Can Guinea Pigs Eat Seaweed? Let’s Find Out

Last updated on January 22nd, 2023 at 07:05 pm

Guinea pigs eat a wide variety of foods, but you must wonder if they can eat seaweed.

Yes, guinea pigs can eat seaweed quite safely, but always in moderate amounts to use the nutrients, vitamins, and minerals without harming their health. Seaweed has a lot of vitamin C, calcium, potassium, and other nutrients that are extremely important for guinea pigs.

Since guinea pigs are herbivores, they mostly eat plant food, which improves their health and has a longer life span.

The more different the food, the more nutrients they bring into their bodies.

Seaweed is healthy and beneficial, so let’s see how much seaweed guinea pigs can eat and the benefits and risks our furry friends may have.

What is seaweed?

Seaweed is a common name for several types of algae and marine plants found in oceans, lakes, and rivers.

These plants can be of different colors such as brown, red, green and black and are found everywhere on the beaches and seasides.

Seaweed is characterized by many healthy nutrients, which are suitable for the health of humans and guinea pigs. They are used as food additives, and for medical purposes such as treating wounds and burns.

Can guinea pigs eat seaweed?

Yes, guinea pigs can eat seaweed in moderation to benefit their health.

By eating seaweed, guinea pigs will get nutrients. It is essential to mention the intake of calcium, vitamin C, and potassium in the composition of seaweed.

As long as we give them strictly defined amounts, guinea pigs can eat seaweed and enjoy its taste.

How much seaweed can guinea pigs eat?

Guinea pigs can eat seaweed twice weekly for the best benefits without harmful consequences.

By eating seaweed in moderation, our furry friends will take in healthy ingredients to improve their health and live longer.

Guinea pigs must not overeat seaweed because of the large amount of calcium in the composition of seaweed, which can contribute to the appearance of kidney and bladder stones.

can guinea pigs eat seaweed

Nutritional composition of seaweed

Seaweed, in its composition, has an outstanding amount of vitamins and minerals to improve the health of guinea pigs.

Here is their composition:

  • Energy 35 Kcal
  • Carbohydrates 5.1 g
  • Protein 5.8 g
  • Fat 0.2 g
  • Water 85 g
  • Dietary Fibers 0.3 g
  • Vitamin C 39 mg
  • Vitamin E 1 mg
  • Vitamin A 260 µg
  • Vitamin B1 0.09 mg
  • Vitamin B2 0.44 mg
  • Vitamin B3 1.47 mg
  • Calcium 70 mg
  • Potassium 356 mg
  • Phosphorus 58 mg
  • Sodium 48 mg

As can be seen from the composition of seaweed, the large amount of vitamin C, potassium, proteins, calcium and iron are reason enough to give moderate amounts to your furry friends.

Is Seaweed Healthy for Guinea Pigs to Eat?

Yes, seaweed is healthy and safe for guinea pigs to eat as long as we are careful about the amount we give them.

Here are some of the benefits of seaweed ingredients for guinea pigs:

  • Vitamin C – is one of the most important vitamins that help protect against scurvy, improve immunity and protect against colds and inflammation. Guinea pigs cannot produce vitamin C on their own, so they have to get it through food, and seaweed is an excellent source of this vitamin.
  • Vitamin A – is essential for improving eyesight in guinea pigs and protecting against possible eye diseases.
  • Water – it is vital that guinea pigs are always hydrated, which enables the proper function of all the organs in their body.
  • Proteins and carbohydrates – allow easier food processing into energy so the guinea pigs can run and play all day.
  • Calcium – is a mineral that helps guinea pigs have stronger bones and teeth.
  • Potassium – with its action helps to improve the work of heart, kidney, and lung health in guinea pigs
  • Iron – helps for better blood supply throughout the guinea pig’s body and protection against anemia.
  • Vitamin E – is an excellent vitamin with which guinea pigs will have healthier skin and fur.

Risks of seaweed to guinea pigs

If guinea pigs overeat seaweed, then they will have adverse health effects.

Here are some of them:

  • Kidney and Bladder Stones: if they get too much calcium, the guinea pigs will not be able to process the total amount of this mineral, and its build-up will cause stones and other problems.
  • Diarrhea: too much seaweed will result in diarrhea in guinea pigs, so moderation is essential.
  • Digestive issues: guinea pigs should eat mostly hay, while other types of food, such as seaweed, must be moderate and only twice a week.

Can guinea pigs eat dried seaweed?

Yes, guinea pigs can eat dry seaweed, they are entirely safe for them, but we must always pay attention to the quantity.

Dried seaweed has the same nutrients as fresh seaweed, so twice a week is plenty to feed your furry friends.

More significant amounts should not be given again because of the calcium and phosphorus they contain. The sharp teeth of guinea pigs can handle dry seaweed and can eat it, so this should not worry you.

can guinea pigs eat seaweed

What to do if guinea pigs overeat seaweed?

Suppose, by some chance; the guinea pigs can still eat much more than the intended amount. 

In that case, nothing terrible will probably happen to them, but the same thing should not be repeated in the future.

In this situation, you should give them much more 

water so that their digestive system can more easily process all the ingredients from the seaweed.

If diarrhea occurs, it should pass in 24-48 hours, otherwise you will have to take your pet to a veterinarian to examine him and give him appropriate therapy.

Read more: Can Guinea Pigs Eat Pine Needles? All You Need To Know

Can guinea pigs eat seaweed every day?

No, guinea pigs must not eat seaweed daily as they will have digestive and health problems.

Due to the high amount of calcium and iron, guinea pigs can only eat seaweed twice a week.

Hay is food that guinea pigs can use daily, and other food such as plants, vegetables and fruits only occasionally as a dessert.

Read more: Can Guinea Pigs Eat Parsley? (Benefits And Risks)


Guinea pigs can eat seaweed; it is entirely safe for them if they eat it in moderation twice a week.

The benefits of seaweed are a healthier heart, hydration, more energy, healthy and strong bones, and other benefits.

If they overeat seaweed, guinea pigs can get kidney stones, diarrhea, and other problems with their digestive system.

Finally, guinea pigs can safely eat seaweed if we pay attention to the amount we give them.

Read more: Can Guinea Pigs Eat Applesauce? All You Need To Know