The Claim That Keeps Showing Up on Dog Supplement Labels
Key Takeaways The NASC Quality Seal certifies that a manufacturer follows Good Manufacturing Practices (GMP) — it does not certify that a product is effective for any specific health claim. “Made in an NASC-certified facility” is a manufacturing-quality statement, not an efficacy statement. The two are distinct evidentiary tiers. Published peer-reviewed canine clinical trials represent…