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Can Guinea Pigs Eat Mint? (Serving Size, Hazards & More)

Tim Rhodes
Written by Tim Rhodes Last Updated: October 9, 2021

Can guinea pigs eat mint?

Guinea pigs belong to the South American rodent species, and they are socially companion animals.

Guinea pigs belong to the cavy family, similar to other cavies with short limbs, healthy bodies, and large eyes and heads.

Like other pets, guinea pigs also require special attention and constant care.

Guinea pigs are herbivores, but not all vegetables and fruits are right for them; they mostly eat cabbage, broccoli, carrot, spinach, and mint.

Mint is entirely safe for guinea pigs, and they eat mint stalks and mint stems.

Mint has mainly two types: peppermint and spearmint, and both types are used as food for Guinea Pigs.

Serving Size of Mint for Guinea Pigs

Guinea pigs can’t eat mint every day due to some health risks.

Health risks like kidney stones and bladder may develop in them if they eat mint every day.

You can control their daily serving of mints and only give them mint as a treat or supplementary meal.

Mint can be served twice a week to avoid any health issues in guinea pigs, one or two leaves of mint are enough for one guinea pig.

People who have guinea pigs as pets need to be careful with the serving size of all food, especially mint.

Sometimes, guinea pigs don’t know how to stop eating, so it’s good to carefully monitor their daily food intake.

Do Guinea Pigs like to eat Mint?

Guinea pigs like to eat almost all the herbs, especially green ones.

Mint is a green herb, and guinea pigs like to eat it.

Sometimes guinea pigs don’t like the mint’s smell or taste, and mint has its unique smell.

If your guinea pig is not eating mint, don’t force it; instead, try other herbs like cilantro, rosemary, basil, and thymes.

Overeating mint by Guinea pigs can cause many issues like vomiting, kidney stones, gases, etc.

Can Guinea Pigs eat Mint Flowers and Mint Leaves?

Guinea pigs can eat both mint leaves and mint flowers, they enjoy eating mint leaves, and for them, leaves are the favorite part of mint.

Always wash mint leaves before serving them to guinea pigs.

Mint leaves are not healthy to be fed to them every day in large serving sizes.

Guinea pigs can also eat mint flowers in moderation, moreover, guinea pigs like mint flowers due to their excellent taste and smell.

Before giving them mint leaves or mint flowers, make sure that your guinea pig is not allergic to them.

Is Mint Stalks and Mint Stems Dangerous for Guinea Pigs?

Both mint types are suitable food for the guinea pigs and their flower, leaves, and stalks.

Mint stalks and mint stems are not dangerous for guinea pigs, and they can eat them – make sure to serve them only a limited amount once or twice a week only.

Mint roots might be harmful to them, so don’t serve them with mint roots.

Mint leaves and flowers are the central part of the mint that guinea pigs can eat, however, before serving, cut down the roots and wash mint leaves and flowers properly.

Can Guinea Pigs Eat other Types of Mints?

There are different types of mints, like chocolate mints, lemon mints, and mint candy.

It’s safe for a guinea pig to eat lemon-mint as long the serving size is small.

Lemon mint has a mild lemon flavor, and you can serve these to the guinea pig once or twice a week.

Mint candy might be dangerous for guinea pigs due to choking risk, and it’s not suitable for their sensitive digestive systems.

Hazards of Feeding Mint to Guinea Pigs

Mint is a popular herb all over the world and has mainly two types, but is it safe for guinea pigs to eat mints or not?

Eating regular mint is not harmful to a guinea pig, but excessive eating might damage and cause many health issues.

There are certain parts and types of mint that are dangerous for the health of guinea pigs.

Mint candy and mint roots are not suitable for guinea pigs and can cause different health issues.

Many risk factors are associated with feeding the mint to guinea pigs regularly.

There is no Vitamin C in Mint

Vitamin C helps in the growth of guinea pigs and is an important nutrient.

Guinea pigs have bodies that are not capable of making vitamin C on their own.

Mint lacks this important nutrient need by guinea pigs, and food that doesn’t contain vitamin C is equivalent to a reduction in their lifespan.

Guinea pigs need this vitamin to survive, so feeding mint to them may not be the best decision.

Mint Might Cause Allergic Reaction in Guinea Pigs

Mint is capable of causing severe allergic reactions in guinea pigs.

If your guinea pig shows any allergic reaction symptoms after eating mint, they immediately stop eating this herb.

Besides that, many guinea pigs don’t show any allergic symptoms, but it’s good to avoid this herb overall.

Consult the qualified vet in case some serious health issue occurs in guinea pigs after eating mint.

Allergic reactions can cause many skin problems in guinea pigs if not treated on time.

Urinary Problems in Guinea Pigs

Mint has a large amount of calcium and sodium in it, which can cause many issues in guinea pigs.

Food having sodium and calcium is not suitable for guinea pigs and can cause urinary problems.

These ingredients can cause kidney stones in the bladder, or sometimes they also damage and stop the development of a bladder in guinea pigs.

Provide food to your guinea pig that is low in calcium and sodium to avoid any issues.

