UAS Labs DDS Acidophilus, Powder, 2.5 Ounces

What the brand says

An aid in maintaining normal intestinal flora with beneficial Lactobacillus acidophilus under conditions of digestive disorders and following antibiotic therapy. DDS - Acidophilus is the source of a special strain of Lactobacillus acidophilus (DDS - strain) and Fructooligosaccharides. NOTE: DDS - Acidophilus has been packaged with nitrogen flushing to enhance stability. DDS-l. acidophilus is a superior strain, producing acidophilin, lactic acid, and hydrogen peroxide Each gram contains 2 billion viable Lactobacillus acidophilus (DDS-1 strain) at the time of manufacturing.