Promotes pH Balance. Optimizing Enzyme Potential. Vegetarian / Vegan. pHB is formulated to assist in balancing the pH of individuals who are too acidic. It also serves to enhance the activity & efficiency of all enzymes in the body (digestive and metabolic). . Theramedix uses the exclusive Thera-blend™ process for protease lipase amylase and cellulase. Each of these enzymes represents multiple strains that are blended for their ability to break down numerous bonds in varying pH levels.