Fact Checks · 11 min read✓ Our Fact-Checking Team — August 22, 2026Key takeawaysWhat We Checked and HowThe Clinical-Trial Hierarchy (Why Most Claims Fail)The Clinical-Trial Claim Audit TableBrand-by-Brand FindingsOn this page📋 Claim⚠️ Verdict: MOSTLY UNSUPPORTEDTable of ContentsWhat We Checked and HowThe Clinical-Trial Hierarchy (Why Most Claims Fail)The Clinical-Trial Claim Audit TableBrand-by-Brand FindingsThe Human-Extrapolation Problem Disclosure: … Continue reading Fact Check: Do Dog Probiotic Brands Actually Have Clinical Trial Evidence?