Independent horse supplement audits, scored by science.
Every product evaluated across six dimensions using the same rubric — derived from NRC nutritional guidelines and peer-reviewed bioavailability research. No sponsorship. No guesswork.
Read Our Methodology ↓Six dimensions.
One score.
How we audit
Every product goes through the same three-stage process. No exceptions, no shortcuts.
Research
We pull the current spec sheet, cross-reference NRC dose thresholds, and search peer-reviewed literature for bioavailability data on each active ingredient.
Score
Every product is scored across six dimensions using our fixed rubric. The rubric never changes — consistency is what makes the scores comparable.
Publish
Each audit goes through a 5-point verification checklist before publishing. Every number in the report has a cited source.
Our recommendations
Products that earned a Recommended or Budget Pick badge from our audit process.
Horseshoer’s Secret Extra Strength
Key Takeaways Label Transparency — 13 / 15 Farnam publishes a complete Guaranteed Analysis per 2 oz serving. Biotin at…
Horseshoer’s Secret Pelleted Hoof Supplement
Key Takeaways Label Transparency — 14 / 15 Farnam publishes a full Guaranteed Analysis that quantifies every ingredient that matters…
Absorbine Flex+Max Pellets
Key Takeaways Label Transparency — 12 / 15 Absorbine lists exact milligram amounts for all seven active ingredients per 75…
SmartFlex Ultra Pellets
Key Takeaways Label Transparency — 13 / 15 SmartFlex Ultra discloses all seven active ingredients with exact milligram amounts per…
Cosequin ASU Pellets
Key Takeaways Label Transparency — 12 / 15 All six active ingredients are individually quantified with exact milligram amounts per…
KPP Joint Armor
Key Takeaways Label Transparency — 10 / 15 KPP Joint Armor quantifies all four active ingredients with exact milligram amounts…
Recent reports
Sorted by publish date. Every product receives the same audit process.
Horseshoer’s Secret Extra Strength
Key Takeaways Label Transparency — 13 / 15 Farnam publishes a complete Guaranteed Analysis per 2 oz serving. Biotin at…
Horseshoer’s Secret Pelleted Hoof Supplement
Key Takeaways Label Transparency — 14 / 15 Farnam publishes a full Guaranteed Analysis that quantifies every ingredient that matters…
SmartFlex Ultra vs Platinum CJ: $1.84 Beats $6.17, and It’s Not Close
Our pick: SmartFlex Ultra Pellets
Cosequin ASU vs Cosequin Optimized MSM: Is ASU Worth the Extra $0.29/Day?
Our pick: Cosequin ASU Pellets
Equithrive Complete vs Cosequin Optimized MSM: Stuck in the Middle
Our pick: Equithrive Complete Joint Pellets