Pro-Stat® 64 liquid protein is a low cost, ready-to-use, complete protein that is hydrolyzed for rapid absorption. Pro-Stat 64 Complete Protein Supplement's concentrated liquid protein provides all essential and non-essential amino acids. Indicated for patients with increased protein needs, Pro-Stat 64 is pure liquid protein that is predigested by papain, a fruit enzyme, creating a hydrolysate. Pro-State 64 is a patented method for treating wounds to promote healing and is clinically proven to aid in improving pressure ulcer healing. Sugar Free. Gluten Free. Case of 6 (30 oz.) bottles. Available in 3 flavors: cherry, butter pecan and natural flavor.