Can My Hamster Eat Acorns? [Answered]

Acorns are rich in healthy fats and protein - but they should only serve as a treat, not a regular meal.
Can My Hamster Eat Acorns? [Answered]

Curiosity killed the cat. Or so, they say. As a hamster owner, I can’t tell ya how many times I’ve thought of just picking up whatever the crap I’m eating and feeding it to my hamster — acorns being one of them. But I learned the hard way when I fed my hamster chocolate one day. I never knew chocolate was so toxic to hamsters. At first, he was excited about it, nibbling down eagerly. But after a while, he started to experience some serious discomfort and I had to rush him to the vet. Long story short, chocolate contains theobromine, which while safe for humans, is toxic for small animals like hamsters — but I didn’t know this, because my ignorant self just decided to feed him the chocolate without first, taking a few seconds to look it up on Google. Phew.

Okay, I know I went off on a tanget there, but I want to drive the point home: before you feed anything to your pet, check, double-check and triple-check it is safe for them, to avoid any unforseen side effects. So, acorns! Are they safe for your little guy? Let’s find out!

Can Hamsters Eat Acorns?

Yes, hamsters can eat acorns, but you have to moderate how much you give them. Acorns contain tannins, which are basically compounds that block the body’s ability to absorb nutrients…so, you can see how dangerous that can be for your hamster if they consume large quantities of it. Okay, I didn’t mean to scare you there– with proper preparation, acorns can still be a nutritious treat for your hamster.

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Nutritional Value

Acorns are rich in healthy fats, proteins, and minerals such as calcium and potassium. They also contain vitamins, including vitamin A, vitamin E, and some B vitamins. These nutrients are essential for your hamster’s overall health, making acorns a beneficial addition to their diet when fed occasionally and in moderation.


When prepared correctly, acorns can offer several benefits for your hamster including:

  1. Nutrient-dense treat: Acorns are packed with essential nutrients that can support your hamster’s health, including healthy fats, proteins, vitamins, and minerals.
  2. Dental health: Chewing on hard, crunchy acorns can help keep your hamster’s teeth clean and healthy.
  3. Mental stimulation: Foraging for and gnawing on acorns can provide mental stimulation for your hamster, keeping them engaged and happy.

How to Prepare Acorns

To safely feed acorns to your hamster, follow these preparation steps:

  1. Remove the outer shell: Use a nutcracker or a similar tool to remove the hard outer shell of the acorn.
  2. Soak the acorns: Soak the shelled acorns in water for 24-48 hours, changing the water regularly. This process helps to remove the tannins, making the acorns safer for your hamster to eat.
  3. Chop into small pieces: To prevent choking, chop the soaked acorns into small, bite-sized pieces before feeding them to your hamster.
  4. Store properly: Store any leftover prepared acorns in an airtight container in a cool, dry place for up to a month.

Better Alternatives

If you’re looking for other healthy and nutritious treats to offer your hamster, consider the following:

  • Sunflower seeds: These seeds are high in healthy fats and proteins, which can provide energy and support growth in hamsters.
  • Pumpkin seeds: Rich in essential nutrients like magnesium, zinc, and healthy fats, pumpkin seeds can be a beneficial addition to your hamster’s diet.
  • Carrots: Carrots are a good source of vitamins, minerals, and fiber, which can help support your hamster’s digestive health.
  • Broccoli: This vegetable is high in vitamins and minerals, including vitamin C and potassium, which can support your hamster’s immune system and overall health.
  • Apples: Apples provide vitamins, minerals, and fiber, making them a nutritious treat for your hamster when offered in small amounts and with the seeds removed.
  • Blueberries: These berries are rich in antioxidants and vitamins, which can help support your hamster’s immune system and overall health.
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For a more comprehensive list, please see our vet-approved foods list for hamsters.

Frequently Asked Questions

Why should I be cautious when feeding acorns to my hamster?
Acorns contain tannins, which are harmful to hamsters if consumed in large quantities. Following the proper preparation process we’ve outlined earlier in this post can help reduce the tannin content.

How often should I feed my hamster acorns?
Acorns should be offered as an occasional treat, not as a regular diet.

What nutrients do acorns provide for my hamster?
Acorns are rich in healthy fats, proteins, and minerals such as calcium and potassium.

Can acorns cause diarrhea in hamsters?
Yes, overfeeding acorns or feeding acorns with high tannin content can cause diarrhea in hamsters.

Is it safe to feed my hamster acorns I found outside?
If you choose to feed your hamster acorns found outside, make sure they are free of mold, insects, and dirt. Remove the shells, wash them properly with a little salt and run them under clean water, then soak them for 48hrs to reduce tannin content.

Can acorns replace commercial hamster food?
No, acorns cannot, and should not replace commercial hamster food, as they don’t provide all the nutrients your hamster needs — only part of it. Acorns should ONLY be an occassional thing.

Can I feed my hamster roasted acorns?
Roasted acorns may have a lower tannin content, but make sure they are not salted or seasoned before feeding them to your hamster.

Can acorns cause choking in hamsters?
Yes, if they’re not properly cut. To prevent choking, chop the prepared acorn into small, bite-sized pieces before feeding it to your hamster.

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Hamsters can eat acorns, but you have to take extra steps to prepare them, so they can consume them safely without any issues. When prepared properly, acorns provide great nutrients for your hamster. See you around!

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