The bacteria strains chosen for Thryve Ultimate Immunity probiotics were selected by our panel of scientific advisors. Their work experiences range from Harvard to Stanford to the Food and Drug Administration. Our database of 35,000 scientific journals spans over 4,000 microbes. Based on their knowledge, research, and work history, these experts helped us formulate the premier Happy Gut probiotic supplement.
We genuinely want you to feel better. That’s why our Ultimate Immunity probiotics come with a money-back guarantee. You shouldn’t worry about buying something that doesn’t work. Instead, worry about fixing your gut health.