Studies confirm the effect of Bacillus subtilis Contributes to a robust defense, healthy digestive system, healthy skin and coat The minimum time to see the effect is four weeks Strengthens the dog’s body defenses Supports a healthy immune system The mucous membrane of the digestive tract contains the largest part of the body’s immune system. As a “biofilter”, the beneficial bacteria prevent potentially dangerous substances from entering the digestive tract. Thanks to Bacillus Subtilis, a combination of vitamins and minerals, your dog’s immune system has all the resources it needs to function properly. Promotes healthy bowel movements The intestinal flora is supported by the enzymes, vitamins, amino acids and other useful microcomponents synthesized by Paw Pro.