltered whey protein concentrate Micellar alpha & beta caseins microfiltered WPI egg albumen calcium caseinate & milk protein concentrate. It is low in carbs & lactose making it a good choice for individuals seeking sust