Sign up, earn points, get treats
Enable accessibility
How to Choose the Best Food for Your Small Dog
In this Article
Small dogs have big nutritional needs. Toy and small breeds have higher energy demands relative to their size, smaller mouths, and a greater tendency toward weight gain than larger dogs. Choosing the right food is one of the most impactful everyday decisions you can make for your pup’s long-term health.
Feeding your small dog by life stage
Puppy
Puppy food formulated for small breeds is typically calorie-dense and designed to support muscle development, bone health, and immune function during the first year. Very small and toy breeds can be sensitive to long gaps between meals early on, so frequent, consistent feeding schedules matter. Your vet can advise on how often to feed based on your pup’s breed and growth rate.
Adult
Most small dogs reach adulthood around 10 to 12 months. Dry dog food for small adults is the most widely used format. It’s easy to portion and the chewing action may help slow plaque accumulation on teeth. Weight management is especially important. Small breeds that don’t get a lot of vigorous daily exercise can gain weight quickly, and even modest excess weight puts real strain on a small frame.
Senior
Whether to switch to a senior formula is more nuanced than many pet parents expect. Senior-labeled foods vary significantly between brands and aren’t held to standardized nutritional requirements. If your older dog is maintaining a healthy weight and body condition on their current diet, a switch may not be necessary. Talk to your vet if you notice changes in weight, muscle mass, appetite, or mobility.
Dry food, wet food, or both?
Dry kibble is the most practical format for most small dogs. It’s easy to measure, calorie-dense, and the chewing action may offer some dental benefit. Look for kibble sized for small mouths. Standard large-breed kibble can be difficult to chew and may be a choking risk for smaller dogs.
Wet dog food works well for picky eaters or dogs that need more moisture in their diet. Some pet parents mix a small amount of wet food or dog food toppers into dry kibble to boost palatability without a full format change.
Fresh and frozen dog food is available for pet parents looking for minimally processed options. If you go this route, look for options that use a pathogen-reduction process like pasteurization, and speak with your vet before transitioning.
What to look for on the label
Lead with protein
Ingredients are listed by weight, so what appears first makes up the greatest proportion of the food. Look for a named protein source, like chicken, beef, or salmon, at the top of the list. A formula that leads with a named protein is generally higher in animal protein than one that leads with grains or vaguely described “meat meals.” Focus on a solid foundational food rather than chasing add-in ingredients that may make up less than one percent of the total formula.
What “small breed” on the label means
Small breed-labeled formulas are typically designed with higher calorie density, smaller kibble, and nutrient profiles suited to dogs under 20 pounds. That’s a useful starting point, but not a guarantee of the right fit for every dog. Your vet can help evaluate whether a specific formula suits your pup’s individual needs.
Grain-free food: what to know
Beginning in 2018, the FDA investigated a potential link between diets high in legumes, like peas and lentils, and dilated cardiomyopathy (DCM) in dogs. In December 2022, the FDA concluded the reports received were insufficient to establish a causal relationship and ended routine updates on the investigation. The pattern observed was primarily associated with diets listing legumes as main ingredients, in both grain-free and some grain-containing formulas.
If your dog has known cardiac risk factors or you’re considering a formula heavy in legume ingredients, it’s worth discussing with your vet.
Feeding amounts
The serving suggestion on a bag is a starting point, not a prescription. Individual dogs vary in metabolism, activity level, and health status. Use the label as a baseline, monitor your dog’s body condition, and ask your vet to help dial in the right daily amount.
A word on treats
Treats add up fast in small dogs where every calorie counts. Most veterinary nutritionists recommend keeping treat calories to no more than 10% of your dog’s daily intake. Setting aside part of your dog’s regular meal for training rewards is a practical way to keep things balanced. Explore dog training treats designed with small serving sizes in mind.
Switching your small dog’s food
A gradual transition over seven to 10 days helps avoid digestive upset:
- Day 1: 75% old food, 25% new food
- Day 2: 70% old food, 30% new food
- Day 3: 60% old food, 40% new food
- Day 4: 50% old food, 50% new food
- Day 5: 40% old food, 60% new food
- Day 6: 25% old food, 75% new food
- Day 7: 100% new food
If your dog develops any digestive or skin changes, check in with your vet before continuing. See Safely Changing Your Dog’s Diet for more.
Frequently asked questions (FAQs)
How often should I feed my small dog?
Most adult small dogs do well with two meals per day. Puppies generally need more frequent smaller meals, and very small breeds may be sensitive to long gaps between meals when young. Your vet can recommend a schedule based on your dog’s age and breed.
My small dog is picky. What can I do?
Rule out dental discomfort or a digestive issue first. If your vet has cleared them, try warming wet food slightly or adding food toppers to their kibble. Avoid offering table scraps, as this can reinforce selective eating over time. See What Should I Do If My Dog Won’t Eat? for more.
Should I give my small dog supplements?
Most well-formulated commercial dog foods are designed to meet a dog’s core nutritional needs. Some dogs may benefit from targeted supplements for specific health concerns, but supplements for pets aren’t always well regulated. Consult your vet before adding anything. See Does My Dog Need Supplements?.
Information in this article is not intended to diagnose, treat or cure your pet and is not a substitute for veterinary care provided by a licensed veterinarian. For any medical or health-related advice concerning the care and treatment of your pet, contact your veterinarian.
Shop this article
Related articles
