Can Guinea Pigs Eat Cheese?

White and ginger guinea pig

Quick Answer:- Can Guinea Pigs Eat Cheese?

No, guinea pigs should not eat cheese. Cheese is a dairy product, and guinea pigs are lactose intolerant. Feeding them cheese can lead to digestive issues, including diarrhoea and stomach discomfort. It’s crucial to stick to a diet that’s appropriate for your guinea pig’s digestive system. For more information on suitable foods, check out our guide on whether guinea pigs can eat leeks.

Is Cheese Harmful To Guinea Pigs?

Yes, cheese is harmful to guinea pigs. As mentioned earlier, guinea pigs are lactose intolerant, which means they lack the enzyme lactase needed to properly digest lactose found in dairy products like cheese. Consuming cheese can cause a variety of digestive problems, including bloating, gas, and severe diarrhoea.

Moreover, cheese is high in fat and salt, which are not suitable for the guinea pig’s dietary needs. Such an imbalanced diet could potentially lead to weight gain and other health complications like high cholesterol and increased blood pressure in your pet.

If you’re looking for safe food alternatives for your guinea pig, it’s crucial to stick to foods that are naturally part of their diet. Foods like fresh vegetables and fruits, in moderation, are more suitable options. For more insights on what not to feed your guinea pig, read our article about the risks of feeding guinea pigs onions.

What Are The Risks Of Feeding Cheese To Guinea Pigs?

Feeding cheese to your guinea pig poses numerous risks due to its lactose content, high fat and salt levels, and other nutritional imbalances. While cheese may be a delicious treat for humans, it is certainly not fit for guinea pigs. Here are some of the significant risks associated with feeding cheese to your guinea pig.

Digestive Discomfort: The lactose in cheese can cause stomach cramps and discomfort for your guinea pig.

Diarrhoea: Lactose intolerance can lead to severe diarrhoea, which could result in dehydration.

Bloating and Gas: Cheese can cause excessive gas and bloating, making your guinea pig uncomfortable.

Weight Gain: The high-fat content in cheese is detrimental to a guinea pig’s diet and can lead to obesity.

High Blood Pressure: Salt present in cheese can lead to elevated blood pressure, causing stress on the cardiovascular system.

Increased Cholesterol Levels: High-fat foods like cheese can raise cholesterol levels, posing cardiovascular risks.

Nutritional Imbalance: Cheese lacks the essential nutrients like Vitamin C that guinea pigs need, leading to nutritional deficiencies.

Risk of Infection: Dairy products can spoil quickly and may carry bacteria harmful to guinea pigs.

Calcium Overload: Excessive calcium can lead to the formation of bladder stones, a painful condition for guinea pigs.

Lethargy and Weakness: Unfit foods like cheese can lower your pet’s energy levels and overall well-being.

In summary, cheese is not just unsuitable but potentially dangerous for your guinea pig’s health. Its high lactose, fat, and salt content, coupled with its lack of essential nutrients, make it a risk not worth taking. It’s far better to stick to safe and nutritionally balanced food options. For tips on what to include in your guinea pig’s diet, take a look at our guide on whether guinea pigs can eat iceberg lettuce.

two brown and beige hamsters

Do Guinea Pigs Like Cheese?

It’s possible that your guinea pig might show interest in cheese if presented with it, mainly because guinea pigs are curious creatures by nature. The smell and texture could intrigue them. However, it’s important to note that just because a guinea pig might seem interested in a particular food doesn’t mean that it’s suitable or healthy for them.

In the case of cheese, as we’ve previously discussed, it can lead to severe health problems due to its high lactose, salt, and fat content. While your guinea pig might not immediately show signs of discomfort upon consuming a small amount, the long-term effects could be detrimental to their health.

So, even if your guinea pig seems to like cheese, it’s a food item that should be strictly avoided to maintain their well-being. Stick to a diet of guinea pig-safe fruits, vegetables, and high-quality hay to ensure they get the nutrients they need.

