Leader Arthri-Can Chews
Supplement · complementary
Our verdict
Is Leader Arthri-Can Chews a good dog food?
This is a supplement, not a complete diet, so it is not scored on our 1-100 scale. The ingredient breakdown below shows what is in it; a supplement should be fed alongside, not instead of, a complete diet.
Only part of the analytical constituents are declared, so the nutritional picture is incomplete.
100% of this recipe has no printed percentage. Estimated shares are model estimates, not label facts.
Who is this food for?
Suits
- Labelled by the manufacturer for all lifestages
- Single named protein: fish
- Doesn't list chicken, beef, turkey, lamb, venison, pork, duck as ingredients
Consider something else if:
- Your dog avoids grain: the label lists maize / corn
- You need more protein than this: 13.5% on a dry-matter basis is in the low band
These points are derived from declared ingredients and analysis, not a substitute for veterinary advice. If your dog has a diagnosed condition, food choice is a medical nutrition decision: speak to your vet. Find foods that fit your dog.
Nutrition and feedingProtein 13.50% · Fat 5.30%
Typical analysis (as fed)
| Nutrient | As fed |
|---|---|
| Protein | 13.50% |
| Fat | 5.30% |
| Fibre | 3.60% |
| Ash | 3.30% |
Additives & feeding info
Feeding and storage
Storage
Store in a cool place below 25oC away from direct sunshine. Keep out of reach of children. For soft chews, replace the lid after use.
Feeding guide
Up to 5kg: 1/4 of a chew (2g); 5-10kg: 1/2 of a chew (4g); 11-20kg: 1 chew (8g); 21-30kg: 1 1/2 chews (12g); Over 30kg: 2 chews (16g). Divide chew evenly using a clean knife. Unused chew should be returned to the container.
Additives declared on the label
Nutritional additives
Vitamin E 3125mg/kg; E5 Manganese (Manganese Sulphate Monohydrate) 2012.5mg/kg; Glucosamine Hydrochloride 75000mg/kg; Methyl Sulphonyl Methane (MSM) 31250mg/kg; Green Lipped Mussel 12500mg/kg; DHA 312.5mg/kg
Technological additives
Preservatives
Ingredients (11)100% of the recipe is estimated
Estimated composition
- carb 31.6%
- supplement 31.0%
- other 11.8%
- veg 10.2%
- unknown 9.1%
- oil 6.4%
| # | As declared | Matched | Label reading | Declared % | Est. % |
|---|---|---|---|---|---|
| 1 | Glycerine | Glycerine | other · medium | - | 11.8 |
| 2 | Maize | Maize / Corn | carb · medium | - | 11.2 |
| 3 | Wheat | Wheat | carb · poor | - | 10.7 |
| 4 | Linseed | Linseed | veg · good | - | 10.2 |
| 5 | Wheat Gluten | Wheat Gluten | carb · poor | - | 9.6 |
| 6 | Molasine | unmatched | - | - | 9.1 |
| 7 | Glucosamine HCl | Glucosamine | supplement · good | - | 8.6 |
| 8 | Methyl Sulphonyl Methane (MSM) | MSM | supplement · good | - | 8.0 |
| 9 | Stabilised Green Lipped Mussel | Green-Lipped Mussel | supplement · good | - | 7.5 |
| 10 | DHA Gold | DHA | supplement · good | - | 7.0 |
| 11 | Soya Oil | Soybean oil | oil · medium | - | 6.4 |
- 1. Glycerine11.8% estimated
- 2. Maize11.2% estimated
- 3. Wheat10.7% estimated
- 4. Linseed10.2% estimated
- 5. Wheat Gluten9.6% estimated
- 6. Molasine9.1% estimated
- 7. Glucosamine HCl8.6% estimated
- 8. Methyl Sulphonyl Methane (MSM)8.0% estimated
- 9. Stabilised Green Lipped Mussel7.5% estimated
- 10. DHA Gold7.0% estimated
- 11. Soya Oil6.4% estimated
Trust and sourceNo recalls recorded in our database · checked 2026-09-13
Brand and contact: Leader
- Website
- https://redmillsstore.co.uk/
Trust and provenance
- Recall history
- No recalls recorded in our database
- Label data last checked
- 2026-09-13
- Product page
- redmillsstore.co.uk
Recall history is presentation-only and never affects the score. Dates are when we recorded the data, not when the manufacturer last changed the recipe.
