Gastrointestinal changes in aging dogs result from a predictable cascade of physiological shifts. Understanding these mechanisms helps owners distinguish normal aging from pathology.
By Dr. Rachel Kim, DVM · Reviewed by the truecanineprobiotics.com Editorial Team · Updated July 2026 📋 Claim Multiple leading dog supplement brands market their products as “clinically studied,” “scientifically formulated,” or “backed by research.” ⚠️ Verdict: MISLEADING For most of these brands, the claim is technically defensible but structurally misleading. The ingredients have been…