How Should You Serve Them Cheese?

Given the numerous health risks associated with feeding cheese to guinea pigs, as discussed earlier, it is strongly advised not to serve cheese to your pet. Cheese is not a suitable food option for guinea pigs due to their lactose intolerance and the high levels of salt, fat, and other nutrients that are not beneficial for their health. Instead of cheese, focus on offering a balanced diet made up of high-quality hay, fresh fruits, and vegetables that are safe for guinea pigs.

If you’re interested in diversifying your guinea pig’s diet with safer alternatives, it’s important to consult vet-approved resources. For more ideas, take a look at our guide on the safety of feeding guinea pigs runner beans, which can offer valuable insights into other food options appropriate for your pet. Always consult your vet before introducing any new food items into your pet’s diet.

What Should Their Main Diet Consist Of?

Guinea pigs have specific dietary needs that are crucial for their well-being. Cheese and other dairy products should be avoided. Instead, their main diet should be composed of the following elements:

High-Quality Hay: Timothy hay or another high-fibre hay should be the staple of your guinea pig’s diet. It helps with digestion and provides the necessary fibre.

Fresh Vegetables: Leafy greens like kale, spinach, and romaine lettuce are good options. These offer vital nutrients and hydration.

Fresh Fruits: In moderation, fruits such as apple slices, blueberries, and strawberries can be given as treats. However, fruits are high in sugar and should be limited.

Guinea Pig Pellets: Choose pellets that are specifically formulated for guinea pigs, as they contain essential nutrients like Vitamin C, which guinea pigs can’t produce on their own.

Clean Water: Fresh and clean water should always be available. Avoid using water with added vitamins or minerals.

Occasional Treats: Specialised guinea pig treats are available but should be given sparingly. Make sure these are free of added sugar and artificial colours.

A balanced diet not only keeps your guinea pig healthy but also helps in preventing various diseases and nutritional deficiencies. Make sure to always consult your vet before making significant changes to your pet’s diet.

brown and black guinea pig on ground

Where Can You Buy Guinea Pigs Food?

Finding the right food for your guinea pig is crucial for their well-being. Fortunately, there are various reliable retailers in the UK where you can purchase high-quality guinea pig food that meets all their dietary needs. Here are some recommended options:

Pets at Home offers a wide range of guinea pig food, from hay to pellets and even specialty treats.

The Pet Express is another excellent source for quality food. They provide various options that cater to the specific needs of your pet.

VetUK is not just a source for pet medications; they also offer a good range of guinea pig foods that are vet-approved.

Pet Planet also provides an array of options, from balanced diet packages to fun, safe treats for your little friend.

Burgess Pet Care specializes in nutritionally balanced guinea pig food that is designed to meet all their unique dietary requirements.

Before making any purchases, remember to consult your vet to make sure you are choosing the most appropriate food for your pet’s specific needs.

What Food Should You Avoid Giving Guinea Pigs?

It’s crucial to know what foods are safe for your guinea pig and which ones to avoid. Feeding the wrong items can lead to health problems, ranging from mild digestive issues to severe medical conditions. Below is a table listing some foods and drinks you should never give to your guinea pig, along with explanations as to why they are harmful.

Food or DrinkReason to Avoid
ChocolateHighly toxic; can lead to poisoning
Dairy ProductsGuinea pigs are lactose intolerant
OnionContains compounds that can cause blood disorders
Iceberg LettuceLow nutritional value and high water content can cause diarrhoea
AvocadoHigh fat content; toxic elements
PotatoSolanine content can be toxic
Nuts and SeedsChoking hazard; high in fats
AlcoholPoisonous; can lead to severe illness or death
BreadCan cause digestive issues
MeatGuinea pigs are herbivores

In summary, it’s essential to be well-informed about the dietary needs and restrictions of your guinea pig. While it may seem like a good idea to share some of your food with them, not all human foods are safe for guinea pigs.