Brand and retailer reviews
External platform ratings are not scores for this individual recipe.
Spotted a mistake in this listing? Report it here and we'll take a look.
Score details and methodologyCalculations, history and evidence
Recipe: how the 1-100 score is calculated
Scored with model v3 on 2026-10-25. Each component is the feature value for this product multiplied by the model's published coefficient.
| Component | Input | Coefficient | Contribution |
|---|---|---|---|
| Base score | - | 30.909 | +30.91 |
| Average ingredient quality | 0.4 | 9.191 | +3.45 |
| Carb share of dry matter | 33.8% | -0.115 | -3.89 |
| Oil share of dry matter | 7.7% | -0.092 | -0.71 |
| Vegetable share of dry matter | 11.1% | -0.005 | -0.06 |
| Supplement share of dry matter | 34.7% | -0.012 | -0.42 |
| Other share of dry matter | 7.2% | -0.375 | -2.68 |
| Unrecognised share of dry matter | 5.5% | -0.027 | -0.15 |
| Recipe graded poor | 20.3% | -0.065 | -1.32 |
| Number of poor ingredients | 2 | -0.876 | -1.75 |
| Largest single poor ingredient | 10.7% | 0.060 | +0.64 |
| Undeclared quantities | 100.0% | -0.106 | -10.56 |
| Low meat (under 10% of dry matter) | yes | -3.158 | -3.16 |
| Processing multiplier | 0.98 | 33.786 | +33.11 |
| Processing: Dry Baked | yes | -6.713 | -6.71 |
Show all 40 components
| Component | Input | Coefficient | Contribution |
|---|---|---|---|
| Base score | - | 30.909 | +30.91 |
| Average ingredient quality | 0.4 | 9.191 | +3.45 |
| Meat share of dry matter | 0.0% | 0.096 | +0.00 |
| Carb share of dry matter | 33.8% | -0.115 | -3.89 |
| Oil share of dry matter | 7.7% | -0.092 | -0.71 |
| Vegetable share of dry matter | 11.1% | -0.005 | -0.06 |
| Additive share of dry matter | 0.0% | 0.163 | +0.00 |
| Supplement share of dry matter | 34.7% | -0.012 | -0.42 |
| Other share of dry matter | 7.2% | -0.375 | -2.68 |
| Unrecognised share of dry matter | 5.5% | -0.027 | -0.15 |
| Recipe graded poor | 20.3% | -0.065 | -1.32 |
| Poor-quality meat in recipe | 0.0% | -0.179 | +0.00 |
| Number of poor ingredients | 2 | -0.876 | -1.75 |
| Largest single poor ingredient | 10.7% | 0.060 | +0.64 |
| Undeclared quantities | 100.0% | -0.106 | -10.56 |
| Prints ingredient percentages | no | 0.000 | +0.00 |
| Complete diet | no | 2.294 | +0.00 |
| Frozen or chilled fresh | no | 0.000 | +0.00 |
| High meat (30%+ of dry matter) | no | 0.707 | +0.00 |
| Low meat (under 10% of dry matter) | yes | -3.158 | -3.16 |
| High carb and low meat | no | -1.180 | +0.00 |
| Meat share × printed percentages | 0.0 | 0.000 | +0.00 |
| Meat share × fresh | 0.0 | 0.000 | +0.00 |
| Fresh × high meat | 0.0 | 11.084 | +0.00 |
| Additive penalty | 0.00 | 0.222 | +0.00 |
| Processing multiplier | 0.98 | 33.786 | +33.11 |
| Processing: Raw | no | -0.054 | +0.00 |
| Processing: Fresh Chilled | no | -2.354 | +0.00 |
| Processing: Fresh Frozen | no | -2.354 | +0.00 |
| Processing: Fresh Refrigerated | no | 0.000 | +0.00 |
| Processing: Fresh Shelf | no | -0.672 | +0.00 |
| Processing: Dry Freeze Dried | no | 6.629 | +0.00 |
| Processing: Dry Air Dried | no | 6.331 | +0.00 |
| Processing: Dry Cold Pressed | no | -6.713 | +0.00 |
| Processing: Dry Baked | yes | -6.713 | -6.71 |
| Processing: Dry Extruded | no | -6.713 | +0.00 |
