Yes — bananas are safe for dogs and many love them, offering potassium, vitamin B6, and fiber. The one caveat is sugar: bananas are higher in natural sugar than most dog-safe fruit, so they're a small-portion, occasional treat rather than an everyday snack — especially for overweight or diabetic dogs.
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A few small slices for most dogs, less for small breeds — keep it within the roughly 10%-of-daily-calories treat allowance. Because of the sugar, bananas are better as an occasional treat than a daily one.
Plain slices are simplest. You can also mash a little into a stuffable toy or freeze slices for a longer-lasting treat. Skip the peel — it isn't toxic but it's hard to digest and can cause an upset stomach or blockage.
Educational only — not veterinary advice. Always work with your vet, especially if your dog is on medication.
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