Allergy Research Group Sano-Gastril is a dietary supplement to support digestion. Developed with fermented soy bean extract using Lactobacillus bulgaricus, this helps neutralize excess hydrochloric acid in the stomach. Sano-Gastril has a buffering potential containing amino acids, peptides and other metabolic substances. Soy bean fermented by a special strain of Lactobacillus bulgaricus (LB-51). The result is a complex with buffering potential that contains peptides, amino acids and other metabolic substances.