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Healthy treats for cats: what's good, what's safe and how much

Updated 2026-10-09

Treats are great for training, bonding and making vet trips or medicine time easier. But they add up fast. The key is to keep treats to no more than 10% of your cat's daily calories.

How many treats is that?

An average 4 kg (9 lb) indoor adult cat needs roughly 200 calories a day, so about 20 calories of treats. Many commercial cat treats are 1 to 3 calories each, so that's roughly 7 to 15 small treats, depending on the brand. Check the packet. If you give more treats, feed a little less at mealtime.

Your vet can tell you your own cat's ideal calories. Overweight cats are much more likely to develop diabetes and arthritis.

Good treat choices

Human foods that are dangerous for cats

Food Why
Onions, garlic, chives, leeks Damage red blood cells and can cause anaemia, even in powders and cooked dishes
Grapes and raisins Linked to kidney damage in dogs. Avoid for cats too.
Chocolate, coffee, energy drinks Theobromine and caffeine are toxic
Alcohol and raw bread dough Toxic, and dough can expand in the stomach
Xylitol (sweetener in gum and some peanut butter) Avoid. Very dangerous for dogs.
Cooked bones Can splinter and cause blockages or tears
Raw fish (regularly) Can destroy vitamin B1 (thiamine) and lead to deficiency
Milk and cream Most adult cats are lactose intolerant and get diarrhoea
Tuna for people (a lot of it) Fine as an occasional treat, but too much can lead to mercury build-up and a fussy eater

Also keep lilies well away from cats. They aren't a food, but every part of the plant, including the pollen and vase water, can cause fatal kidney failure. If you think your cat has eaten any of the above, call your vet.

Using treats well

The short version

Small, high-protein treats, no more than 10% of daily calories, and none of the toxic foods on the list. When you add treats, cut back a little at mealtime.

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