
Physician's Choice
60 Billion Probiotic
Amazon's mega-seller: 60 billion CFU from 10 species plus prebiotic fiber, third-party tested and cheap. But it names no strains, so it can't be matched to research.
Brand profile
Physician's Choice is a U.S. supplement brand founded in 2017 by Logan Chierotti. It focuses on gut health, selling probiotics, digestive enzymes, fiber and related products developed with its scientific advisory board. Its 60 Billion Probiotic is one of Amazon's best-selling probiotics, and the brand says its products are sold at more than 70,000 retail points, including Walmart, Target and CVS.
Average score
Across 1 product
Testing & quality
Physician's Choice says independent labs, including Eurofins and Light Labs, test its products for purity, potency and contaminants, and that they're made in cGMP-certified U.S. facilities. It also says probiotic CFU counts are guaranteed through expiration.

Physician's Choice
Amazon's mega-seller: 60 billion CFU from 10 species plus prebiotic fiber, third-party tested and cheap. But it names no strains, so it can't be matched to research.
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