Keep a check on the mint’s serving size and only allow mint once or twice in 7-8 days.

Digestive Problems in Guinea Pigs

Always wash the mint leaves and flowers before feeding them to guinea pigs.

Sometimes mint leaves have many chemicals or pests on them, which can cause serious health problems in guinea pigs.

Washing helps to remove any pests or chemicals that may be on the mint.

Giving them unwashed mint can cause stomach issues in guinea pigs, which proves to be dangerous.

Immediately consult a qualified vet if you observe any stomach issue in your cavy.

Benefits of Feeding Mint to Guinea Pigs

Mint also has many health benefits if guinea pigs eat them once or twice a week.

Mint is popular due to its benefits to humans and many animals.

Mint is a herb rich in fiber, which helps to treat constipation in guinea pigs.

Mint has vitamin A which helps in improving eyesight and boost immunity in guinea pigs.

Besides these benefits, there are many other advantages of mint on the body of your pet.

Mint Helps in Digestion

Too much mint is dangerous for guinea pigs, but if mint is fed to them in a controlled amount, it’s proven to be beneficial.

It aids in the digestion process and helps deal with any digestion-related stomach issue.

Mint helps improve the digestive process in guinea pigs’ bodies and reduces the chance of any gastrointestinal infection.

It also helps in treating stomach disorders in guinea pigs.

You can use mint to cure any stomach illness in your cavy.

Mint is Good for Eye Health

Mint is good for eye health and helps in improving eyesight.

Mint contains vitamin A, which is good for the eyes, vitamin A helps to reduce any infection or disease related to the eyes in guinea pigs.

Vitamin A improves the eyesight of guinea pigs, and it provides them with macular health.

If your pig develops an eye issue, try feeding some mint, and if the condition remains the same, consult a vet.

Mint Boosts Immunity in Guinea Pigs

Mint helps the weak immune systems to work correctly.

Mint contains vitamin A which helps in providing some immunity to your guinea pig.

If you want to improve your cavy’s immunity, then feed him some mint leaves or flowers.

Make sure to keep the mint serving small and only twice in 7 days.

Feeding mint to guinea pigs is the best way to boost immunity.

Mint prevents Constipation and Increase Brain Performance

Besides many other benefits of mint, help in preventing constipation is its essential advantage.

There are certain compounds in mint leaves and flowers that help in increasing brain activity.

A healthy brain guarantees your guinea pig’s healthy life, so make sure to include mint in their diet.

Having mint leaves once or twice a week shows an increase in the performance of some brain functions.

Mint also contains dietary fibers, which are responsible for bowel movement and prevent constipation in your body.

Nutritional Facts of Mint

Mint has enough nutrients that make this herb beneficial to guinea pigs.

Mint contains a small amount of vitamin C and a large amount of vitamin A and these both are essential vitamins for your cavy.

Vitamin C is not produced or stored in guinea pig’s body, so it’s essential to include a diet with vitamin C in the diet plan.

You can use mint as a secondary meal for guinea pigs due to its health risks.

Nutrition Facts

Your pet will have many different types of nutrients on the serving of 100 grams.

For 100 grams the nutrients it include are following: 66% iron, 21% vitamin C, 80% vitamin A, 20 % calcium, 17% magnesium and 10 % vitamin B-6.

If you choose a serving size of 100 grams for your cavy, then it includes all the following: 3% protein, 68 grams of sugar, 80 grams of carbohydrates, and 2 grams of dietary fibers.

The other vital nutrients found in mint leaves and flowers are Vitamin A and C, calcium, magnesium, sodium, iron, and phosphorus.

How Cooling Sensation of Mint affect Guinea Pigs

Mint has a cooling sensation in its leaves and flowers.

Besides its scent, its cooling sensation also leaves some effect on the body.

There is no specific scientific evidence to prove its effect of cooling sensation on the guinea pigs’ body.

If you feed your pet mint in a proper amount, it doesn’t affect him.

Which Specie of Mint is Suitable for Guinea Pigs?

There are different species of mint like domestic, organic, and wild.

These all species are safe to eat but try to grow mint in your garden.

The wild mint from the forest or anywhere has many chemicals or pests on them, which proves to be dangerous for the guinea pigs.

Guinea pigs of any age are capable of eating mint twice a week.

Mint leaves are safe and nutritious to the guinea pigs.

How Different Nutrients and Minerals are Helpful for Guinea Pigs?

There are many different vitamins, minerals, and nutrients present in mint leaves, mint flowers, and mint stems.

Few of them have no positive or negative effect on the body of your cavy.

Some have an evident and direct effect.


Fiber is present in mint and has a positive effect on the guinea pigs’ bodies.

Fiber is the most useful nutrient in mint and helps provide support to the digestive system.

If you provide the proper amount of fiber to a guinea pig, it can resolve any stomach and digestive system issues.

Fiber also helps to prevent constipation and diarrhea.

Fiber is one of the excellent and healthy food that you can feed to your guinea pig.


Potassium is another nutrient present in the mints.

A bladder stone is the most common health issue in guinea pigs.

Potassium in the guinea pig’s body helps to fight the bladder stones and sometimes helps remove those stones.

