As of 13 August 2026, AI can only partly choose the best food for your pet.

What to actually do

1. Hand it to a person

   The route this page recommends

   A person who owns the outcome does this end to end, worth it when the failure is dear.

2. Use a tool built for this

   Second choice

3. Do it yourself

   The distant third

   A chat interface, no skill needed, and roughly 30 minutes until you can act on the result.

   How to actually do it

   1. Gather your pet's species, age, breed or size, current weight, activity level, neutering status, current food, allergies, medical conditions, medication and any instructions from your vet.
   2. Open the product pages or photograph the packaging for the foods you are considering, including the ingredients, nutritional information, feeding guidance and whether each food is complete or complementary.
   3. Paste the supplied prompt into a chatbot, replace the bracketed sections with your pet's details and product information, and answer its follow-up questions without guessing.
   4. Ask the chatbot to separate facts copied from each label from its general comparison, then use its shortlist to identify the specific products worth checking.
   5. Compare every factual claim in the shortlist against the current packaging and remove any option whose label conflicts with an allergy, medical condition or vet instruction.
   6. Send the remaining product names and the chatbot's questions to your vet before changing food if your pet has a condition, takes medication, has worrying symptoms or needs a specialist diet.
   7. If the choice is suitable for home feeding, follow the chosen product's feeding guidance, change over gradually as advised by your vet or the label, and monitor your pet's eating, stools, weight and symptoms.

   Prompt

   Help me compare food options for my pet in the UK. Do not diagnose illness, prescribe a diet or claim that a food treats a medical condition. If my pet has a medical condition, takes medication, is pregnant, is very young or old, is losing weight, has persistent digestive problems, or has any other worrying symptom, tell me to speak to a vet before changing food.
   
   First ask for any missing information from this list: species, age, breed or size, current weight, body condition, activity level, whether they are neutered, known allergies or intolerances, current food, feeding problems, medical conditions, medication, vet instructions, preferred food format, budget, and foods available to me. If I do not know something, mark it as unknown rather than assuming.
   
   Then produce a shortlist of suitable food types and explain the trade-offs in plain English. Use only product details and ingredient lists that I provide or link to, and separate verified label information from general guidance. Check whether each option is labelled as complete or complementary where that distinction applies, identify ingredients that may conflict with the information I gave you, and suggest questions for my vet. Do not call one option the best unless the information supports that conclusion. End with a simple transition and feeding-check plan, including what changes would mean I should stop and contact a vet.
   
   My pet's details: [paste details here]
   Products or labels to compare: [paste product names, links or label text here]

   Open it prefilled in ChatGPT or Claude, or copy it into Gemini, which takes no prefill link.