Can Guinea Pigs Eat Bananas? The Peel? How Much?

Imagine you’re eating a banana for breakfast when your guinea pig starts to squeal and squeak at you.

Even if they have never had this fruit before, you might be wondering if banana is safe for them to have a small nibble. 

Can you feed your guinea pig bananas or banana peels regularly as part of a balanced diet?

Bananas are an excellent source of vitamin C, potassium, vitamin A, and fiber, along with other essential vitamins. They have very little extra cost on your grocery bill, and they are perfectly safe for your guinea pig in moderation. They should only consume 10 to 15 grams weekly. 

If you want to learn more about how much banana your guinea pig can eat, here is everything you need to know.

can guinea pig eat banana

Can Guinea Pigs Eat Bananas? 

Chances are you already know your guinea pig needs fresh fruits and vegetables in their diet to be healthy. 

Each day, they should get roughly one cup of fresh veggies and some fruits to help round out their diet. 

However, you have to be particularly careful when giving them these foods. 

They should get about 3/4 cup of fresh leafy green vegetables like romaine lettuce or kale. 

The remaining 1/4 cup should be fruits. 

The reason you need to limit their fruit intake is because of the sugar content. 

An excess amount of sugar in their diet can lead to intestinal upset and diarrhea. 

With these two conditions, your guinea pig will be in a lot of pain and may even become dehydrated. 

If you do not take steps to correct the issue rapidly, this is a fatal condition. 

Too much sugar for your guinea pigs also leads to the same problems humans experience with too much sugar. 

It can lead to obesity, diabetes, and tooth decay. 

All of these can shorten the lifespan of your guinea pig and lead to some pretty costly veterinary bills. 

It is best to avoid this situation by carefully evaluating how much sugar your guinea pig is getting. 

Are Bananas Good For Guinea Pigs?

In small quantities, banana can even be good for their health as it is a good source of vitamin C. 

Guinea pigs cannot manufacture their own vitamin C, so they must supplement it in their diet. 

A good pet owner likely already gives them commercial food like pellets, many of which contain a vitamin C supplement for your cavies. 

However, they can get it through their diet, which is one of the many benefits of bananas. 

Banana contains just enough of these essential vitamins to help your guinea pig’s health. 

Other benefits of the banana stem from their high potassium levels. 

Your guinea pig also needs potassium for organ health and proper blood flow. 

It also helps to prevent arthritis symptoms and combats osteoporosis. 

Bananas can even help minimize the formation of kidney stones. 

Bananas are also great because they are high in vitamin A. 

This vitamin is essential for maintaining vision, reproductive system, and growth levels. 

Even if you do not plan to breed your guinea pigs, maintaining their reproductive health is still important to their overall wellbeing. 

Other major benefits of bananas include: 

  • Vitamin B6
  • Vitamin B12
  • Calcium
  • Magnesium
  • Iron

These essential vitamins combine to offer your piggie the best of the best when it comes to their health. 

However, they can have too much of a good thing. 

You want to keep any banana you feed them to an absolute minimum. 

They simply have too much sugar to be a staple part of their daily diet. 

Can Guinea Pigs Eat Banana Peel? 

Once you know your guinea pig can safely consume some banana, you might also wonder about the peel. 

The good news is they can have a small nibble of the peel if you have some scraps leftover. 

Banana peel may be even better for your cavies than the banana itself. 

Of all the popular fruits, the banana peel has some of the greatest health benefits. 

The peel is chock full of antioxidants that fight against free radicals in the body. 

Free radicals are known for causing long-term damage, such as different types of cancer. 

These free radicals also lead to heart problems if left unchecked. 

An unripe banana peel is the highest in antioxidants, so be sure to give your guinea pig a little nibble of the green peel! 

In addition, the banana peel is high in fiber and potassium. 

Fiber helps their digestive system, which they desperately need. 

This is why fibrous hay is such an important part of their daily diet. 

Like most other nutrients, fiber can spell problems if they consume too much of it. 

Fiber leads to cramps, bloating, and gas. 

While they are not serious gastrointestinal diseases, they can certainly make your cavies feel a bit uncomfortable until it passes. 

If you notice they are feeling this way, be sure to supply them with fresh water and just give them some time to rest and relax. 

What Kind of Bananas Can They Have? 

Depending on what you have lying around your kitchen, you might wonder exactly what types of bananas your guinea pigs can have. 

Fresh bananas should always be your first and only choice when it comes to feeding them this fruit. 

Anything other than fresh bananas may have too many artificial ingredients to be healthy for your piggies. 

If you have dried bananas or banana chips, these should be avoided. 

When the banana chips are processed, they often have sugar and preservatives added to last longer and make them more flavorful. 

Unfortunately, these ingredients are problematic for your guinea pig’s health. 

Stick with fresh bananas straight from the produce section if you plan to give them a few slices of this vitamin C-rich food. 

How Much Banana Can They Have? 

If you plan to feed your guinea pig bananas, you need to know just how much they are allowed to have. 

While this food is excellent for their health, you need to be extremely cautious about how much you are giving them. 

They contain a very high sugar content, so this should be only an occasional treat given in very small quantities. 

To share your banana with your cavies, consider giving them just a piece of banana. 

Never place the whole banana in their food dish for them. A single slice is all they need to get the health benefits of bananas without worrying about the fallout from excess sugar. 

The same is true if you plan to give them banana peels. 

They need just a very small piece of the peel to be satisfied. 

Under no circumstance should you ever give your guinea pig the entire banana peel to eat at one time. 

This is too much of a good thing for your cavies. 

When you give them a banana, you don’t have to worry about washing it or cleaning it first since it is always encased in the peel. 

On the other hand, you have to wash the peel if you plan to share it with your piggies. 

Peel the bananas and then thoroughly scrub the peel in the kitchen sink before sharing it with your furry friend. 

How Often Can You Feed Bananas? 

Knowing the proper serving size for a banana with your guinea pigs is important, but you also need to monitor how much of this food they consume in a week. 

Slip them a piece or two of banana as part of a diet balanced with other fruits and veggies. 

Even though it is a good source of fiber, they should not have it daily. 

Stick to feeding them a small serving of banana just once or twice each week. 

They will need to get most of their levels of vitamin C elsewhere through a more balanced diet. 

Never feed them bananas more than three times per week. 

If you fed your cavies some bananas yesterday, they should not have any today. 

Never feed them bananas two days in a row. 

These sweet treats can lead to digestive upset even though they have essential minerals in them. 

Feel free to feed them as many leafy green vegetables as you want, but be sure to keep a close eye on how much fruit they consume. 

Using a food scale is a good way to measure just how much banana they are getting. 

They should be given no more than 10 to 15 grams of this sugary fruit each week. 

You might want to invest in a small food scale to help measure the amount of fruits and veggies you give your cavies each week. 

We recommend this small version from Amazon

Here’s our other post for a more exhaustive list of things guinea pigs can eat.

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