Supplement
Evidence Reviews
Independent, veterinarian-authored reviews of the scientific evidence behind pet supplements for dogs and cats.
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Joint Health
Fish Oil (Omega-3) - Joints
A Strong EvidenceThere was strong evidence to support the use of omega-3 fish oil for joint health/mobility in dogs. A mild yet consistent benefit was observed across studies.
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Skin & Coat
Fish Oil (Omega-3) - Skin/Coat
B Moderate EvidenceThere was moderate evidence to support the use of omega-3 fish oil to dogs for skin/coat health.
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Joint Health
Green-Lipped Mussel
B Moderate EvidenceThere was moderate evidence to support the use of Green Lipped Mussel in dogs with arthritis or mobility issues.
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Digestive Health
Psyllium husk (mild diarrhea)
B Moderate EvidencePsyllium husk supplementation improved stool quality in dogs with mild large bowel diarrhea. The evidence was most consistent for chronic diarrhea compared to acute.
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Evidence first
We evaluate supplements based on the quality and consistency of the scientific evidence.
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Veterinarian-authored
Every review is written or reviewed by veterinary professionals with clinical expertise.
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Independent
No industry funding, sponsorships, or advertising influence our evidence grades.
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Transparent
Our grading methodology and evidence sources are visible so you can verify our work.