Can Guinea Pigs Really Eat Grapes? Amazing Info you need to know

by The Pets Pampering Team
can guinea pigs eat grapes

Can Guinea Pigs Really Eat Grapes? Guinea pigs are very social creatures that love to eat fresh fruits and vegetables such as bananas, strawberries, carrots, cucumbers, and beans, with carrots being one of their favourites. They cannot survive long outside of their cages, because they cannot hunt for food, so they eat hay and small amounts of pellets. 

But can guinea pigs eat grapes? The answer is “Yes”. But you need to be careful about the amount you feed them because too many grapes can cause health issues for your furry friend. Well, if you don’t know then I have brought this article especially for you because today we will be discussing how guinea pigs eat grapes.


Can guinea pigs eat grapes? I know this may seem like a random question but it is a very common one that you will see on many guinea pig forums and websites. Grapes are a popular treat for guinea pigs (and people, too!) but they are only safe in moderation. Not only do they taste good, but they have plenty of vitamins and minerals that your guinea pig needs. The main thing to remember about grapes is that they are high in sugar and water content. 

The water content is great because it helps keep your guinea pig hydrated (they don’t drink as much water in their natural habitat), but you should keep in check the high sugar content. This makes them an easy snack for a picky guinea pig to eat when he’s off his food or not eating his hay. However, feed them grapes in moderation because they can cause health problems such as diarrhoea and weight gain.

The Basics of Guinea Pig Nutrition

Guinea pigs will eat almost anything you offer them, but they are not all safe. They are herbivores, so guinea pig food should consist mainly of vegetables. Their main diet consists of hay and pellets. They also enjoy fresh veggies like carrots, baby tomatoes, cucumber, peppers and parsley. Primary diet is high-quality timothy hay, along with some leafy greens, vegetables and limited amounts of fruit. You’ll also need to provide your guinea pig with vitamin C, either through pellets or supplements. Giving your guinea pig these foods will keep him healthy and happy.

Benefits of grapes to guinea pigs?

Grapes are a quick and easy treat that many pet parents choose to give their guinea pigs. Most guinea pigs love the sweet flavour of grapes and the juicy texture.

Grapes are a healthy addition to your guinea pig’s diet, but you should only give to the pet as an occasional snack – maybe once or twice a week in small portions. They should not be part of your pet’s regular daily food.

Some sources advise against giving any foods that contain sugar to guinea pigs. While grapes do contain sugar, it is natural sugar which is a better option than sugary treats such as chocolate or sweets made with processed sugars.

There has been some concern over the grape itself being too large to safely chew and swallow, but if you feed grapes in moderation in smaller sizes this is not usually a problem.

How much is safe to feed my guinea pig?

Guinea pigs can eat grapes, but they should only be as a treat and in moderation. The toxic compound found in grapes and raisins can cause kidney failure. It is not known how much of this compound can harm your guinea pig, so it is best to avoid feeding them altogether if you are unsure.

Feed them a small number of grapes at a time. Guinea pigs, being small animals, have small stomachs and can’t handle large amounts of fruit. This means that you should only feed your guinea pig a grape or two per day (assuming they are the average-sized grapes). If you feed them more than this, they may get an upset stomach.

How to Give Your Guinea Pig Grapes Safely

The best way to give your guinea pig some grapes is to “cut the grape in half so that it is easier for your guinea pig to chew“. Some people like to remove the skin and seeds from the grapes before giving them to their guinea pigs but this isn’t necessary. You can also remove the skin if you want to but again it’s not necessary. Also, remove seeds before feeding to avoid possible impaction or intestinal blockage.

Never feed grapes whole as they could choke on them. You should also ensure that your guinea pig always has access to unlimited fresh drinking water. 

Avoid giving your guinea pig grapes on the vine because piggies may eat the leaves as well. It’s not safe for them to nibble on plants.

When Can You Give Your Guinea Pig Grapes?

For whatever reason, guinea pigs can have grapes. Some people recommend giving them a few times a week, others say only as a rare treat. If you want to stop giving your pet grapes altogether but wish to provide them with other fruits, there are several good choices available. Apple slices are a popular alternative that provide fibre and vitamins without the high sugar content of grapes. Other berries are also safe for guinea pigs, although some people say you should avoid blueberries because they can cause diarrhoea for these pets even more than grapes do.

Does the type of grape matter?

As we have already mentioned, grapes are not safe for guinea pigs and can cause a lot of health issues in them. Some of the disadvantages of feeding grapes to guinea pigs are:

  • Grapes are high in fat content which can cause obesity in guinea pigs.
  • They contain a lot of sugar which can be poisonous to guinea pigs if they consume it in large quantities.
  • Grapes contain seeds that can get stuck in their digestive tract and cause pain.
  • They are also high on acid content which causes diarrhoea and loose motions.
  • Eating too many grapes can cause anaemia and low blood pressure in guinea pigs.

How to Serve Grapes to your Guinea Pig

There are three types of white grapes you can feed your guinea pig. They include French white or ice wine, silver queen and bronner. The Bronner variety is a hybrid variety and the skin is thin that’s why it has high sugar content when compared to other grape varieties. But make sure that the Sulphur dioxide content is not too high. It should also be organic, if possible, otherwise, it may have some health hazards.  The French white or ice wine grape varieties are very juicy and have high sugar content so you can feed your guinea pig even without cooking. The silver queen grapes are the most suitable for the guinea pig as it does not have any skin around it and the seeds are not hard to digest.

What kind of fruit can guinea pigs eat and how much?

Handle Your Guinea Pig’s Diet with Care

With guinea pigs, as with any pets, you should always keep their food out. While guinea pigs do need a lot of vegetables and fruits in their diet, you shouldn't just give them whatever you've got laying around.

Let’s look at the basic needs for a healthy diet:

  • Vitamin C: Guinea pigs have an especially high need for vitamin C because they cannot produce it on their own. There are plenty of commercial products meant to meet this need, but they can also get it from foods like bell peppers and strawberries.
  • Oxalates: These are small crystals that form naturally in some plants and are harmless to humans, but they can cause urinary tract problems in guinea pigs. Foods especially high in oxalates include spinach, beet greens, parsley and rhubarb. You can feed your pet small amounts of these foods if it likes them, but don’t make them a main part of its diet — some vets recommend feeding only one or two high-oxalate foods per week.
  • High-fat foods: While some fat is important for maintaining your guinea pig’s body temperature and keeping its skin healthy, too much will lead to obesity and possibly organ damage over time.


Well, you can give them some. However, you can’t feed them too much because their tummies will burst due to their one-way digestive systems. They have no roll to digest food and it goes into their stomachs directly. They only get rid of waste outside the body. 


Are grapes approved by vets for guinea pigs?

Grapes are technically approved by vets for guinea pigs. They are a good source of vitamin C and potassium, but give them in moderation because they have a high sugar content.

When feeding grapes, it is important to make sure that you thoroughly wash them first, even if they are organic, because grapes have been known to contain pesticides. Pesticides can cause dangerous reactions in small animals. It is also important to remove all the seeds as they can cause intestinal blockages.

Do I need to wash grapes thoroughly before feeding guinea pigs?

While you ask can Guinea pigs eat grapes, consider their hygiene by washing grapes thoroughly before feeding them to your guinea pig. If it’s a good idea to wash all fruits and vegetables before eating them yourself, you might as well do the same for your guinea pig.

Another fruit that needs a thorough wash before giving it to your guinea pig is iceberg lettuce. The pesticides used on the commercial crops are not good for the guinea pigs. Serve all other fruits and vegetables as washed treats.

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