USANA Probiotic contains Lactobacillus rhamnosus LGG® and Bifidobacterium BB-12®, two strains of specific probiotic bacteria clinically proven to survive the harsh acidic environment of the stomach. 0 0 Austin Winegar Austin Winegar2016-07-05 16:47:562016-07-05 16:56:12USANA Probiotic Presentation