Can Cats Eat [Food]? The Complete Safe Food List
A vet-reviewed guide to every common human food — what is safe for cats, what is toxic, what should only be given in tiny amounts, and why cats are different from dogs when it comes to food safety.
Cats are obligate carnivores — a fundamental biological fact that makes their relationship with human food very different from dogs. Unlike dogs (and humans), cats cannot synthesize certain essential nutrients and must obtain them from animal-based protein. This also means many plant foods and human staples that are safe for dogs can be unsafe, unnecessary, or nutritionally meaningless for cats. This guide covers the most commonly asked foods with clear safe / unsafe / moderation guidance and the reason behind each.
Why Cats Are Different — The Obligate Carnivore Distinction
Cats evolved as strict meat eaters. Unlike dogs, cats: cannot convert beta-carotene to vitamin A (they must eat preformed vitamin A from animal sources); cannot synthesize taurine (they must get it from meat — taurine deficiency causes blindness and heart disease); have very limited ability to digest carbohydrates; require arachidonic acid from animal fat; and have a much higher protein requirement per kilogram of body weight than dogs or humans. This means most fruits and vegetables, while not necessarily toxic to cats, offer them essentially no nutritional benefit. And several human foods that are safe for dogs or humans are dangerous for cats because their liver lacks the enzymes to process them.
If your cat has already eaten something you believe may be toxic, do not wait for symptoms. Call your vet or an emergency animal clinic immediately — many toxins act quickly in cats.
Quick Reference: Common Foods at a Glance
| Food | Verdict | Key note |
|---|---|---|
| Apples | ⚠️ Tiny amounts | Remove seeds/core — seeds contain cyanide |
| Avocado | ❌ Avoid | Persin — GI upset, potential heart effects |
| Bananas | ⚠️ Tiny amounts | High sugar — no benefit for cats |
| Broccoli | ✅ Safe (cooked) | Tiny amounts only, no nutritional benefit |
| Carrots | ✅ Safe (cooked) | Soft cooked only, no raw |
| Cheese | ⚠️ Tiny amounts | Lactose intolerance risk |
| Chicken (cooked) | ✅ Safe | No bones, no seasoning |
| Chocolate | ❌ Toxic | Theobromine + caffeine |
| Coffee / caffeine | ❌ Toxic | Highly sensitive in cats |
| Eggs (cooked) | ✅ Safe | Fully cooked only |
| Garlic | ❌ Toxic | More toxic to cats than dogs |
| Grapes / raisins | ❌ Avoid | Potential kidney failure |
| Green beans | ✅ Safe (cooked) | Plain, soft cooked |
| Liver | ⚠️ Rarely | Vitamin A toxicosis if too much |
| Lilies | ❌ Fatally toxic | Any contact — emergency |
| Macadamia nuts | ❌ Toxic | Tremors, weakness |
| Milk | ⚠️ Usually not | Most cats are lactose intolerant |
| Onions | ❌ Toxic | Hemolytic anemia — very sensitive |
| Paracetamol | ❌ Fatally toxic | No safe dose for cats |
| Peas | ✅ Safe | Plain cooked, small amounts |
| Pumpkin (plain) | ✅ Safe | Good for digestion |
| Rice (cooked) | ✅ Safe | Plain, occasional bland diet use |
| Salmon (cooked) | ✅ Safe | Never raw — thiaminase risk |
| Shrimp (cooked) | ✅ Safe | No shell, fully cooked |
| Tuna (occasional) | ⚠️ Rarely | Mercury + addiction risk if frequent |
| Turkey (cooked) | ✅ Safe | No bones, no seasoning |
| Xylitol | ❌ Toxic | Check all ingredient labels |
✅ Safe Foods for Cats
These foods are generally safe for cats in small amounts as occasional treats. They are not necessary in a cat's diet and should not replace a complete, balanced cat food.
🐟Proteins & Fish
Safe — one of the best human foods to give a cat. Boiled or baked, no seasoning, no bones, no skin. Easy to digest and highly palatable. Widely used in veterinary bland diets for cats.
