VSL#3 probiotic capsules contain eight strains of live lactic acid bacteria as of 2015, including Bifidobacterium breve, Bifidobacterium longum, Bifidobacterium infantis and Lactobacillus acidophilus, states Sigma-Tau Pharmaceuticals. The other bacterial strains in the capsules are Lactobacillus plantarum, Lactobacillus paracasei, Lactobacillus bulgaricus and Streptococcus thermophilus. The capsules are pure vegetable cellulose.
VSL#3 probotics are gluten-free foods that contain less than 0.1 grams per 100 grams of lactose and less than 2 milligrams per kilogram of dehydrated skim milk or milk protein, according to Sigma-Tau Pharmaceuticals. Each capsule contains 112.5 billion live bacteria. VSL#3 Junior is available in packets containing 225 billion live bacteria, and 450 billion live bacteria are in each VSL#3 packet. VSL#3 Double Strength packets, available only by prescription, contain 900 billion live bacteria.