A complete, balanced diet is the foundation of your dog's health — but even the best meals can leave nutritional gaps, particularly for raw-fed dogs, working breeds, or dogs at different life stages. Our Multi-Vitamins collection carries three standout supplements: two sizes of the trusted Dorwest Keeper's Mix herbal blend, and the Vetzyme B-Complex Conditioning Tablets. Here's how they compare.
1. Dorwest Herbs Keeper's Mix – Natural Herbal Supplement, 500g
£49.38

The Dorwest Keeper's Mix 500g is the entry-point size for one of the UK's most respected herbal pet supplement brands. The formula combines eight carefully selected herbs to provide a concentrated source of antioxidants, vitamins, minerals, and chlorophyll — neutralising free radicals, supporting vital organ function, and promoting a thick, healthy coat. It's 100% herbal with no artificial additives, making it ideal for raw-fed dogs and cats. Backed by 75 years of expertise since 1948, Dorwest is a brand trusted by vets and raw feeders alike. At £49.38 for 500g, it's the right starting size for new customers or smaller dogs.

Best for: Raw-fed dogs and cats, new customers, smaller dogs, those wanting a clean herbal formula.
Size: 500g | Formula: Eight-herb blend | Key benefits: Antioxidants, coat health, organ support | Suitable for: Dogs & cats | Value per 100g: £9.88
2. Dorwest Keeper's Mix – Herbal Health Supplement for Dogs & Cats, 1kg
£77.58

The Dorwest Keeper's Mix 1kg is the identical eight-herb formula in a larger bag. At £77.58 for 1kg, it works out at £7.76 per 100g versus £9.88 per 100g for the 500g — a saving of around 21% per gram. It's the smart choice for multi-pet households, larger dogs with higher daily doses, or owners who've already tried the 500g and want to commit to a longer supply. The same raw-diet-friendly, no-artificial-additives credentials apply, and it's suitable for both dogs and cats.

Best for: Multi-pet households, larger dogs, existing Keeper's Mix customers wanting better value, long-term supplementation.
Size: 1kg | Formula: Identical to 500g | Value per 100g: £7.76 | Saving vs 500g: ~21% per gram | Suitable for: Dogs & cats
3. Vetzyme Dog Conditioning Tablets – B-Complex Vitamins, 3000 Count
£61.51

The Vetzyme B-Complex Conditioning Tablets take a completely different approach — a scientifically formulated tablet supplement focused specifically on B-complex vitamins to promote fitness, vitality, coat care, and immune support. Where Keeper's Mix is a broad herbal blend, Vetzyme targets the specific nutritional role of B vitamins: energy metabolism, nervous system support, and skin and coat health. The tablet format is easy to administer alongside food, and the 3,000-tablet pack is exceptional value at just over 2p per tablet — enough for years of daily supplementation. Suitable for puppies, adults, and nursing dogs, it covers the widest range of life stages in this comparison.

Best for: Dogs needing targeted B-vitamin support, puppies, adults, nursing dogs, tablet format preference, long-term bulk value.
Count: 3,000 tablets | Key nutrients: B-complex vitamins | Benefits: Fitness, coat care, immune support | Life stages: Puppy to adult, nursing | Cost per tablet: ~2p
Side-by-Side Comparison
| Feature | Dorwest 500g | Dorwest 1kg | Vetzyme 3000 Tablets |
|---|---|---|---|
| Price | £49.38 | £77.58 | £61.51 |
| Format | Herbal powder | Herbal powder | Tablet |
| Formula Type | Eight-herb blend | Eight-herb blend (same) | B-complex vitamins |
| Raw Diet Friendly | ✅ | ✅ | Complements any diet |
| Suitable For | Dogs & cats | Dogs & cats | Dogs only (all life stages) |
| Value Per Unit | £9.88/100g | ✅ £7.76/100g | ✅ ~2p/tablet |
| Brand Heritage | ✅ 75 years (est. 1948) | ✅ 75 years (est. 1948) | Established UK brand |
| Best For | New customers, smaller dogs | Multi-pet, larger dogs | B-vitamin focus, all life stages |
Which Dog Supplement Is Right for You?
The Dorwest Keeper's Mix and Vetzyme tablets take fundamentally different approaches, so the right choice depends on what you're trying to achieve. If you want a broad-spectrum herbal supplement that supports overall health, coat condition, and organ function — particularly for raw-fed dogs or cats — the Dorwest Keeper's Mix is the trusted choice from a brand with 75 years of herbal expertise. Choose the 500g at £49.38 if you're trying it for the first time or have a smaller dog, and upgrade to the 1kg at £77.58 once you're committed — you'll save around 21% per gram and reduce how often you need to reorder.
If you want targeted B-vitamin support — for energy, coat health, nervous system function, or immune support — and prefer a tablet format that's easy to administer at any life stage from puppy to nursing adult, the Vetzyme 3,000-Tablet Pack at £61.51 is exceptional value at just 2p per tablet and a supply that will last most dogs well over a year.
Browse all three and more in our Multi-Vitamins collection.
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