Safe — similar to chicken. Remove all bones and skin. No stuffing, seasoning, or sauces. Plain roasted or boiled turkey breast in small amounts is fine.
Safe cooked — excellent source of omega-3 fatty acids. Must always be fully cooked — raw salmon can contain parasites and harmful bacteria. No salt, no seasoning, no lemon.
Safe occasionally — plain cooked tuna in small amounts. Canned tuna in water (not oil, not brine) is acceptable rarely. Important: tuna is not nutritionally complete for cats and can cause mercury accumulation and 'tuna addiction' (where the cat refuses all other food) if fed too frequently.
Safe cooked — remove shell, tail, and head. Plain, no seasoning. Low in fat, good protein source. Fine as an occasional treat. Not raw.
Safe cooked — scrambled or hard-boiled, no butter, no salt, no seasoning. Good protein source. Raw eggs carry Salmonella risk and raw egg whites contain avidin which blocks biotin.
Safe cooked — plain, no seasoning or batter. Good protein source, generally well tolerated. Always fully cooked — raw fish can contain thiaminase enzyme which destroys vitamin B1.
Safe in very small amounts — liver is highly nutritious but extremely high in vitamin A. Too much can cause vitamin A toxicosis (bone deformity, joint pain). A small piece occasionally is fine; never feed liver daily.
🥦Vegetables
Safe — cooked, plain, no seasoning. Cats lack the receptors to taste sweetness so most won't be interested, but it is not harmful. Soft cooked pieces only — raw carrot is a choking risk.
Safe in tiny amounts — plain, soft cooked. Some cats enjoy the texture. No nutritional benefit for cats specifically. Not raw.
Safe — plain cooked or frozen peas occasionally. You may notice peas in some commercial cat foods as a carbohydrate and fiber source. Fine in small amounts.
Safe — plain cooked or canned pumpkin (not pie filling) is actually useful for cats with constipation or mild diarrhea. The soluble fiber helps regulate digestion. 1–2 teaspoons per meal for digestive benefit.
Safe — a few thin slices of plain cucumber are harmless. Some cats find the texture interesting. No nutritional benefit. Not a regular food.
Safe — plain, soft cooked green beans in very small amounts. Occasionally used in weight-management diets to add bulk without significant calories.
Safe in very small amounts — plain, well cooked, no seasoning. Cats cannot use plant-based carbohydrates efficiently so this provides no real benefit, but small amounts are not harmful.
🧀Other Safe Foods
Safe — plain white rice is easy to digest and commonly used in bland diets for cats with digestive upset. Not a regular food — cats have no nutritional need for carbohydrates.
Safe in tiny amounts — plain, no sugar, no flavoring. Some cats tolerate it well. Again, no nutritional benefit for cats. Occasionally used as a fiber supplement for constipation.
Not toxic but most cats are lactose intolerant and dairy can cause diarrhea and digestive upset. If your cat tolerates dairy without GI symptoms, a very small piece of hard cheese occasionally is not harmful. Not a recommended treat.
Not toxic — plain, unsweetened yogurt in a small amount is tolerated by some cats. Avoid flavored, sweetened, or xylitol-containing yogurt. Lower lactose than milk due to fermentation.
⚠️ Feed in Tiny Amounts Only — Not Toxic But Potentially Problematic
Most adult cats are lactose intolerant — they lack sufficient lactase enzyme to digest milk sugar (lactose). Milk commonly causes diarrhea, vomiting, and digestive upset in adult cats. Kittens can digest their mother's milk but lose this ability as they mature. Cats do not need milk after weaning.
Lower in lactose than milk but high in fat. Small amounts less likely to cause lactose-related upset than milk, but the high fat content can trigger digestive issues and weight gain in cats. Not a recommended treat.
Occasional tuna is safe but frequent tuna feeding causes: mercury accumulation (tuna is a predatory fish with elevated mercury levels), 'tuna addiction' where cats refuse all other food, and nutritional deficiencies since tuna is not a complete diet. Maximum once or twice per week as a treat.
