Can puppies eat nuts?
Most nuts are best avoided for puppies altogether. Between the high fat content that a growing digestive system copes with poorly, the choking and blockage risk from whole nuts and shells, and some nuts — macadamias in particular — being genuinely toxic to dogs, there is very little reason to offer nuts of any kind to a puppy.
Why nuts are riskier for a puppy than an adult dog
A puppy's digestive system is still developing and reacts more visibly to rich or fatty foods than an adult dog's does, which makes the high fat content in most nuts more likely to cause an upset stomach, and in a worst case contribute to pancreatitis, in a puppy than in a grown dog.
Puppies also explore the world by mouth and are more likely to swallow something whole rather than chew it properly, which raises the choking and blockage risk from a whole nut or a hard shell well above what it would be for a careful adult dog.
The nuts that are genuinely toxic
Macadamia nuts are specifically toxic to dogs of any age, causing weakness, vomiting, tremors and a raised temperature even in small amounts — never offer them to a puppy or an adult dog. Almonds and walnuts are not classed the same way, but they carry their own risks: mould that can develop in poorly stored nuts, and a size and hardness that makes them a genuine choking hazard.
Given how many different problems sit across different types of nuts, it is far simpler to treat the whole category as off-limits for a puppy than to try to remember which nut carries which specific risk.
If your puppy has already eaten some
If your puppy has eaten macadamia nuts, or a meaningful amount of any nut, ring your vet rather than waiting to see whether symptoms appear — this matters more for a puppy than an adult dog simply because of their smaller size relative to whatever they have eaten.
Watch for vomiting, diarrhoea, lethargy, wobbliness or a raised temperature over the following day, and treat any of those as a reason to call your vet promptly rather than monitoring at home.
What to feed instead
A treat made specifically for puppies gives you a safe, sized reward without any of the fat, choking or toxicity concerns that come with nuts, and takes the guesswork out of what is actually appropriate for their age.
A puzzle feeder or soft chew toy suited to a puppy's teething stage is a far better way to keep them occupied than anything containing a nut, whole or otherwise, and gives them something safe to work at for longer than a treat would last.
Make treat time better
Things we stock that owners commonly reach for here. Nothing on this page depends on you buying one.

Chicken-Wrapped Milk Stick Dog Treats
Chewy dog treats of soft milk sticks wrapped in real chicken for tasty, protein-rich rewarding.
From£12.99

Turkey Tail Mushroom & Probiotic Powder
A bacon-flavoured turkey tail mushroom and probiotic powder you sprinkle over food. Made to support immunity, energy and gut health, with scoop guidance for every weight from small to large pets.
£13.99

Yeast Protection Gut & Skin Supplement For Dogs
A powdered daily supplement for dogs to support normal gut flora and healthy skin, with a measuring scoop.
£14.99
Common questions
- Are macadamia nuts poisonous to puppies?
- Yes, genuinely so, and this applies to dogs of any age, not just puppies. They can cause weakness, vomiting, tremors and a raised temperature even in small amounts, and macadamia nuts should never be given to a dog deliberately.
- My puppy stole a peanut from the floor — should I worry?
- A single plain, unsalted peanut without its shell is unlikely to cause serious harm. Watch for any vomiting, diarrhoea or discomfort over the following day, and ring your vet if your puppy seems unwell or you are not sure exactly what or how much they ate.
- Can puppies eat nut butter like peanut butter?
- Only a plain variety with no added sugar or sweeteners, and even then in a very small amount given a puppy's developing digestion. Always check the label for xylitol first, since it is genuinely dangerous to dogs and appears in some sugar-free products.
- When can dogs start eating nuts safely?
- Even adult dogs should only have plain, unsalted nuts occasionally and in small amounts, and macadamia nuts should never be given at any age. For a growing puppy, it is simplest to avoid nuts altogether until they are a fully grown adult dog with no history of digestive sensitivity.
- Is peanut butter the same risk as whole nuts for a puppy?
- It carries fewer of the choking and shell risks, but a plain peanut butter still needs checking for xylitol and given only in a very small amount given a puppy's developing digestion. It is not automatically safer just because it is soft rather than whole.
Related
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Written against guidance published by UK veterinary and welfare organisations. Always confirm specifics with your own vet.
Written by Matt Garnett, who runs Giddy Pets and is a lifelong pet owner — not a vet. This is general information, not veterinary advice, and it cannot replace an examination by the vet who knows your animal. How we write these guides.