Dietary Supplement. Digestive Support* Helps Promote a Healthy Digestive System*. Supports Immune System*. Promotes Well-being Friendly bacteria naturally exist in our bodies. Maintaining optimal levels of good bacteria promotes a general feeling of well-being. When these levels are reduced our immune system and digestive functions may decline*. Lactobacillus acidophilus, a friendly bacteria, is naturally found in the intestines. It supports a healthy environment in the intestines, making it difficult for unfriendly bacteria to survive*. If you plan to travel, are taking antibiotics, need to maintain healthy gut organisms, or are lactose intolerant, taking a.