Not recommended — raw fish contains thiaminase, an enzyme that destroys thiamine (vitamin B1). Regular raw fish feeding causes thiamine deficiency: neurological signs including convulsions, loss of balance, and death. Also carries parasite and bacterial risk. Always cook fish for cats.
Nutritious in small amounts but extremely high in vitamin A. Regular liver feeding causes vitamin A toxicosis: bone malformations, osteoporosis, joint deformity, and chronic pain. An occasional small piece is fine; never feed daily.
Not toxic in a single accidental meal but dog food is not nutritionally adequate for cats — it lacks taurine (essential for cats), arachidonic acid, and preformed vitamin A. Cats fed dog food long-term develop serious nutritional deficiencies. Not a substitute for cat food.
Not toxic when cooked. Small piece occasionally is not harmful but provides no nutritional value for cats. Raw dough is dangerous (yeast expands in the stomach and produces alcohol). Never let cats eat raw dough.
❌ Foods That Are Toxic or Dangerous for Cats
These foods should never be given to cats. Cats are uniquely vulnerable to several toxins that are safe for dogs or humans because their liver lacks certain metabolic enzymes. If your cat has eaten any of these, contact your vet immediately.
All members of the Allium family destroy red blood cells in cats, causing hemolytic anemia. Cats are more sensitive than dogs. All forms are toxic — raw, cooked, dried, and especially powdered. Even small amounts of onion or garlic powder in baby food or broths used to tempt sick cats can cause toxicity. Signs: lethargy, pale or yellow gums, weakness, reduced appetite. Develops over days.
True lilies — Easter lily, Tiger lily, Stargazer lily, Asiatic lily, Day lily — are uniquely and rapidly fatal to cats. Even tiny amounts: pollen on the fur that is groomed off, drinking water from a vase, or chewing a single leaf can cause acute kidney failure within 24–72 hours. This is a cat-specific toxicity — lilies are much less dangerous to dogs. Any contact between cats and true lilies is a veterinary emergency.
Contains theobromine and caffeine which cats cannot metabolize. Dark chocolate and baking chocolate are most dangerous. Cats are less likely than dogs to eat chocolate voluntarily, but any ingestion is concerning. Signs: vomiting, diarrhea, restlessness, increased heart rate, seizures.
Caffeine causes rapid heart rate, restlessness, muscle tremors, and seizures. Cats are highly sensitive to caffeine. No safe amount. Includes coffee grounds, tea bags, and caffeine tablets.
Cats are far more sensitive than humans. Even tiny amounts cause dangerous drops in blood sugar, blood pressure, and body temperature. Fermented foods (unbaked dough) can also produce alcohol in the stomach.
While the mechanism in cats is less well studied than in dogs, grapes and raisins have caused kidney failure in some cats and should be avoided entirely. The toxic component is unknown but the risk of acute kidney failure makes avoidance essential.
Causes severe blood sugar crash and liver failure. Found in sugar-free gum, some peanut butters, toothpaste, vitamins, and baked goods. Cats appear to be somewhat less sensitive than dogs but any exposure should be taken seriously. Always check ingredient labels.
Extremely toxic to cats — more so than to dogs or humans. Cats lack the liver enzyme (glucuronyl transferase) to safely metabolize paracetamol. Even a single standard human tablet can be fatal. Causes methemoglobinemia (inability of blood to carry oxygen), liver failure, and facial swelling. Never give paracetamol to cats under any circumstances.
Human NSAIDs (ibuprofen, aspirin, naproxen) are toxic to cats, causing severe gastrointestinal ulceration, kidney failure, and neurological signs. Never give human pain medication to cats without explicit veterinary instruction.
Many essential oils — tea tree (melaleuca), eucalyptus, peppermint, clove, cinnamon, citrus, pennyroyal — are highly toxic to cats applied to skin or inhaled in high concentrations. Cats cannot metabolize phenols efficiently. Diffusers in enclosed spaces with cats are a risk. Signs: drooling, vomiting, tremors, difficulty walking, breathing problems.
Permethrin — found in many dog-only flea spot-on products — is safe for dogs but can be fatal to cats. Even small amounts (from a cat grooming a recently treated dog, or incorrect application) cause severe tremors, seizures, and death. Never apply dog flea products to cats and keep treated dogs away from cats for 24 hours.
