For Digestive Health16 Strains20 Billion CFU†Dietary SupplementDesigned with Prebiotic FOS to Support ProbioticsScience-Backed Quality Since 196916 strains carefully selected based on their specific roles in supporting digestive health.Swanson Probiotic for Digestive Health helps ...For Digestive Health16 Strains20 Billion CFU†Dietary SupplementDesigned with Prebiotic FOS to Support ProbioticsScience-Backed Quality Since 196916 strains carefully selected based on their specific roles in supporting digestive health.Swanson Probiotic for Digestive Health helps support digestion with 16 carefully selected strains so you can feel your best. Your digestive tract is a diverse ecosystem, home to billions of microorganisms. The “good ones,” known as probiotics, provide valuable support for healthy digestion, immune function and many other vital processes throughout the body.