Can Guinea Pigs Eat Zucchini? (Benefits, Risks, Serving Size & More)

Zucchini is a summer plant that grows during the same time as melons and cucumber. It is classified as a fruit botanically, but many people think that zucchini is actually a vegetable, which it isn’t. Now after this brief introduction we are going to talk about our guinea pigs and if they are safe to consume zucchini.

So, can guinea pigs eat zucchini? Guinea pigs can eat zucchini and they really love their taste and texture. Zucchini is packed with plenty of nutrients like vitamin C, which are ideal for the health of your little guinea pig pet. This is why zucchinis can be introduced into guinea pig’s diet without any problems.

If you want to know more about zucchini and guinea pigs, read the following sections below and find out more about zucchini benefits, risks, nutrition facts, and so on. Let’s start!

Is Zucchini Good for Guinea Pigs? | Health Benefits

Is Zucchini Good for Guinea Pigs Health Benefits

The following are the main health benefits that guinea pigs can gain from eating zucchini:


Free radicals can cause massive damage to cells and eventually lead to diseases/infections. Zucchini has antioxidants that counter the presence of free radicals in the guinea pig’s body.

Some of these antioxidants include zeaxanthin, lutein, and beta-carotene. Note that the skin of the zucchini has the most antioxidants. You should not remove it while feeding your pet.

Healthy Digestive Process

Zucchini has both soluble and insoluble fiber, which have separate beneficial roles in the guinea pig’s body. Their digestive processes are going to be healthy.

Optimal Levels of Blood Sugar

Dietary fiber helps to increase the sensitivity of insulin. With that, it stabilizes the blood sugar levels.

Contributes to Bone Health

Vitamin K and magnesium found in the courgette have benefits for bone health. They help in the growth and development of strong, healthy, and vibrant bones in guinea pigs.

Helps With Weight Loss

Regularly feeding your guinea pig with zucchini may help it lose some weight. Zucchini is filled with water and has a low-calorie density which leads to satiety. This will reduce the intake of other foods since your guinea pigs will feel full more often.

Dietary fiber will also contribute to weight control since it reduces hunger or appetite for food. Also, the low-level sugar content in zucchini contributes to weight control.

Boosts Sight and Vision

Beta-carotene and vitamin C found in zucchini can help with improving the sight of your guinea pig. Besides, antioxidants such as zeaxanthin and lutein accumulate in the retina. With that, they improve eyesight.

Aside from that, these nutrients also help to reduce the occurrence of eye-related diseases, such as macular degeneration and cataracts.

Improves Cardiovascular Health

A diet with a high fiber content is a solution for heart-related complications according to various studies. Pectin is a soluble fiber that is known to reduce the levels of bad cholesterol in the body.

Nutrition Facts of Zucchini for Guinea Pigs

Nutrition Facts of Zucchini for Guinea Pigs

Zucchini is filled with many nutrients per 100 g these are the nutrition facts:

  • Energy – 17 kcal
  • Protein – 1.21 g
  • Total lipid (fat) – 0.32 g
  • Carbs – 3.11 g
  • Dietary Fiber – 1 g
  • Sugars – 2.5 g
  • Calcium – 16 mg
  • Iron – 0.37 mg
  • Magnesium – 18 mg
  • Phosphorus – 38 mg
  • Potassium – 261 mg
  • Sodium – 8 mg
  • Vitamin C – 17.9 mg
  • Vitamin B-6 – 0.163 mg
  • Vitamin A – 10 µg
  • Vitamin E – 0.12 mg
  • Vitamin K – 4.3 µg
  • Carotene, beta – 120 µg
  • Folate – 24 µg
  • Lutein + zeaxanthin – 2125 µg

Is Zucchini Bad for Guinea Pigs? | Possible Risks

Risks to Consider When Feeding Zucchini to Guinea Pigs

Zucchini is relatively safe for guinea pigs. There aren’t many risks for them except the following:

Allergic Reactions

Some guinea pigs tend to be allergic to certain fruits and vegetables. This is where you should be careful. In case you notice anything unusual with your pet when feeding zucchini, it is advisable to stop the feeding process and provide the guinea pig with sufficient water.

