Not listed — no evidence
We searched 0 supplement products and couldn't find one meeting NASC certification or published efficacy evidence for an active ingredient. Listing returns only when at least one bar is met — absence here means we couldn't substantiate, not that we forgot.
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Why isn't every supplement on the market listed here?
Why isn't every supplement on the market listed here?
The pet supplement market is full of unsubstantiated claims. To keep this list useful, a product is listed only when it meets at least one of two bars:
- NASC certified — manufacturer participates in the National Animal Supplement Council's Quality Seal program, which audits manufacturing and adverse event reporting.
- Research-grade — there is published efficacy evidence for the active ingredient (not the brand's marketing claims).
If a supplement you're considering isn't here, that means we couldn't substantiate it against either bar. It does not automatically mean the product is harmful — it means the evidence we'd need to recommend it isn't there yet.