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

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

Grapes are succulent fruits that are enjoyed by everyone all over the world. They are sweet and tasty, but are grapes safe for the guinea pigs? A good pet owner will do some research first before feeding his pet any type of food.

Can guinea pigs eat grapes? Yes, guinea pigs can eat grapes. They enjoy having grapes as a treat. However, just like with any other fruit, grapes should be administered in moderation. Grapes are filled with numerous nutrients and all these nutrients are necessary for the well-being of your guinea pigs. For these reasons feel free to incorporate grapes in the guinea pig’s diet.

Keep reading to learn more about grapes and guinea pigs in the following sections below.

Health Benefits of Guinea Pigs Eating Grapes

There are a lot of benefits that a guinea pig can get from eating grapes. The following are some of the health benefits of grapes for the guinea pig:

  • Provides vitamin C – It is a fact that cavies cannot produce vitamin C naturally on their own. And for this reason, they need it from external sources. This vitamin is vital for guinea pigs. The vitamin helps to prevent scurvy which is a condition that affects guinea pigs.


  • Provides energy for the guinea pigs – Grapes can give your cavy the power it needs for all the day’s activities through the provision of vitamin B6.


  • Eliminates free radicals – Grapes are rich in antioxidants that will ensure there are no free radicals in the body of your cavy. This boosts its health and life span. They also help to patch up any damage done by free radicals to the body cells. The antioxidants are potent in the skin and seeds of the fruit.


  • Helps in sustaining heart health – A healthy heart means a healthy guinea pig. If your guinea pig starts suffering from heart-related conditions, then this can potentially risk its existence. And that is why you need to salvage the situation early. After all, prevention is better than a cure. Potassium that is found in grapes helps to maintain the blood pressure at optimum levels. (Click to read more on grapes and cardiovascular diseases)


  • Aid in the reduction of cholesterol levels in the body – Cholesterol is harmful to guinea pigs just as it is to humans. The compounds that are present in grapes help with getting rid of cholesterol in cavies.


  • Grapes can help with decreasing blood sugar levels – As strange as this may sound, this is a proven medical fact. As much as grapes are sugary, they have a low glycemic index, which is a measurement used to indicate how fast a portion of food can raise blood sugar levels.


  • Many people assume that it is only carrots that can help one to maintain good eyesight, right? But grapes also have a vast potential to boost eye health. The chemicals and compounds that are in grapes can guard against eye defects and complications.


  • Grapes can improve bone health – The minerals such as magnesium, calcium, potassium, and manganese help the cavy to have healthy and sturdy bone structure. Studies have also shown that resveratrol found in grapes improves bone density.


  • Protects the cavy against infections and diseases – There are compounds found in grapes that have the potential to protect your cavy against bacterial, viral and yeast infections. This is why you need to feed grapes to guinea pigs regularly. Again, vitamin C that is found in grapes helps to boost immune function in the cavy’s body.


  • Boosts the guinea pigs lifespan – The compounds that are found in grapes are said to increase longevity and overall life span.


  • Prevents inflammation – Resveratrol that is found inside grapes has excellent anti-inflammatory properties.


  • Prevents constipation and helps with digestion – Since the fruits have both water and dietary fiber in them, they help during the digestion process and also ease the bowels.


  • Helps with allergies – Due to the anti-inflammatory properties of this fruit, it is believed that grape helps with alleviating different allergies.

Nutrition Facts of Grapes

Nutrition Facts of Grapes

This fruit has a wide range of nutrients ideal for a guinea pig. Per 100 g of grapes, these are the nutrition facts:

  • Calories – 67
  • Sodium – 2 mg
  • Potassium – 191 mg
  • Protein – 0.6 g
  • Fat – 0.4 g
  • Vitamin C – 6%
  • Dietary fiber – 0.9 g
  • Vitamin B6 – 5%
  • Magnesium – 1%
  • Vitamin A – 2%
  • Iron – 1%

Risks to Consider When Feeding Grapes to Guinea Pigs

Grapes are generally healthy fruits and they don’t have any serious risks when it comes to health risks. However, there a few risks that may occur when your guinea pig eats grapes but this is easily controlled. The following are some of the health risks of grapes for the guinea pigs:

  • Too much sugar – grapes tend to have a lot of sugar in them which may lead to complications in your guinea pig body. Some of the possible problems that may arise include diarrhea and vomiting. When your little pet overeats sugar, it can end up with the symptoms we mentioned above. Once you notice this, you need to visit the vet for the treatment. Otherwise, as a first-aid measure, you can give sufficient water and stop the feeding them grapes. Another effect of too much sugar for the guinea pigs is gaining some excess weight.


  • Food poisoning – this is something that is rare but can happen if grapes are not handled effectively. Before feeding the fruit to your cavy, you need to wash it or rinse it thoroughly under constant water to remove any dirt or chemicals on it.

If you didn’t know our cute little guinea pigs can also develop diabetes, this is why you should really regulate the sugar in their diet.

Serving Size and How to Feed Grapes to Guinea Pigs

Serving Size of Grapes for Guinea Pigs

As for the serving size, 2 pieces of grapes are more than enough for guinea pigs. More than this amount can cause health problems for them.

How often should I feed my cavy grapes?

Grapes are quite sugary, and for the obvious reasons, you can feed the pet maybe twice or once a week with grapes and supplement it with other healthy and rich foods.

Can I feed my guinea pig all the parts of the grape?

Generally, all the parts of the grape can be eaten except for the seeds. Your guinea pig can easily choke on the seeds, and because of this, it is advisable to avoid feeding them with seeds.

Quick Facts on Grapes

The following are some of the fascinating facts about grapes that you probably never knew before:

  • Grapes are grown in clusters.
  • Its cultivation began around 6,000 to 8,000 years ago.
  • There are about 60 species in addition to 8,000 varieties of grapes.
  • The production of one single bottle of wine takes 2.5 pounds of grapes.
  • Grapes are 80% water.
  • Grape seeds are used in the cosmetic industry.
  • This fruit is first mentioned in the bible where Noah plants them.
  • Grapes are poisonous to dogs.

Source: Grapes: A Brief History – University of Missouri

Before I let you go, one final thought on food. With food, you can’t ever be too careful which is why I get all guinea pig food from a reliable source such as Amazon. If you are not sure what to order but believe your little piggies deserve some great treats please check our Helpful Guide to the Best Guinea Pig Treats to get some ideas. 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.

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Clarissa Moolbrock

Clarissa Moolbrock is one of the founders and editor at Guinea Pig Tube. She is also an author of "Complete Guinea Pig Care Guide: The Essential, Practical Guide To All Aspects of Caring for Your Guinea Pigs" (available on Amazon). Being a veterinary technician helping animals and sharing her experience and knowledge with other guinea pig owners is her passion. Her life goal is to popularise guinea pigs as pets and that is why she has started Guinea Pig Tube website.