GI Balance Pro supports digestive and immune health, regularity and microbial balance in pets during times of stress or therapy. This formula features 1 billion CFU of GanedenBC30, a patented, highly-stable probiotic strain, Bacillus coagulans. It also includes Sunfiber, a clinically proven soluble fiber to help support beneficial bacteria in the GI tract, and Corebiome postbiotics to strengthen gut lining. A delicious duck-flavored chew makes it easy to feed to both dogs and cats to keep their digestive system strong.