Can dogs eat marmite?

No โ€” far too salty

No. Marmite is extremely salty and often contains onion/garlic extracts. Even a small smear is too much sodium for a small dog.

✓ Reviewed against PDSA, Blue Cross & Animal PoisonLine guidance · Last updated: 2026-06-17

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The full picture

Marmite (and Vegemite, Bovril, and similar yeast extracts) is ridiculously salty โ€” beyond what any dog should consume. It often also contains onion or garlic extract. Even a small smear on a plate is more sodium than a small dog should have in a day. Marmite toast or a dog licking a Marmite knife are all worse than most people realise.

If your dog has already eaten marmite

Call your vet or the ASPCA Animal Poison Control Center on (888) 426-4435 if your dog consumed a significant amount. Monitor for vomiting, diarrhoea, lethargy, and loss of appetite. Bring the packaging or a description of the product to any vet visit.

Risks to watch for

  • Salt poisoning
  • Onion/garlic toxicity
  • Excessive thirst
  • Kidney strain

Safe portion size

None.

Safer alternatives

  • Plain cooked meat

Does size or breed matter?

Risk with marmite scales with the quantity relative to body weight, so small and toy breeds reach a meaningful dose from a much smaller amount than large dogs. Always check for hidden risk ingredients (garlic, onion, xylitol, excess salt) in any prepared or shop-bought version rather than assuming the plain ingredient name on the label tells the whole story.

Common questions

Can dogs eat marmite?
No. Marmite is extremely salty and often contains onion/garlic extracts. Even a small smear is too much sodium for a small dog.
What if my dog accidentally ate a small amount of marmite?
For most toxic foods, a very small accidental taste is different from a significant ingestion โ€” a lick is unlikely to cause the same outcome as eating a full serving. That said, some toxins (xylitol, raisins, grapes) have no safe threshold. If you're unsure whether the amount matters, call your vet or the ASPCA Animal Poison Control Center on (888) 426-4435.
Important: This page is general information, not veterinary advice. Every dog is different, and individual factors (age, breed, health conditions, medications) can change what's safe. If in doubt, always contact your vet โ€” or the ASPCA Animal Poison Control Center on (888) 426-4435 or Pet Poison Helpline on (855) 764-7661 in the UK.