| Processing: Dry Semi Moist | no | -6.174 | +0.00 |
| Processing: Dry Muesli | no | -10.146 | +0.00 |
| Processing: Wet Pate | no | -0.672 | +0.00 |
| Processing: Wet Chunks | no | -0.672 | +0.00 |
- Processing-type offset
- +0.02
- Additives declared on label
- +2 transparency bonus
- Subtotal
- 38.7
- Final score
- 39/100
Contributions are rounded to two decimals, so they may not sum exactly to the subtotal. The full coefficient table is published on the methodology page.
This is not a complete diet, so the 1-100 rating does not apply to it. Read the recipe breakdown above as ingredient-quality context only.
Score history across model versions
The score shown above is always computed with the latest published model. Earlier scores are kept for the record and are never edited or deleted; a scoring change ships as a new model version with a public write-up on the methodology page.
Nutritional: declared analysis vs reference ranges
Not applicable to complementary food. FEDIAF reference ranges apply to complete diets.
Transparency: what the label discloses
How much the manufacturer discloses, measured against the FEDIAF Code of Good Labelling Practice and Regulation 767/2009. Mandatory items dominate the weighting.
| Item | Points |
|---|---|
| Ingredient list on the label (mandatory) | 10/10 |
| Printed percentages on the label (voluntary) - not on file | 0/20 |
| Analytical constituents declared (mandatory) - not on file | 0/15 |
| Additives declared (mandatory) | 10/10 |
| Energy value declared (voluntary) - not on file | 0/5 |
| Complete/complementary designation (mandatory) | 5/5 |
| Feeding guidance given (mandatory) | 10/10 |
| Manufacturer identity and address (mandatory) | 5/10 |
| Country of manufacture stated (voluntary) | 10/10 |
| Batch and date labelling (mandatory) - not on file | 0/5 |
Capped at 60: mandatory items missing (Analytical constituents declared, Batch and date labelling).
Safety: recall history
Recall and safety-notice history, time-decayed. This dimension is shown alongside the score and never feeds the headline number.
No recalls recorded in our database.
See all current recalls we track.
Evidence: what the brand claims, and what supports it
The claims made on the pack and product page, checked against the declared label. We record claims as stated; "consistent" means our stored label data supports the claim, "contradicted" means it conflicts with it. Functional claims are recorded but never scored.
Claims on file; none we can check against the label
| Claim | Type | Check | Substantiation |
|---|---|---|---|
| provide essential nutrients to maintain joint health and mobility in dogs (on page) | Functional | not checkable | Manufacturer assertion |
| Ideal for dogs: Active Agility Working Senior (on page) | Functional | not checkable | Manufacturer assertion |
| Recommended by professionals and trusted by pet owners. (on page) | Functional | not checkable | Manufacturer assertion |
| Contains Glucosamine, Green Lipped Mussel, and MSM. (on page) | Content | not checkable | Manufacturer assertion |
The full scoring method is published. See the methodology for exactly how the headline score and each dimension are calculated.
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