Skip to content
Free UK delivery over £50 · Tracked & fast · Happy pets, happy homes
Giddy PetsGiddy Pets

Can dogs eat seaweed?

In moderation

Quick answer: Yes, in moderation — dogs can have seaweed in small amounts as an occasional treat.

Quick verdict

In moderation

Recommended amount

A small piece of plain, unsalted nori occasionally; avoid seasoned snack seaweed and beach seaweed.

Why

Plain, unseasoned seaweed such as nori is fine for dogs in small amounts.

Can dogs eat seaweed, and why?

Plain, unseasoned seaweed such as nori is fine for dogs in small amounts. Salted or seasoned seaweed snacks are too salty, and dried wild seaweed on beaches can swell in the gut.

Dogs are omnivores, so most of their diet should be a complete, balanced dog food, with treats on top. They cope with a wide range of foods, but rich, fatty or sugary ones can cause stomach upset and, over time, weight gain or pancreatitis.

How to feed seaweed to dogs

  • How much: A small piece of plain, unsalted nori occasionally; avoid seasoned snack seaweed and beach seaweed.
  • How often: An occasional treat, not a daily food. Treats — including fruit and veg — should make up no more than about 10% of a dog’s daily calories.
  • Young pets: Puppies have more delicate tummies and specific growth needs, so introduce any new food in tiny amounts and check with your vet.
  • Preparation: Always wash fresh produce, remove any pips, stones, seeds, peel or tough skin where relevant, and serve it plain — never with salt, sugar, oil, butter or seasoning.

More foods dogs might eat

Make treat time better

Handy kit for feeding dogs well:

Feeding & nutrition guides

Frequently asked questions

Can dogs eat seaweed?

In moderation. Plain, unseasoned seaweed such as nori is fine for dogs in small amounts.

How much seaweed can a dog have?

A small piece of plain, unsalted nori occasionally; avoid seasoned snack seaweed and beach seaweed.

Can dogs eat seaweed every day?

It’s best as an occasional treat rather than a daily food. Treats — including fruit and veg — should make up no more than about 10% of a dog’s daily calories.

Can puppies eat seaweed?

Puppies have more delicate tummies and specific growth needs, so introduce any new food in tiny amounts and check with your vet.

Check seaweed for another pet

Sources

Our verdict on whether dogs can eat seaweed draws on established UK and US veterinary and welfare organisations. Individual pets, quantities and preparation vary — always confirm with your own vet.

General guidance based on established veterinary sources (ASPCA, PDSA, Blue Cross, RSPCA), not a substitute for advice from your vet. If you’re ever unsure, or your pet has eaten something harmful, contact your vet or the Animal PoisonLine on 01202 509000.