Higher Potency With Clinically Documented Strains Room Temperature Stable - No Refrigeration Required EnteroGuard Intestinal & Immune Function & Health 25 Billion Per Capsule - 8 Strains Probiotic Supplement Strain Matter: Jarrow Formulas' Probiotics Feature Documented Strains Gluten Free Vegetarian EnteroGuard ensures the maximum survival of probiotic bacteria to the small intestines. Jarro-Dophilus EPS is room temperature stable and does not require refrigeration. Refrigeration will, however, extend the shelf-life. Avoid temperatures above 77°F (25°C). EnteroGuard Ensures Maximum Survival + Room Temperature Stable - 77°F (25°FC) Clinically Studied Strains Studied in human clinical trials: B. longum BB536, L. rhamnosus R0011 and L. helveticus R0052 are well characterized and have been shown to interact via multiple mechanisms of action with the intestinal tract and the microbial ecosystem within it. These strains have been clinically shown to improve the properties of the intestinal microflora, promote intestinal health and support immune response. Packaged for Stability Until sealed in blister packaging. Moisture resistant and airtight.