Contains 1 Billion CFU of Lactobacillus acidophilus Probiotics. Contains NutraFlora Prebiotics Innovative system of Prebiotics-Probiotics in Capsule from vegetable source Vcaps, "Capsule in Capsule". Free of allergens: They do not contain gluten, crustaceans, eggs, fish, peanuts, soy, tree nuts or their derivatives. .Its individual blister packaging protects the capsule against oxidation moisture, helping it to preserve its properties.