Harringtons Senior Chicken & Rice vs IAMS Senior Small/Medium Chicken
Side-by-side comparison of scores, ingredients, prices and real customer feedback for Harringtons Senior Chicken & Rice and IAMS Senior Small/Medium Chicken.
Last verified: 01 Mar 2026 · Based on 24 reviews
Our Verdict: Harringtons Senior Chicken & Rice or IAMS Senior Small/Medium Chicken?
Harringtons edges ahead on value (85 vs 76) and offers a larger 12kg bag at £25.93, making it the better pick for multi-dog households or those buying in bulk. IAMS suits owners of small or medium breeds with dental concerns, thanks to its DentalCare system in a more manageable 3kg pack.
— AIScored Editorial Team
Harringtons Senior Chicken & Rice scores 71.0/100 vs IAMS Senior Small/Medium Chicken at 71.0/100. Harringtons Senior Chicken & Rice wins on ingredient quality, value for money, transparency. IAMS Senior Small/Medium Chicken is stronger on nutritional value.
Harringtons Senior Chicken & Rice vs IAMS Senior Small/Medium Chicken: What Does the Data Say?
Both Harringtons and IAMS Senior land at the same overall score of 71/100, which makes this less a question of which is better and more a question of which fits your dog's specific situation. The clearest practical difference is the DentalCare system in the IAMS — a kibble shape and texture designed to help reduce tartar build-up, which is a genuine concern in smaller breeds that tend to be more prone to dental disease. Harringtons has no equivalent feature, but compensates with a substantially better value score (85 versus 76) and, at £25.93 for 12kg compared to IAMS's £10.50 for 3kg, works out considerably cheaper per kilogram. Both use named chicken as the primary protein and are wheat-free, and neither discloses glucosamine or chondroitin quantities — a real gap for a senior-labelled product from either brand.
If you have a larger dog, a multi-dog household, or you're simply watching your monthly spend, Harringtons is the more economical pick and covers senior dogs aged seven-plus without fuss. The IAMS is better suited to small and medium breeds where dental health is a priority — the DentalCare system does address something Harringtons simply doesn't.
One important caveat for the IAMS: despite being labelled wheat-free, it's produced in a facility that handles wheat. For a dog with a confirmed wheat allergy rather than a mild sensitivity, that cross-contamination risk makes Harringtons the safer option.
How Do the Scores Compare?
Harringtons Complete Dry Se...
HARRINGTON
|
IAMS Senior Small Medium Co...
IAM
|
|
|---|---|---|
| Overall Score | 71.0 | 71.0 |
| Ingredient Quality |
68.0/100
Best
|
65.0/100 |
| Nutritional Value | 62.0/100 |
68.0/100
Best
|
| Value for Money |
85.0/100
Best
|
76.0/100 |
| Transparency |
72.0/100
Best
|
62.0/100 |
| Palatability |
84.0/100
Best
|
83.0/100 |
| Best Price |
£29.35
£25.51
Amazon UK →
-13% deal
|
£10.50
Amazon UK →
Cheapest
|
| Form | ||
| Dose | ||
| Third-Party Tested | ✗ No | ✗ No |
| Reviews Analysed | 12 | 12 |
Harringtons Complete Dry Senior ...
Pros
- ✓Named chicken as primary protein — no vague meat derivatives or by-products
- ✓Wheat-free and free from artificial colours, flavours, and preservatives
- ✓High palatability: dogs consistently reported to enjoy it, including fussy eaters
- ✓Excellent value for money relative to ingredient quality — subscription further reduces cost
Cons
- ✗No mention of glucosamine or chondroitin — joint support absent for a senior-labelled product
- ✗Listed as suitable for puppy, adult, and senior — senior-specific formulation differentiation unclear
- ✗One verified review reported worm contamination in the package — isolated but concerning
- ✗Several Amazon reviews appear cross-listed from different Harringtons variants (puppy, salmon), reducing review reliability
Best For
IAMS Senior Small Medium Complet...
Pros
- ✓Strong palatability reported consistently — including fussy small breeds and multi-dog households
- ✓Named chicken as primary protein source; no generic meat derivatives or by-products listed
- ✓Wheat-free formula appropriate for dogs with grain sensitivities
- ✓Dental care system addresses a genuine senior health concern
Cons
- ✗Produced in a facility that handles wheat — cross-contamination risk for dogs with confirmed wheat allergy
- ✗No disclosed quantities for joint-support ingredients (glucosamine/chondroitin) despite joint health claim
- ✗Mid-market formulation — ingredient quality is decent but not premium (no fresh/whole meat, likely uses dried chicken)
- ✗Reviews are largely generic ('great food', 'dogs love it') with limited detail on digestibility or stool quality
Best For
Score Breakdown: Harringtons Senior Chicken & Rice vs IAMS Senior Small/Medium Chicken
Harringtons Senior Chicken & Rice is a UK-made complete dry food featuring chicken as the primary named protein source, with no artificial additives, no wheat, and no vague meat by-products — a solid mid-market offering for senior dogs.
What are the key differences?
Frequently Asked Questions
Which is better, Harringtons Senior Chicken & Rice or IAMS Senior Small/Medium Chicken? ▼
Is Harringtons Senior Chicken & Rice worth the price compared to IAMS Senior Small/Medium Chicken? ▼
Which has fewer side effects? ▼
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What the Data Says
Which senior dog food brands use named meat sources vs 'derivatives'?
All top 10 senior dog foods in our database use named meats and zero by-products. Across 20 scored products, the pattern is consistent: higher ingredient quality tracks with specific protein sourcing.
The top five by overall score:
- Naturediet Feel Good Wet (82/100, IQ 83) — chicken and turkey
- Pooch & Mutt Adult Minis (78/100, IQ 81) — chicken
- Pooch & Mutt Complete Senior (77/100, IQ 78) — chicken
- Pooch & Mutt Slim & Slender (77/100, IQ 79) — chicken
- Skinner's Field & Trial Light & Senior (74/100, IQ 70) — chicken
The ingredient quality spread is 18 points (83 down to 65), and it tracks closely with how specific brands are about their protein sources.
Why it matters: "meat and animal derivatives" is a legal catch-all that lets manufacturers swap protein sources between batches. Named meats — "chicken 26%" or "turkey 30%" — lock the recipe down. For senior dogs with sensitive digestion, that consistency matters. Check the first three ingredients: if you see a specific animal name with a percentage, you know what your dog is eating.
Does senior dog food need to be grain-free?
The data says no. Our top-scoring senior dog food — Naturediet Feel Good Wet at 82/100 — contains grains and still outperforms every grain-free option in the category.
The top five is split on grain status:
- Naturediet Feel Good Wet (82/100, IQ 83) — not grain-free
- Pooch & Mutt Adult Minis (78/100, IQ 81) — grain-free
- Pooch & Mutt Complete Senior (77/100, IQ 78) — grain-free
- Pooch & Mutt Slim & Slender (77/100, IQ 79) — grain-free
- Skinner's Field & Trial (74/100, IQ 70) — gluten-free, not grain-free
What actually separates good from mediocre senior dog food: named meat content, absence of by-products, and overall formulation quality. Grains like brown rice and oats provide fibre and slow-release energy that many senior dogs handle well.
The grain-free trend started from concerns about specific grain allergies — real, but uncommon. Unless your vet has identified a grain sensitivity, ingredient quality scores are a better predictor of food quality than the grain-free label alone.
Disclaimer: AIScored provides data-driven comparisons based on publicly available reviews. This is not medical advice. Affiliate links may earn us a commission at no extra cost to you.
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