Allergic symptoms are usually diarrhea or vomiting. If the symptoms get worse, visit a qualified vet for medical advice.

Bladder Stones

If you feed too much zucchini to guinea pigs, there is a possibility of forming bladder stones because of the calcium content in zucchini. Calcium is good for guinea pigs but only in small amounts, so it’s important to feed guinea pigs with foods that are low in calcium.

Diarrhea and Stomach Problems

There is also another risk of feeding guinea pigs with too much zucchini. If they have any food in excess, they will get diarrhea and stomach problems.

Guinea pigs have a very sensitive digestive system. They sometimes don’t know when to stop eating. In short, huge amounts of zucchini can lead to diarrhea, vomiting, or gases in guinea pigs.


There is a toxin called cucurbitacin that zucchinis produce naturally. In that way, it becomes more bitter in taste. Cucurbitacin can be very poisonous to guinea pigs and cause diarrhea, vomiting, or even death. So it’s very important to give them only fresh zucchini and only the one that you have tasted before.

If it’s bitter in taste, don’t give it to guinea pigs. You shouldn’t eat it as well. Cucurbitacin is also toxic to humans and can cause death. The higher amount of cucurbitacin, the more bitter zucchini is.

Serving Size and Frequency of Zucchini for Guinea Pigs

Serving Size and Frequency of Zucchini for Guinea Pigs

Now, you know guinea pigs can eat zucchini, and naturally, with some risks. Moreover, it’s important to know how to feed zucchini to guinea pigs, its serving size, and frequency. This is exactly what we are going to talk about in the following sections below. Let’s begin!

Can Guinea Pigs Have Zucchini Every Day?

Guinea pigs can eat zucchini every day, but we recommend feeding them zucchini 3 or 4 times per week. Zucchini has many health benefits for guinea pigs, such as vitamin C, and antioxidants.

However, because of calcium and guinea pig’s sensitive digestive system, it’s better if you feed them zucchini only a few times per week. Also, there are many other vegetables and fruits that guinea pigs enjoy eating. It’s important to provide them with diverse nutrition.

How Much Zucchini Can Guinea Pigs Eat?

It’s also very important to know how much zucchini should you feed your guinea pig. The serving size of zucchini for guinea pigs is around 1 cup or a handful. This amount is enough for them. They are very small animals and it’s important not to overfeed them. Also, as we have said a huge amount of zucchini can lead to diarrhea, vomiting, or gases.

You can slice zucchini into smaller pieces before giving it to guinea pigs. More importantly, wash zucchini thoroughly. It may contain pesticides, which are extremely harmful to the health of guinea pigs.

More Information About Guinea Pigs and Zucchini

Can Guinea Pigs Eat Raw Zucchini?

Can Guinea Pigs Eat Raw Zucchini

Guinea pigs can eat raw zucchini and that’s the only way they should have it in their diet. Never feed your guinea pigs with cooked zucchini because they can’t eat any cooked food and their digestive system is made to digest only fresh and raw food.

Also, the best option is if you have your own zucchini from the garden that wasn’t treated with any pesticides or chemicals.

Can Guinea Pigs Eat Green Zucchini?

Guinea pigs can eat green zucchini and they really enjoy it. This is the most common type of zucchini. Some guinea pig owners have reported that their guinea pigs love green zucchinis more than yellow ones. Just be careful with serving sizes of green zucchinis. Don’t give them in large portions and don’t do so often.

Can Guinea Pigs Eat Yellow Zucchini?

Can Guinea Pigs Eat Yellow Zucchini

Guinea pigs can eat yellow zucchini. These zucchinis are usually sweeter than the green ones. As we have said, some guinea pigs will enjoy eating green zucchinis more than their yellow counterparts. However, yellow zucchinis also have many nutrients that have benefits for guinea pigs’ health.

One more thing to note, because they are sweeter, it is better to give them green zucchinis more frequently, or just mix both of them a few times per week in small amounts.

Can Guinea Pigs Eat Zucchini Flowers?