Cause weakness, hyperthermia, vomiting, and tremors in cats. Mechanism not fully understood. No safe amount known.
Contains persin, which is more toxic to some species than others. While cats appear less sensitive than birds and rabbits, avocado can still cause vomiting, diarrhea, and in larger amounts potential heart muscle damage. The large pit is a choking and obstruction hazard.
Yeast in raw dough continues to rise in the warm stomach, causing dangerous gastric distension. Yeast fermentation also produces alcohol, causing alcohol poisoning.
Contains myristicin which is toxic to cats — causes disorientation, elevated heart rate, elevated blood pressure, and seizures. Found in baked goods and some spice mixes.
Monitor Your Cat's Weight and Coat After Diet Changes
Introducing new foods or transitioning diets can affect your cat's weight and body condition. PawScan's photo scan gives you an instant body condition score to ensure any additions to their diet are not causing unexpected weight gain.
Scan your pet nowFrequently Asked Questions
Can cats eat fruit?▾
Most fruits are not toxic to cats but offer essentially no nutritional benefit — cats cannot taste sweetness and have no use for the sugars and plant compounds in fruit. A tiny piece of apple (no seeds), a few blueberries, or a piece of watermelon (no seeds or rind) will not harm your cat but don't expect them to appreciate it. Avoid grapes and raisins entirely — potential kidney toxicity. Never give citrus fruits — the oils and compounds cause digestive upset and skin irritation.
Can cats drink milk?▾
Most adult cats are lactose intolerant — their digestive system produces little lactase enzyme after kittenhood, making milk difficult to digest. The result is often diarrhea, vomiting, and bloating. Kittens can digest their mother's milk but lose this ability as they mature. There is no nutritional reason to give adult cats milk. If you want to give your cat a dairy treat, small amounts of plain yogurt (which has lower lactose due to fermentation) are better tolerated by some cats than straight milk.
Can cats eat dog food?▾
One accidental meal of dog food won't harm a cat, but cats cannot be fed dog food long-term. Dog food is not formulated for a cat's specific nutritional needs: it lacks taurine (essential for cats — deficiency causes blindness and heart disease), has insufficient arachidonic acid, insufficient preformed vitamin A, and lower protein levels than cats require. Cats eating dog food as their primary diet will develop serious nutritional deficiencies over months.
My cat ate a lily — what do I do?▾
Go to a vet or emergency animal clinic immediately — do not wait for symptoms. Lily toxicity in cats is one of the most serious pet emergencies. Even tiny amounts (pollen, a leaf fragment, water from the vase) can cause fatal acute kidney failure within 24–72 hours. Treatment is most effective when started within a few hours of exposure. Early aggressive treatment (IV fluids to support kidneys) significantly improves survival rates.
Can cats eat tuna every day?▾
No — tuna should be an occasional treat for cats, not a regular diet. The risks of daily tuna feeding include: mercury accumulation (tuna is a large predatory fish with elevated mercury that accumulates in the body over time), 'tuna addiction' where cats become fixated on tuna and refuse all other food (making it very difficult to maintain nutritional balance), and thiamine deficiency if raw or canned-in-water tuna is the primary protein (some preparation methods reduce B vitamin content). Occasional tuna — once or twice a week as a small treat — is safe for most healthy cats.
Why is paracetamol so dangerous for cats specifically?▾
Paracetamol (acetaminophen) is uniquely and extremely dangerous for cats because they lack a key liver enzyme — glucuronyl transferase — that humans and dogs use to safely process and eliminate the drug. In cats, paracetamol is converted to a toxic metabolite (NAPQI) that cannot be cleared, causing methemoglobinemia (a condition where haemoglobin cannot carry oxygen, turning blood brown and gums blue), liver failure, facial and paw swelling, and death. Even a quarter of a standard human tablet can be fatal. Never give any human pain medication to a cat without explicit veterinary instruction.
This article is for educational purposes only. Always consult a licensed veterinarian for medical advice specific to your pet.