Daily care. Helps Defend Against Occasional: Gas. Bloating. Constipation. Diarrhea. A Healthy Colon, A Healthier You: The colon (large intestine, is critical to digestive health. It is the hub for good bacteria in your gut, where most of the bacteria actually live. Did you know? Diet, travel, and stress can upset the balance of good bacteria in your gut. Digestive issues can start in the colon and may be signs of an imbalance of good bacteria. About 70% of your immune system is found in your intestines, including your colon. Taking Phillips' Colon Health Probiotic daily helps replenish good bacteria and supports digestive and immune health, with a unique combination (among leading brands) of specially selected probiotics: Lactobacillus gasseri KS-13. Bifidobacterium bifidum G9-1. Bifidobacterium longum MM-2. Only (among leading brands) Phillips' Colon Health features 4-in-1 Symptom Defense against these occasional digestive issues: Gas. Bloating. Constipation. Diarrhea. 12 point quality test on every batch. Backed by over 140 years of digestive health expertise.