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EXTENSIVELY RESEARCHED STRAINS: expertly formulated with 4 highly researched probiotic strains scientifically proven to reach the gut alive and complement the body’s natural gut bacteria ADVANCED DAILY SUPPORT: suitable for those with IBS who may be looking for a high strength friendly bacteria supplement without FOS fibres COMPREHENSIVE, EXTRA STRENGTH FORMULA: a multi-strain formula with 20 billion live cultures that target both the small (Lactobacillus) & large (Bifidobacterium) intestines, for overall daily wellbeing Who is it for? An advanced, high strength daily digestive supplement to complement your body's natural gut bacteria. With 20 billion friendly bacteria, expertly formulated for those wanting extra strength. Suitable for vegans, Optibac Every Day EXTRA contains Lactobacillus acidophilus NCFM®, the most researched acidophilus strain in the world. Optibac specialises entirely in friendly bacteria and offers the world’s most scientifically researched strains for your individual needs. Committed to helping others and the planet, they use eco-conscious packaging wherever possible, and to date have raised over £1.5 million for charities at home and abroad. Optibac is the UK & Ireland's most trusted & recommended brand of friendly bacteria supplements, as determined in an independent survey of 1,500 people, Nov 24. Trust your gut and opt for Optibac. Verified details include pack size of 30 Capsules.