This heat stable probiotic contains a supreme blend of friendly bacteria formulated for optimal gastrointestinal health. Gr8-Dophilus consists of a special combination of 8 strains of beneficial bacteria including Lactobacillus salivarius, acidophilus, casei, rhamnosus, Bifidobacterium longum, bifidum, lactis, and Streptococcus thermophilus. These friendly bacteria help restore a healthful environment in the GI tract, help protect against disease, boost immunity, support digestion, and more. Now has further enhanced their formula by adding FOS (fructooliqosaccharides) to ensure friendly bacteria is spread throughout the intestines. This easy to swallow, enteric coated capsule is a perfect travel companion as it is stable at room temperature and does not require refrigeration.