Reviewed by Dr. Sarah Kowalski, DVM
This methodology was developed in consultation with Dr. Sarah Kowalski, Doctor of Veterinary Medicine, who reviews all health claims and clinical data before publication. Learn more about our team →
Our 5-step evaluation framework
VOHC Approval Verification
We check the Veterinary Oral Health Council's official accepted products list at vohc.org for every product we cover. VOHC approval means a product completed independent clinical trials proving it reduces plaque and/or tartar in dogs. We treat VOHC status as the single most important indicator of a dental chew's effectiveness, and we note it prominently on every product page. Products without VOHC approval are not penalized for other qualities — but we are explicit that no independent clinical proof of dental efficacy exists.
Full Ingredient Analysis
Dr. Kowalski reviews every ingredient in each product for: allergen potential in large breeds, caloric density, the scientific basis for any dental or health claims, and the presence of artificial preservatives, colors, or fillers that may indicate lower quality. We count total ingredients (fewer is generally safer for sensitive stomachs), identify the protein or carbohydrate source, and verify that any "natural" or "plant-based" claims match the actual ingredient list.
Calorie and Cost-Per-Chew Calculation
We calculate the calorie load per chew as a percentage of a typical large dog's daily maintenance requirement (using the standard RER × 1.6 formula). We also calculate the real cost per chew from the most commonly available pack sizes — not promotional or limited-time prices. This lets readers compare products fairly regardless of how they are packaged and priced by the manufacturer.
Systematic Review Analysis
We read a minimum of 200 reviews per product across Amazon and Chewy, with a focus on reviews from large dog owners (50+ lbs dogs). We tag reviews by: breed mentioned, weight mentioned, reported dental outcomes, digestive reactions, palatability, and durability for power chewers. We look for patterns rather than individual testimonials — a product that gets consistent complaints about breaking too fast for large breeds is noted as a durability concern, not dismissed as a single bad experience.
Veterinary Review & Sign-Off
Before any page goes live, Dr. Kowalski reviews all health claims, feeding frequency recommendations, calorie guidance, ingredient safety notes, and any statements about dental disease risk. She may request changes to claims she considers overstated or clinically unsubstantiated. Her sign-off is required for every new product review and every significant update to existing pages. This step is non-negotiable regardless of publication deadlines.
What we do not do
- We do not accept products for review — we purchase or independently source all products we evaluate. No manufacturer has ever sent us free product in exchange for coverage.
- We do not run paid rankings — no brand has paid to appear first, second, or anywhere specific in our comparison tables.
- We do not rely on manufacturer data alone — when a brand claims "clinically proven" or "reduces tartar by X%", we verify whether that claim comes from an independent source or is manufacturer-funded research, and note the distinction.
- We do not score products on a numeric scale — numeric scores like "8.7/10" create a false sense of precision. We describe what each product does well and poorly, and make clear recommendations based on use case.
Update and correction policy
We update product pages when we detect price changes above 10%, formula changes, new or revoked VOHC approvals, or significant shifts in owner review sentiment. Date of last update is shown on every article page.
If you find a factual error on any page, contact us with the URL and the specific claim. We will investigate within 72 hours and update the page if warranted, noting the correction at the bottom of the page.
Scoring criteria summary
| Criterion | Weight | Why it matters |
|---|---|---|
| VOHC approval | High | Only independent clinical proof of dental efficacy |
| Ingredient quality | High | Safety, allergen risk, and digestibility for large dogs |
| Calorie per chew | Medium | Obesity risk is high in large breeds |
| Cost per chew | Medium | Real monthly cost matters for daily use products |
| Owner review patterns | Medium | Real-world palatability and tolerability at scale |
| Chewing duration | Medium | Longer engagement = more mechanical cleaning |
| Manufacturer transparency | Low | Willingness to publish full ingredient sourcing |