Your pet cavy can use a little potassium in his diet to prevent any inconvenience for bladder stones.

Vitamin C

Vitamin C is essential for cavy because their body cannot produce vitamin C on their own like humans, so there is a chance of having scurvy in guinea pigs.

Scurvy is a common disease in bats and guinea pigs.

Vitamin C helps in protecting the body from aging and supports the immune system.

Vitamin A

Mint has two types; one is spearmint, and the other is peppermint, and both of these types have vitamin A.

Vitamin A provides support to the body of guinea pigs and prevents eyesight loss.

This vitamin also helps the immune system.

Vitamin A helps in various organ functions like the kidney, heart, reproductive organs, and lungs.

Make sure to include mint or food with vitamin A in the diet of your cavy.

Prepare Mint Properly Before Feeding to Guinea Pigs

Don’t give wild mint to guinea pigs; prepare and grow your mint.

Guinea pigs usually eat fresh herbs like mint, so make sure to provide them with one.

Mint – either it’s peppermint or spearmint; both are suitable for guinea pigs to eat.

Grow Mint in Your Kitchen Garden

Most people use dried or powdered mint to feed their guinea pigs.

Giving mint in dried and powdered forms sometimes prove dangerous for your cavy, so it’s essential to provide them with mint in original form, with leaves and flowers.

Try growing mint in your kitchen garden rather than buying from the market.

Mint is easy to grow at home, and your guinea pig can eat homegrown mint without any worries.

Homegrown mint doesn’t have any chemicals or pests, and you always have mint to feed to your cavy.

Always Purchase Organic Mint if Possible

If you can’t grow mint in your garden for some reason, try to buy organic mint from the market.

Organic herbs are grown without using any chemicals or pesticides and are healthy for guinea pigs.

Organic herbs are expensive, but your pet’s health is essential, so make sure to feed them with clean and fresh mint.

Don’t Feed Damaged or Wild Mint to Guinea Pigs

The mint that is wild damaged or shows any sign of illness is not suitable for guinea pigs’ health.

Never force your pet to eat those kinds of herbs, always feed them fresh herbs.

Your pet’s health is essential and if you feel any sign of illness, then immediately consult your vet.

Always rinse mint or other herbs with water because sometimes organic mint also contains bacteria and fungi.

Clean the mint to remove any excess water before giving it to guinea pigs.

Remove any Remaining Mint After 24 Hours

If your guinea pigs don’t eat all the served mint in 24 hours, then remove it.

Eating mint older than 24 hours can cause digestive issues in your pet.

Old mint also leads to the growth of bacteria in your pet’s cage and causes smell in your entire house.

Make sure to give your cavy fresh and organic mint, but not more than twice a week.

You can also consult your vet in case of any issues regarding mint or other herbs for your pet.

What Do Guinea Pigs Eat Normally?

Guinea Pigs are herbivores, so they eat fruits and veggies.

They don’t eat dairy, eggs, meat, insects and eat fresh leafy vegetables like mint and fresh hay.

The guinea pig parent keeps that in mind and provides them with a diet consisting of herbs and leaves.

Some herbs are dangerous for them, like chives, sage, chamomile, Rosemary, and Tarragon.

Herbs like mint, dill, endive, fennel, and many others are suitable for their health if you feed them in a limited amount.

Guinea Pigs Can Eat Mint

Mint is a safe herb to give your pet twice a week.

Mint leaves, mint flowers and mint stalk is the part that is considered safe for guinea pigs.

People who have guinea pigs as their pets mostly grow their herbs, especially mint, in their kitchen garden.

Mint has vitamin A, vitamin C, potassium, sodium, fiber, and other essential nutrients that help Guinea Pigs’ bodies perform their function correctly.

An excessive amount of mint can cause many health issues like disturbed digestive systems, bladder stones, eyesight issues, and scurvy.

Is a Guinea Pig the Right Pet for You?

Guinea Pigs are also known as cavy, and they are the right pet if you are looking for one.

If you want a pet for yourself or your child, then a guinea pig is the right choice.

They require proper care and diet.

They eat different kinds of herbs and veggies, so you won’t have to worry much about their food if you are a vegetarian.

Final Thoughts

Guinea pigs, also known as domestic cavy, are a species of rodents and used as pets in many parts of the world.

They are considered good pets, but they require constant care and attention, especially in their diet.

Being herbivores, they eat veggies and fruits, especially herbs with green leaves.

Mint is a safe herb for guinea pigs, but an excessive amount of this herb can be dangerous for them.

Mint has two types spearmint and peppermint; both are safe for guinea pigs to eat because they contain many vital nutrients and vitamins.

Always make sure to give fresh and organic mint to your pet to avoid any adverse effects on their health.

The ideal serving size of mint is few leaves twice a week, and don’t give them mint if your cavy show any allergic reaction.


Tim Rhodes
Tim Rhodes

Hi there! My name is Tim Rhodes and I'm a guinea pig enthusiast through thick and thin. My mission is to teach others useful tips and tricks about these cute creatures. When I'm not writing, I enjoy kickboxing and work as an animal trainer.

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