Megaflora Senior (Bifidobacterium animalis W53, Bifidobacterium bifidum W23, Bifidobacterium lactis W51, Bifidobacterium lactis W52, Lactobacillus acidophilus W22, Lactobacillus plantarum W1, Lactobacillus paracasei W20, Lactobacillus rhamnosus W71, Lactobacillus salivarius W24, Lactobacillus lactis W19). 1000 mg (2 mil millones de UFC).