Optibac ‘For every day Extra Strength’ For those who feel the need for extra strength live cultures support. Optibac ‘For every day Extra Strength’ is an advanced, dairy-free supplement from which contains 5 extensively researched strains, such as L. acidophilus NCFM® and B. bifidum Bb-02. Each capsule contains a dose of 20 billion live microorganisms [...]