Guinea pigs can eat zucchini flowers. These flowers have many nutrients, such as vitamin C and beta carotene antioxidants that are good for guinea pigs’ health. Zucchini flowers have a very soft texture and your guinea pigs will enjoy eating them.

Before giving zucchini flowers to guinea pigs, be sure to wash them with cold water to remove possible insects, dust, or pesticides that can be harmful to guinea pigs’ health.

Also, pollen gives them only zucchini flower petals and removes the inside parts because some guinea pigs can be allergic to them. Feed them only fresh zucchini flowers (occasionally) and follow the reactions of your guinea pigs if you are giving them flowers for the first time.

Can Guinea Pigs Eat Zucchini Leaves?

Can Guinea Pigs Eat Zucchini Leaves

Guinea pigs can eat zucchini leaves and they are safe for them if feed in moderation. It’s recommended to feed guinea pigs with zucchini, leaves only one or two times per week in small amounts. In large serving sizes, they can cause diarrhea or stomach problems in guinea pigs.

Also, it’s important to feed guinea pigs only with young leaves. Avoid older leaves because they tend to have a bitter taste that comes from the toxin, cucurbitacin, which can be poisonous for guinea pigs.

Can Guinea Pigs Eat Zucchini Peels/Zucchini Skin?

Guinea pigs can eat zucchini peels or skin. This part is completely safe for them. Zucchini skin has many nutrients that are good for guinea pigs and it’s important to say that most antioxidants are in the skin of the zucchini. Some guinea pigs might avoid eating skin because they dislike it. Never force your pet to eat something it does not like.

If your guinea pigs love eating zucchini skin, that will be very good for them because of the fiber content in the skin which is good for guinea pigs’ digestion. Just be sure to wash the skin thoroughly with water because of the possible presence of pesticides.

Can Guinea Pigs Eat Zucchini Seeds?

Can Guinea Pigs Eat Zucchini Seeds

Guinea pigs can eat zucchini seeds because they aren’t toxic to guinea pigs. But even though they are soft and small, it’s better if you can avoid feeding guinea pigs with zucchini seeds.

When you prepare zucchini for guinea pigs and slice it into small pieces, just remove the bigger seeds in order to be sure that your guinea pig will not choke on them.

Can Guinea Pigs Have Zucchini Bread?

Guinea pigs shouldn’t eat zucchini bread because their digestive system isn’t made to digest any cooked or processed food. You should avoid feeding guinea pigs with any other type of bread or human food. They are herbivores and enjoy eating only fresh and raw fruits and vegetables.

Quick Facts on Zucchini

The following are some fascinating facts about zucchini:

  • Zucchini is classified as an annual plant.
  • It is highly nutritious and often prevents different nutritional disorders.
  • Zucchini is an Italian phrase that came out of the word “Zucca.” When translated, it means squash.
  • In the cosmetic industries, zucchini is used for the manufacture of soap.
  • Zucchini has male and female flowers. Both of them are edible.
  • When the plant is exposed to high temperatures during growth, it develops a compound known as cucurbitacin.
  • The dark-colored zucchini has the highest nutrient levels when compared to the other variants.
  • On the other hand, small and medium zucchinis have an enhanced flavor when compared to their larger counterparts.
  • Zucchini blooms early during the summer.
  • It has large and lobed green leaves.
  • Zucchini is a bushy plant.
  • It belongs to the pumpkin family.
  • Zucchini has been a part of the human diet since 5500 years B.C.
Can Guinea Pigs Eat Zucchini_1

We have also made a full list of foods that guinea pigs can and can’t eat (150+ Types of Foods). Be sure to also check our recommended products page for everything you will ever need to assure a happy life for your guinea pigs. Hope this information was helpful and you have found the answer you were looking for.

List of Sources

Nutrient Requirements of Laboratory Animals: Fourth Revised Edition

Vitamin C Requirements of the Guinea-Pig

Dietary Requirements of the Guinea Pig With Reference to the Need for a Special Factor

The Effects of Diet on Anatomy, Physiology and Health in the Guinea Pig