Description
Meet the Nova Wonder Bar beef liver: a firm, long-lasting bar of beef gelatine and collagen with a beef liver flavour dogs go daft for. Choose the Medium at 10cm or the Large at 12cm, and watch it soften gradually as your dog gnaws. There’s even a bonus round once it’s nearly gone.
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Among collagen chews for dogs, this one keeps the recipe refreshingly short: beef gelatine, collagen, natural flavour, salt and black carrot extract for colour. It’s high in protein too, at 74% crude protein, with 0% crude oil and fats on the analysis.
The naturally occurring collagen is there to support healthy joints, skin and coat. That makes the Nova Wonder Bar beef liver a handy everyday gnaw for dogs who like something to get stuck into.
Is the Wonder Bar too firm for my dog?
Plenty of dogs take to it straight away, but some prefer a gentler start. Soak one end in warm water for 3–5 minutes to soften the outer layer, then hand it over. Don’t leave it sitting in water.
It’s designed not to splinter or break the way some harder chews can. Even so, stay close by. Supervise every session and take the bar away once it’s small enough to swallow.
What can I do with the last little piece?
Don’t bin it. Soak the end piece in warm water for 10 minutes, then turn it into a soft collagen puff:
- Microwave: parchment-lined plate, high for 45–60 seconds (longer for more than one). Light and airy.
- Oven: parchment-lined tray, 180°C for 15–20 minutes until golden and puffed. Denser and crunchier.
Cool completely before serving.
Dogs from 12 weeks can have it, so growing pups are welcome (supervised, of course). Give it as a complementary treat alongside a complete, balanced diet. For more ideas, browse our dog treats or our puppy range.
Nutrition and key information
The Nutrition
- Protein packed: 74% crude protein
- Simple recipe: beef gelatine, collagen, natural flavour, natural colour (black carrot extract) and salt
- Everyday wellbeing: naturally occurring collagen to support healthy joints, skin and coat
Sizes & Leftovers
- Two sizes: Medium at 10cm or Large at 12cm
- Zero waste: the last piece can be soaked, then microwaved or baked into a soft puff
- Easy softening: soak one end in warm water for 3–5 minutes if the bar is too firm
- Puppy friendly: suitable from 12 weeks, supervised



























































































































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