The Evidence Hierarchy: Ranking Dog Supplement Categories by Scientific Support
By Dr. Rachel Kim, DVM · Reviewed by the truecanineprobiotics.com Editorial Team · Updated July 2026 📋 Claim “Dog supplement categories are generally backed by strong clinical evidence, and ‘scientifically formulated’ means clinically proven.” ⚠️ Verdict: MISLEADING Evidence-based medicine sorts research into a hierarchy, from systematic reviews at the top down to expert opinion and…