Can dogs eat liver?

Caution — cooked, small amounts only

Plain cooked liver is nutrient-rich and most dogs love it, but too much causes vitamin A toxicity. Use as an occasional treat.

The full picture

Liver (beef, lamb, chicken) is a powerhouse treat — extraordinarily rich in protein, iron, vitamin A, B vitamins, and copper. Dried liver is a classic high-value training reward. The catch: liver is so high in vitamin A that regular large amounts cause vitamin A toxicity (hypervitaminosis A), which damages bones and joints over time. Rule of thumb: liver should never be more than 5% of total diet. Cook plain (boil or bake, no seasoning), or buy freeze-dried liver treats. Raw liver carries bacterial risk.

Risks to watch for

  • Vitamin A toxicity with overfeeding
  • Bacterial risk if raw
  • Gout in prone dogs (purines)

Potential benefits

  • Extraordinarily nutrient-dense
  • Iron, vitamin A, B vitamins
  • High-value training treat

Safe portion size

A small piece (thumbnail-sized) a few times a week at most.

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Related foods

Beef yes Chicken yes
Written and reviewed by
The Can My Dog Eat editorial team

Every food page is cross-checked against UK veterinary sources including the Veterinary Poisons Information Service (VPIS), the Animal PoisonLine, PDSA, and the Merck Veterinary Manual before publication. We do not accept paid placements from brands. If you spot an inaccuracy, please let us know — we take errors seriously and correct them quickly.

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Checked against UK veterinary guidance — see our editorial standards and source list. If your dog has eaten something and you need urgent advice, call a vet or the Animal PoisonLine on 01202 509000.

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 — or the Animal PoisonLine on 01202 509000 in the UK.