About This Support Fido's Tummy - These functional soft chew supplements have a base of pumpkin and papaya (sources of enzymes) plus probiotics for digestion, bowel, and immune support to care for canine pets. Features Clinically Studied DE111 Probiotic - This chewable functional supplement contains DE111, a clinically studied Bacillus subtilis that supports proper digestive function and the immune system. Six-Strain Probiotic Powder Blend - These chewables contain six probiotics (live bacteria) that support gut function and proper gut flora for support against occasional diarrhea, gas, and bloating. Supports Doggy Gut Flora - Probiotic Bites help support microflora for occasional gastric distress (constipation, indigestion, gas, bloating) support and digestive tract health for your doggie. Treat Fido to Tasty Immunity Support - The DE111, Lactobacillus acidophilus, L. plantarum, L. brevis, L. fermentum, and L. lactis help animal immune response for small, medium, and large breeds.