Chaga Mushroom Side Effects - Safety Guide & Precautions

Key Takeaways

• Chaga mushrooms, rich in antioxidants, boost immunity and reduce inflammation.
• Caution is needed as Chaga can cause bleeding, especially with blood thinners like warfarin.
• Chaga may complicate surgeries by increasing bleeding and slowing healing.
• It can lower blood sugar levels, affecting those on diabetes medications.
• Chaga potentially aggravates auto-immune diseases like Lupus, Arthritis, and MS.
• Rarely, excessive Chaga use can lead to reversible oxalate nephropathy.
• Chaga might interfere with medications for diabetes, auto-immune disorders, and blood clotting.
• Chaga tea, rich in antioxidants, may alleviate constipation naturally.
• Avoid Chaga if diabetic, with auto-immune diseases, or pre-surgery.
• Consult a doctor before combining Chaga with any medications.

Chaga, a fungus that notably grows on birch trees in cold climates, is one of the most sought-after medicinal mushrooms. Revered in Chinese medicine for centuries, it has a reputation for bolstering overall health. Many studies have shown it to be packed with antioxidants that can help boost your immune system and fight inflammation.

However, just like all medicinal mushrooms and natural supplements, Chaga should be approached with caution as it can have some side effects for certain people. These effects are fairly uncommon, but they may affect people with certain pre-existing conditions.

Below, we’ve put together a list of some of the potential side effects Chaga may have.

If you’re thinking about taking Chaga supplements, make sure you read these first and always consult your GP if you have any concerns whatsoever.

Side Effects Of Chaga Mushroom

Chaga is an incredible medicinal mushroom with benefits that seriously outweigh the risk of the side effects for most people. Again though, these are some of the very rare issues that some people have experienced:

Bleeding & Bruising

One of the most common side effects of Chaga is bleeding and bruising. However, this really only occurs in people that have been prescribed anticoagulants or blood-thinning medications (such as warfarin and aspirin).

So, if you’re currently taking any of this medication or you’ve recently been prescribed it, you shouldn’t take Chaga just to be on the safe side. You should also avoid Chaga if you suffer from haemophilia.

Surgical Complications

Since Chaga is believed to reduce blood clotting, there is also a chance that it could lead to surgical complications. These include increased blood flow during surgery and taking longer to heal post-surgery.

If you’re currently taking Chaga and you’re scheduled for surgery, you should stop taking it at least two weeks before your operation.

Low Blood Sugar

There are some instances where Chaga mushroom may negate the effects of blood sugar medications and insulin. If you suffer from diabetes, it’s a good idea to check with your doctor before you start taking Chaga.

If you suffer from Hypoglycemia, you may find that Chaga makes you feel weak, confused, overly thirsty, or irritable. You may also find that you have trouble speaking. Both of these instances are due to the fact that Chaga is believed to help lower blood sugar levels.

Aggravating Auto-Immune Diseases

Since Chaga is believed to stimulate white blood cells and boost the immune system, there’s a chance that it could aggravate the symptoms of certain auto-immune diseases.

These include SLE (Systemic Lupus Erythematosus), Rheumatoid Arthritis, and Multiple Sclerosis. If you are currently suffering from any of these auto-immune diseases, it’s best to avoid taking Chaga altogether.

Chaga Mushroom-Induced Oxalate Nephropathy

A unique, yet rare side effect associated with excessive Chaga mushroom consumption is oxalate nephropathy. This condition arises from the accumulation of oxalate crystals in the kidneys, leading to potential kidney damage. However, it's important to note that such instances are infrequent and often linked to overconsumption.

A study mentions a case where a patient fully recovered from acute kidney injury (AKI) and minimal change disease (MCD) caused by Chaga mushroom-induced oxalate nephropathy. This finding underlines the reversible nature of this condition and emphasizes the need for further research to understand its disease course better.

As always, moderation and medical consultation are essential for safe Chaga consumption.

Can Chaga Extract Be Harmful?

For most people, Chaga extract can be taken with very few side effects. However, there are some instances where it might be harmful.

The first of these is during surgery. Chaga is believed to contain antiaggregant substances including polysaccharides and certain minerals. While this helps to improve circulation, they also thin the blood.

This poses a real risk during surgery as you could bleed excessively. It may also make it harder to recover from surgery as it could prevent the blood from clotting, which is essential for wound healing.

For these reasons, it’s best to stop taking Chaga at least two weeks before you are scheduled for surgery.

People who suffer from diabetes or hypoglycemia may also find that Chaga can have a harmful effect. The reason for this is that Chaga is believed to lower blood sugar levels. It’s so powerful, in fact, that one study found it led to a 31% drop in blood sugar over the course of three weeks.

