Understanding a CBD Certificate of Analysis (COA): What Dog Owners Need to Know
Introduction
A Certificate of Analysis (COA) is one of the most important documents in pet CBD — and one of the least understood. It's a third-party lab report that verifies what's actually in a product. Knowing how to read one will make you a better consumer and a better advocate for your dog's health.
What Is a COA?
A COA is a document produced by an independent laboratory (not the brand itself) that tests a specific batch of CBD product and reports on its contents. 'Third-party' is the critical qualifier — the lab has no financial interest in the result, which makes its findings credible.
What a COA Should Include
Cannabinoid Panel
This shows the actual concentration of CBD and other cannabinoids in the product — CBD, CBG, CBN, THC, CBC, and others. This confirms the product contains the CBD it claims, and that THC is below the legal 0.3% threshold. Always check that the listed CBD content matches what the label says.
Heavy Metals Test
Hemp is a bioaccumulator that can concentrate lead, mercury, arsenic, and cadmium from soil. The COA should confirm these are below safe thresholds.
Pesticide Residue Panel
Confirms no pesticide residues above safety limits are present. US-grown hemp under USDA oversight should pass this easily; imported hemp is more variable.
Microbial Testing
Tests for harmful bacteria (Salmonella, E. coli) and mold. Important for any consumable product.
Red Flags
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No COA available at all — don't buy
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COA is outdated (more than 12 months old)
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Lab is the same company as the brand — not independent
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CBD content on COA significantly differs from label claim
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THC detected above 0.3%
See Spot Run's COA Policy
We publish current COAs for both the Relief and Relax powders on our website. Every batch is tested by an independent third-party lab before it ships. If you ever have a question about a specific batch, contact us — we'll send the documentation directly.
Conclusion
Before buying any CBD for your dog, find the COA. If you can't find it, ask. If the company won't provide it, don't buy. It's the single most important quality signal in an industry that's still largely self-regulated.
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