Nature's Bounty Optimal Solutions Controlled DeliveryProbiotic is an easy way to get the digestive and intestinal support you need.*These caplets feature Bio-tract technology, which allows the caplet to passthrough the digestive tract and release live organisms at targeted locationswithin the digestive system. Regular enteric coating protects Probiotics fromstomach acid. The Nature's Bounty Optimal Solutions Controlled DeliveryProbiotic works differently than regular enteric coating – it not only protectsyour probiotics from the harsh environment of the stomach, but delivers themcontinuously during the day to various parts of your digestive tract! A largepercentage of your body’s immune system cells are contained within yourgastrointestinal tract. Probiotics help maintain healthy intestinal balance,providing support for immune health.* A healthy digestive tract helps maintainoverall immune system health.* For 50 years, Nature’sBounty has blended the best of nature with the latest in science andnutritional innovation. Our dedication toquality, consistency, and scientific research has resulted in vitamins andnutritional supplements of unrivaled excellence.Packaging may vary.