How to Choose Puppy Food: A Seven-Point Checklist
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Run these seven checks on any puppy food, in a pet shop or on a listing page. They take a few minutes and will rule out most poor fits. Three real listings are used as examples, not recommendations.
Does it say complete?
A puppy needs a food that is labelled complete for growth, meaning it is meant to be the whole diet without additions. Look for the word on the front or in the description. The listing for Burns Original Puppy Chicken & Rice says it is a "100% complete food". Not every listing makes this obvious in its text, so if you cannot find it, check the pack before buying.
Is it right for the adult size?
Puppy foods are often sold by expected adult size, because a giant breed grows differently from a terrier. Royal Canin's Medium Puppy is described on its listing as for medium breeds and for growth from weaning to 12 months. If you will own a very large or very small dog, look for a recipe made for that size, and see our guide on puppy food by breed size. Be wary of listings whose own fields disagree. The Burns listing, for instance, gives "small breeds" in one place and "large" in another, so rely on the pack, not the filter.
What are the first ingredients, and how are they described?
Ingredients are listed in order of weight, so the first few tell you most of what is in the bag. Look for named meats (chicken, salmon) rather than vague terms, and for percentages where they are given. Lily's Kitchen Puppy lists 27% fresh chicken, 10% salmon and 7% chicken liver, which is easier to judge than a line saying only "meat and animal derivatives". Be aware that "dried" and "fresh" meat are weighed differently, so percentages are not directly comparable between recipes. Our guide to reading a dog food label explains this in detail.
Does anything in it clash with your puppy?
Check the allergen information and ingredient list against anything your puppy has reacted to, or that the breeder or rescue has flagged. The Royal Canin listing lists wheat as an allergen, and the Lily's Kitchen one flags salmon. Neither is a flaw, but each rules the food out for a puppy that cannot have that ingredient. Grain-free is a separate question and not automatically better or worse; our piece on grain-free versus grain-inclusive food covers it.
How much energy and protein does it give?
Some listings publish an analysis and some do not. The Royal Canin Medium Puppy description gives an energy content of 4190kcal/kg and 32% protein; the Lily's Kitchen and Burns listings we reviewed do not state either in the text available. A published figure lets you compare foods directly and adjust portions as your puppy grows. If it is not given, it will be on the pack.
Does the size of the bag suit you?
A big bag may seem better value, but your puppy has to finish it while it is still fresh. The Burns bag on the listing is 12kg, the Royal Canin 10kg and the Lily's Kitchen 7kg. A small breed puppy will take a long time to get through 12kg. To compare value fairly, work out cost per day: divide the bag's weight by the daily amount in the feeding guide to find how many days it lasts, then divide the pack price by that number. Check the current price on Amazon at the time of buying.
Can you switch to it safely, and will your vet agree?
Whatever you pick, move to it gradually. Lily's Kitchen advises changing over 4 to 5 days on its listing, and many owners and vets use a slower week to ten days for sensitive puppies. Ask the breeder what your puppy is currently eating, and keep the same food for the first few days at home before changing anything, as it avoids piling a new diet on top of a new home.
Mention your choice at your first vet visit. This article is general information, and your vet can tell you whether the food and portions fit your puppy's weight and growth. See also how to switch your dog's food for a day-by-day pattern.
Putting the checklist to work
Do not try to compare every food on the market. Pick two or three that pass the first two checks, line them up against the remaining five, and note where a listing leaves a gap. A gap is not a reason to reject a food outright, since the pack usually fills it in, but it is a reason to read the pack before you pay. The same goes for contradictions inside a single listing. If a food passes everything and your puppy eats it happily, stay with it rather than chasing the next recipe, and let your vet's weigh-ins tell you whether it is working.
Marketing words to treat with caution
Terms such as "vet approved", "natural", "superfood" or "hypoallergenic" appear across many listings, and they are claims made by the seller. They are not a guarantee that a recipe suits any one puppy. Judge the food on the checks above: completeness, size fit, named ingredients, allergens, published analysis, pack size and a sensible switch. That list is more reliable than any badge.
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