OraOrganic is a very popular brand overall since they have the popular One-A-Day vitamins.* However, 1.5 billion live cultures per serving is concerning as a limited provided quantity, and nowhere near the most live cultures we’ve seen offered among the best brands of probiotic products such as Alpha or Pro-10.* The additives of magnesium stearate and titanium dioxide are also unwanted fillers that do more harm than good.*