Yes. Plain tomato paste is not toxic to dogs when served in very small amounts. It is concentrated and often acidic so only tiny portions are appropriate. Avoid products with added salt, garlic or onion.
Last updated:
March 29, 2026
The table below highlights the key nutrients found in this food and how they may impact your dog’s health. Nutritional values can help determine whether a food is beneficial, should be fed in moderation, or is best avoided.
Avoid brands containing onion, garlic or artificial sweeteners, high sodium versions should be limited, the concentrated acidity may irritate sensitive stomachs, never substitute tomato paste for balanced vegetables in a dog’s diet, homemade sauces that contain herbs or chilli should not be used.
Important: We do our best to ensure the information on this page is accurate and based on reputable animal health sources. However, this website is intended for general informational purposes only and the content has not been individually reviewed or approved by a veterinarian.
Every dog is different and reactions to foods can vary. If you have concerns about your dog’s diet or health, it is always best to speak with a qualified veterinarian.
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Here are answers to some of common questions that dog owners ask about this food's safety and nutrition
Tomato paste should not be given every day. While it is not toxic, the acidity and sodium content make it better suited to occasional use only. Regular daily feeding may upset digestion or contribute unnecessary salt, especially if your dog already eats a balanced commercial diet that meets nutritional needs.
The amount of tomato paste depends on your dog’s size and tolerance. Most dogs only need a very small quantity mixed into their food, ranging from a quarter teaspoon for tiny breeds to a couple of teaspoons for very large dogs. Because it is concentrated, using more does not add nutritional benefit and may increase the risk of stomach upset.
If your dog eats too much tomato paste, provide fresh water and monitor for signs like vomiting or loose stools. Most cases result in mild digestive upset, especially if the product was salty. Contact your vet if symptoms persist, or if the paste contained onion, garlic or other additives which may require further assessment.
Puppies have delicate digestive systems and concentrated foods like tomato paste can be harsh if introduced too early. If used at all, only a tiny smear mixed into balanced puppy food is appropriate and not more than occasionally. Watch for loose stools or signs of reflux. Because puppies need nutrient dense complete diets, tomato paste should never replace vegetables or protein sources. Many owners use it simply to encourage eating during transitions.
Small dogs can react more strongly to acidic and concentrated foods, so even tiny amounts of tomato paste should be measured carefully. A small lick mixed into food is usually enough to add flavour. Avoid frequent use because sodium levels accumulate quickly in smaller bodies. If your small dog has a sensitive stomach or history of reflux, it may be best skipped altogether and replaced with milder vegetables like pumpkin.
Older dogs sometimes benefit from stronger flavours when appetite declines, and a small amount of tomato paste can help make meals more appealing. However senior dogs may also have kidney or heart concerns that require reduced sodium. Always choose low salt varieties and use sparingly. If your dog is on medication or a prescription diet, check compatibility first since acidic foods can occasionally irritate older digestive systems.
For overweight dogs, tomato paste can be used cautiously because it adds flavour without large volume. Still, it is calorie dense for its size, so only minimal amounts should be used. Mixing half a teaspoon into a low calorie meal may help maintain interest without increasing portion size. Avoid pairing it with fatty foods like mince or pasta sauces which can quickly increase overall calorie intake.