Always adhere to a diet specifically tailored for guinea pigs, focusing on high-quality hay, vegetables, and fruits that are safe for them to eat, as well as specially formulated guinea pig pellets. When in doubt, always consult your veterinarian for advice on what to feed your pet.


Taking care of a guinea pig involves more than just providing a safe and comfortable living environment; it also requires a deep understanding of their dietary needs. As tempting as it might be to treat your furry friend to a variety of foods, it’s crucial to stick to items that are safe and beneficial for them. Cheese, despite its popularity among humans, is not suitable for guinea pigs due to various health risks, including lactose intolerance and high salt and fat content.

Instead, focus on providing a balanced diet that includes high-quality hay, fresh vegetables, and limited fruits. Always consult your vet for tailored advice, and remember, what we consider treats can be hazards for our little friends.

Here’s to happy and healthy guinea pigs!


Is Cottage Cheese Safe For Guinea Pigs?

No, cottage cheese is not safe for guinea pigs for the same reasons as other types of cheese. It contains lactose, which guinea pigs cannot digest, and can lead to gastrointestinal issues.

Can Baby Guinea Pigs Eat Cheese?

No, cheese should be avoided for baby guinea pigs as well as adults. Baby guinea pigs have even more sensitive digestive systems and require a diet rich in hay, fresh vegetables, and specially formulated guinea pig pellets.

What Happens If My Guinea Pig Accidentally Eats Cheese?

If your guinea pig accidentally consumes cheese, closely monitor them for signs of distress such as bloating, diarrhoea, or lethargy. Consult your veterinarian for advice tailored to your pet’s specific condition.

Can Guinea Pigs Eat Vegan Cheese?

Even though vegan cheese is lactose-free, it’s not recommended for guinea pigs. Vegan cheeses often contain added salts, fats, and artificial ingredients, which are not suitable for your pet.

Is Cheese A Substitute For Guinea Pig Pellets?

No, cheese should not be used as a substitute for guinea pig pellets. Guinea pig pellets are specially formulated to meet all the nutritional needs of your pet, including the essential Vitamin C that guinea pigs cannot produce themselves.

Can Cheese Be Used As A Treat For Guinea Pigs?

While humans might consider cheese a treat, it’s not a suitable treat for guinea pigs due to its high salt and fat content, as well as lactose, which guinea pigs can’t digest. Opt for guinea pig-safe fruits and vegetables instead.

Are There Any Cheese-Flavoured Treats Safe For Guinea Pigs?

Generally, it’s best to avoid any cheese-flavoured treats for your guinea pig. Even if they don’t contain actual cheese, the artificial flavourings and other additives can be harmful to your pet.

Can Guinea Pigs Eat Cheese Crackers?

No, cheese crackers combine the unsuitability of both cheese and processed grains. These crackers are often high in salt and artificial preservatives, making them unsafe for guinea pigs.

Does Cheese Affect Guinea Pig Behaviour?

Cheese does not directly affect guinea pig behaviour, but consuming it can lead to health problems that might cause your pet to become lethargic or show signs of distress.

By being well-informed about what you can and cannot feed your guinea pig, you’re taking an essential step in ensuring their well-being and longevity. Always consult with your veterinarian when in doubt about introducing any new foods into your pet’s diet.


Exotic Direct. (n.d.). What Can Guinea Pigs Eat: Food, Unsafe Food and Dietary Requirements. Retrieved 27 August 2023, from Exotic Direct

Pet Keen. (n.d.). Can Guinea Pigs Eat Cheese? Retrieved 27 August 2023, from Pet Keen

Vet Explains Pets. (n.d.). Can Guinea Pigs Eat Cheese? Retrieved 27 August 2023, from Vet Explains Pets

Hepper. (n.d.). Can Guinea Pigs Eat Cheese? Retrieved 27 August 2023, from Hepper

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