✅ SAFE
Yes — blueberries are one of the best fruit treats you can give a dog. They’re non-toxic, low in sugar and calories, and packed with antioxidants. Wash them, keep the portion small, and halve them for tiny dogs to avoid choking.
Last verified: July 21, 2026
Blueberries are a rare thing in the treat world: a human food that vets actively recommend for dogs. They’re non-toxic, and unlike most fruit they’re genuinely low in sugar and calories, which is why the AKC calls them a “superfood” and PetMD notes they’re “a great source of minerals, antioxidants, and more.” The only real cautions are size — they’re small and round, so a gulping small dog could choke — and the usual rule that treats stay a small slice of the day.
Below is exactly how many to feed by dog size, how to serve them, and the handful of things to watch — including why frozen blueberries make such a good hot-weather reward and why blueberry muffins are a hard no.
Are blueberries good for dogs?
They’re one of the few fruits worth going out of your way to share. A complete dog food already covers your dog’s nutrition, so blueberries aren’t required — but they earn their place in the treat rotation:
- Antioxidants and anthocyanins. The deep blue color comes from anthocyanins, plant compounds the AKC says “help fight free radicals, which are responsible for cellular and molecular damage in dogs and humans.”
- Phytochemicals. PetMD describes blueberries as “rich in antioxidants and plant compounds called phytochemicals” that help protect cells from damage.
- Vitamin C, vitamin K, and fiber, which support immune function, healthy blood, and digestion.
- Low in sugar and calories. This is the standout: blueberries are “naturally low in calories and contain beneficial fiber” (PetMD), which makes them a smarter everyday treat than sweeter fruit for dogs watching their weight.
- Possible brain benefits. The AKC points to studies showing that “adding antioxidants to a dog’s diet reduces the effects of brain aging,” which is one reason blueberries turn up in senior-dog research.
For most dogs, that’s a treat you can feel genuinely good about — and one of the better choices if your dog is a little round in the middle.
Safe serving size
Even a healthy treat follows the 10% rule: treats should make up no more than 10% of your dog’s daily calories, with the other 90% coming from a complete, balanced diet. Blueberries are low-calorie, so a small handful fits most dogs easily — but more isn’t better, and too many at once can upset a stomach.
Start with one or two the first time and watch for any digestive upset. A rough by-size guide, based on PetMD’s daily portions:
| Dog size | Weight | Blueberries (per day) |
|---|---|---|
| Extra-small | 2–10 lb | 1–2 berries |
| Small | 11–20 lb | 2–3 berries |
| Medium | 21–50 lb | 3–5 berries |
| Large | 51–90 lb | 5–6 berries |
| Extra-large | 91+ lb | 6–10 berries |
Treat these as ceilings, not targets. A few berries is plenty for most dogs, and there’s no need to feed them every day. When in doubt, less is fine.
Preparation: wash it and (for small dogs) halve it
Blueberries are about the easiest fruit to prep — no peel, no pit, no seeds to fuss over. The routine:
- Wash them well. The AKC advises washing blueberries “to remove any pesticides or dirt” before serving, just as you would for yourself.
- Serve fresh or frozen. Both work. Frozen blueberries make a crunchy, longer-lasting treat that’s great in hot weather — but they’re harder, so they’re best for bigger dogs that chew.
- Halve or mash for small dogs. Because blueberries are “small and round,” the AKC flags choking as the main risk, “especially to smaller dogs.” For toy breeds or fast gulpers, cut or mash the berries first. Mashed blueberry also stirs nicely into food or onto a lick mat.
Cautions
- Choking, for small dogs and gulpers. This is the one real hazard. A whole blueberry is bite-size for a Lab but a choking risk for a Chihuahua that swallows without chewing — halve them for small dogs.
- Too many cause GI upset. PetMD notes that “feeding too many blueberries at once may lead to gastrointestinal upset.” Stick to the portions above and you’ll stay clear of loose stools.
- Diabetic dogs: check with your vet. Blueberries are low-sugar as fruit goes, but PetMD still advises that dogs with diabetes or certain conditions “should generally avoid high-sugar fruits unless approved by a veterinarian.” When in doubt, ask.
- Skip canned, sweetened, and syrup-packed blueberries — the added sugar cancels out the benefit. Plain fresh or frozen only.
- No blueberry muffins or baked goods. These carry added sugar, fat, and sometimes toxic ingredients. Always check labels for xylitol (also listed as “birch sugar”), which is toxic to dogs, and skip anything with chocolate or raisins.
Sources
- American Kennel Club (AKC) — Can Dogs Eat Blueberries?
- PetMD — Can Dogs Eat Blueberries? Benefits, Portions, and Risks
- ASPCA Animal Poison Control — People Foods to Avoid Feeding Your Pets (blueberries are not on the toxic list; grapes and raisins are)
Frequently asked questions
How many blueberries can I give my dog?
For most dogs, a few is plenty. As a daily ceiling, PetMD suggests roughly 1–2 berries for extra-small dogs, 2–3 for small dogs, 3–5 for medium dogs, 5–6 for large dogs, and up to about 6–10 for very large dogs. Keep all treats under 10% of daily calories, and start small the first time.
Can dogs eat frozen blueberries?
Yes. Frozen blueberries make a crunchy, refreshing hot-weather treat and are perfectly safe. They’re harder than fresh, though, so they’re best for medium and large dogs that chew — for a small dog, thaw and halve them first to avoid choking.
Are blueberries good for dogs, or just safe?
Genuinely good, in moderation. Blueberries are low in sugar and calories and rich in antioxidants, and the AKC cites research that dietary antioxidants can help reduce the effects of brain aging. That makes them one of the better everyday fruit treats — especially for dogs watching their weight.
Can puppies eat blueberries?
In tiny amounts, yes — a mashed or halved berry or two makes a fine training reward. Because puppies are small, cut the berries to remove any choking risk, introduce them slowly, and keep treats to a small fraction of the day so they don’t crowd out the balanced puppy food a growing dog needs.
Can dogs eat blueberry muffins or blueberry yogurt?
Better not. Blueberry muffins add sugar and fat and may contain xylitol, chocolate, or raisins — all bad for dogs. Sweetened or flavored blueberry yogurt has the same sugar problem. Stick to plain fresh or frozen blueberries; if you want the yogurt route, a little plain unsweetened yogurt with a few real berries is the safer swap.
Explore more: Browse our fruits dogs can eat hub, or compare blueberries with other fruit treats like apples and bananas (blueberries are the lower-sugar pick). And a critical one to know — unlike blueberries, grapes and raisins are toxic to dogs and should never be fed.