Can Guinea Pigs Eat Leeks? It Could Harm Them

Can Guinea Pigs Eat Leeks

Leek is a vegetable that is similar to onions and garlic that belongs to the alliums family. This vegetable is known for its sweet and mild flavor. Leeks can be used in recipes like soups, stews, and stir fry. If you enjoy using leeks in your cooking and you own guinea pigs, you may wonder if they can eat leeks too.

Can guinea pigs eat leeks? Guinea can eat leeks, but it’s highly not recommended to feed them. This root vegetable contains sulfides which in large amounts is poisonous to them. In a small amount, it won’t be able to kill them but it may cause digestive problems such as diarrhea and upset stomach.

Is It Safe For Guinea Pigs To Eat Leeks?

Guinea Pig Eating

It’s generally not safe to feed leeks to the guinea pigs due to the poison sulfides that are in them. The amount of poison content will vary from one leek to another. This is due to the season, the soil that it’s grown in, and when it’s harvested.

Since it’s too time-consuming and difficult to measure the poison in each leek, it’s best to not feed them at all.

Health Benefits of Leeks for Guinea Pigs

While this vegetable contains sulfides, it does have some health benefits for the guinea pigs.

One of the nutrition that leeks is high in is vitamin C. This vitamin is crucial to the health of the guinea pigs. These creatures are not able to synthesize and store vitamin C in their body. For that reason, they need plenty of vitamin C from outside sources such as foods and supplements.

Another nutrient that leeks have is vitamin A. This vitamin is important for guinea pigs as it is needed for normal vision, immune system, and reproduction. Vitamin A also helps the lungs, heart, kidneys, and other organs to work properly.

Can Baby Guinea Pigs Eat Leeks?

Baby guinea pigs should never have any leeks, whether it’s cooked or raw. The chances of them being poisoned by the vegetable are too high due to their small size.

In addition, at this age, they should be fed alfalfa hay and nurse on their mother’s milk. These will provide them all the needed nutrition to help them grow strong and healthy.

Can Guinea Pigs Eat Cooked Leeks?

Cooked leeks should not be fed to guinea pigs. Cooking the leeks will not remove all of the poison. This still poses a great danger to them so it’s best to avoid cooked leeks as well.

Can Guinea Pigs Eat Dried Leeks?

Even though you’ve dried leeks or bought them as dried vegetables, it’s still dangerous for guinea pigs to eat. Dried leeks will contain sulfides so you should not feed them to your guinea pigs.

How Many Leeks To Feed Guinea Pigs

If you’re planning to feed leeks to your guinea pigs, they can only have a really tiny piece of it. Anything more than that could be poisonous to them.

It’s better to be safe than sorry so it’s best to avoid feeding them any leeks.

Other Vegetables That Guinea Pigs Can Eat

Instead of feeding leeks to them, there are many other vegetables that you can feed your guinea pigs. Below are some of the vegetables which you can feed them. It’s safe and full of nutrition as well.


This is one vegetable that you should feed your guinea pigs daily. It’s one of the most nutrient-dense food on the planet. It’s high in nutrients, especially vitamin C. This is the vitamin that’s most important to the guinea pigs. They need vitamin C and plenty of it since they are not able to make this vitamin on their own.


Broccoli is packed with nutrition that includes fiber, protein, calcium, and vitamin K. All of this nutrition is necessary for the guinea pigs to stay healthy. Due to the vegetable containing a good amount of calcium, it should be fed to them in moderation to avoid any health issues.


Zucchini is low in calories, yet rich in nutrients. One of the nutrients that are important for guinea pigs is vitamin C. They need this vitamin on a daily basis to stay healthy and strong. Besides that, zucchini has iron, calcium, zinc, and several other B vitamins. Feed them zucchini to your guinea pigs once or twice a week.


Due to the poisonous sulfides that are in the leeks, it can be deadly for them. While the level of poison will vary from one leek to another, it’s best to avoid feeding them any to prevent health issues.

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