OptiBac Probiotics For every day EXTRA Strength is an advanced daily supplement containing high quality natural bacteria. Each capsule contains 20 billion live cultures.OptiBac Probiotics For every day EXTRA Strength is proven to pass to reach the gut alive. DirectionsFor adults and children (1 year & over): Take 1 or 2 capsules daily as desired, or as professionally directed Take with food NB: For anyone unable to swallow capse used on an ongoing basis.ules, the contents of the capsule can be mixed with a cold meal or cold beverage. Full Ingredients per capsuleFiller: micro-cellulose; Live cultures: (Lactobacillus acidophilus NCFM®, Lactobacillus paracasei Lpc-37, Bifidobacterium lactis Bi-07, Bifidobacterium lactis BI-04, Bifidobacterium bifidum Bb-02); vegetarian capsule: hydroxypropyl methylcellulose; anticaking agents: (magnesium stearate, silicon dioxide). Each capsule provides 20 billion live cultures.