Can dogs eat seaweed?

In this article, we will answer the query, “Can dogs eat seaweed?” along with some other questions like what is the nutritional value of seaweed? What type of seaweed are edible? How can you feed seaweed to your dog?

Can dogs eat seaweed?

Yes, dogs can eat seaweed. Seaweed has many vitamins, minerals, and other nutrients that are beneficial for your dog. It should be served plain to your dog without any added seasonings or salt in it. It should also be noted that your dog shouldn’t eat seaweed on beaches that contain toxins and pollutants.

What is the nutritional value of seaweed?

Following is the nutritional value of seaweed:


There are various minerals in seaweed that are beneficial for your dog. The major ones are iron, magnesium, and iodine.

Iron is responsible for proper oxygen supply to the body. Iron is the key content of hemoglobin, a protein that is responsible for oxygen supply in the body.

Magnesium has many health benefits. It plays a major role in bone mineral homeostasis in the body. It also serves many biochemical and enzymatic reactions in the body. 

Iodine is healthy for your dog’s thyroid gland. In case of deficiency of iodine, there is a condition known as goiter, which develops in dogs. Goiter is the enlargement of the thyroid gland due to insufficient iodine supply to the thyroid gland.


There are various vitamins in seaweed that are beneficial for your dog. The major one is vitamin B12. Vitamin B12 is responsible for the conversion of food into energy. This vitamin is essential for healthy weight gain in your dog.

A seaweed called Nori which is used to make sushi has an adequate amount of vitamin B12 in it.

What are the health hazards of feeding your dog seaweed?

Following are the health hazard of feeding your dog seaweed:

No dried seaweed

You shouldn’t allow your dog to eat dried seaweed. It is not healthy for your dog. The thing about this is after consuming dried seaweed, the seaweed goes into the digestive tract of your dog and absorbs water from it.

After absorption of water, it will expand in the digestive tract of your dog. The expansion of dried seaweed blocks the pathway. It will obstruct the intestine, not allowing anything to pass through it, which can prove deadly for your dog.

No wild seaweed

You should allow your dog to eat wild seaweed. It has many pollutants and toxins in it. The toxins and the pollutants are harmful and can cause serious diseases in your dogs. Wild seaweed also has many bacteria and parasites, which are very harmful to your dog.

Seasoning and salts

If you are preparing a homemade dog food recipe for your dog, then you need to make sure that you shouldn’t add any kind of seasoning or salts to it. Salt and seasoning are not healthy for your dog.

Digestive issues

Dogs are omnivores. They can eat plants but are not the best at digesting them. It is not advisable to give such a weed to your dog that is not easily digestible by your dog.

Dogs love to eat meat, and they can digest meat easily as compared to any kind of weed or a plant.

So far, we have discussed the beneficial and harmful effects of seaweed on your dog’s health. Now let’s dive into the details of what type of seaweed is edible for your dog?

What types of seaweed are edible for your dog?

Following are the seaweed that is edible for your dog:

  • Nori
  • Irish moss
  • Wakame
  • Kombu
  • Dulse
  • Hijiki

How can you feed seaweed to your dog?

There are various things you should keep in mind while offering seaweed to your dog: 

  • The first thing is to clean the seaweed before giving it to your dog. 
  • The next thing is to chop it into small pieces, as small pieces are easier to digest than bigger pieces.
  • Hydrate the seaweed in clean water due to the absorptive capacity of seaweed, as we have discussed earlier in the article.
  • It is a type of dog treat for your dog; sprinkle it on your dog food to provide an adequate amount of it.
  • Cleaning helps to remove the toxins and the pollutants in the seaweed. 
  • If you are buying seaweed products for your dog, then make sure not to buy those products that have toxic substances for your dog. 
  • Please read the ingredients before buying any product. 

Other FAQs about Seaweed that you may be interested in.

Can you eat furikake when pregnant?

Does seaweed salad go bad?

Does seaweed go bad?

Can sea moss go bad in the fridge?


In this article, we answered the query, “Can dogs eat seaweed? We also discussed other questions like what are the beneficial effects of seaweed on your dog’s health? What are the harmful effects of seaweed on your dog’s health? How can you feed seaweed to your dog? What type of seaweed is healthy for your dog?