With this in mind, it could interact negatively with insulin and other blood sugar medications, lowering your blood sugar to a level that is dangerously low. For this reason, it’s best to check with your doctor before you start taking Chaga.

Does Chaga Interact With Medications?

There is a risk that Chaga could interact with several medications, especially those that are designed to help manage blood sugar, auto-immune diseases, and blood clotting. But how does Chaga affect these medications?

Let’s look at blood sugar medications, first of all. Chaga is believed to help lower blood sugar levels. Certain diabetes and hypoglycemia medicines are designed to do the same thing. If you mix the two together, you could bring your blood sugar levels to a dangerously low level.

If you are currently taking any of the following medications, it’s best to avoid using Chaga:

• Amaryl
• DiaBeta
• Glynase
• PresTab
• Micronase
• Actos
• Avandia
• Diabinese
• Glucotrol

Chaga may also interact negatively with auto-immune disease medications by making the immune system more active. Auto-immune diseases are caused by the immune system attacking itself. Add more power to this and you’re potentially making the problem worse.

Some examples of auto-immune medications that Chaga could interact negatively with include:

• Imuran
• Simulect
• Neoral
• Sandimmune
• Zenapax
• CellCept
• Prograf
• Rapamune
• Deltasone

There's also a consideration for those on high blood pressure medications. Since Chaga might reduce blood pressure, it could potentially amplify the effects of antihypertensive drugs, leading to an unsafe drop in blood pressure. This is particularly important for individuals taking medications like:

• Lisinopril
• Losartan
• Amlodipine
• Metoprolol

Finally, Chaga could interact negatively with blood clotting medications. The reason for this is that it contains certain polysaccharides and minerals that improve circulation by thinning the blood. A result of this, however, is that it makes it much harder for blood to clot.

Blood clotting and blood thinner medications that Chaga may negate include:

• Aspirin
• Plavix
• Voltaren
• Cataflam
• Ibuprofen
• Naprosyn
• Fragmin
• Lovenox
• Heparin
• Coumadin

These are not definitive lists of medications that chaga can have negative interactions with - again, always check with your GP first before beginning to take chaga.

How Much Chaga Per Day Can You Drink?

When you start drinking Chaga tea it’s a good idea to drink no more than one cup a day. This allows your body to get used to the mushroom rather than overpowering your system. Once a few weeks have passed, you can increase your Chaga tea consumption according to how often you feel the need for it.

There isn’t really a set rule when it comes to how much Chaga you can drink in a day. Just start slowly and, once your body is used to it, you can start experimenting.

Discovering the optimal daily dose of Chaga that works best for you is a personal journey. So, while a friend may find that they need 2-3 cups of Chaga tea a day, you may find that one a day is enough.

There isn’t much of a benefit to drinking more than three cups of Chaga per day, though. You’ll end up with a surplus of the vitamins and minerals Chaga feeds your body with, so, rather than absorbing and using them, they will just be removed as waste.

Can You Drink Too Much Chaga Mushroom Tea?

When it comes to drinking Chaga tea, there is such a thing as “too much of a good thing”. Chaga is a health supplement and, as such, it needs to be taken seriously. Think of it as a prescription medicine and stick to a set dosage for your personal needs.

As we’ve explained above, it’s also important to slowly introduce your body to Chaga tea. This is because drinking too much at first can shock your system. This may result in increased awareness and, ultimately, you’ll find yourself feeling overly energetic instead of getting that manageable extra boost.

It’s also very important to note that there are several instances when you shouldn’t drink Chaga tea at all. For the most part, it has very few side effects. But if you are affected by any of the conditions mentioned below, it’s best to refrain from consuming Chaga.

• Auto-Immune Diseases: As Chaga contains so many powerful antioxidants, people that suffer from an auto-immune disease may find that drinking Chaga tea exacerbates the problem rather than helping.

• Blood Disorders: If you suffer from haemophilia or you’re on blood-thinning medication, you should refrain from taking Chaga tea altogether as it may prevent blood clotting.

• Kidney Disorders: People suffering from kidney stones or kidney disease should avoid Chaga as it contains a substance called oxalate. This is one of the contributing factors to the formation of kidney stones.

It’s also worth noting that, while Chaga extract may help lower blood sugar levels, anybody that has been diagnosed with diabetes should approach Chaga with caution. If in doubt, it’s always best to check with your doctor first.

How Much Chaga Is Too Much? The Dosage Limit

While there's no one-size-fits-all answer due to individual differences, consuming more than 3,600mg of chaga per day might raise concerns. Cases exceeding this amount have linked chaga to kidney issues. It's crucial to start with smaller doses, observe your body's response, and consult a healthcare professional for personalized guidance before adding chaga to your routine. Remember, more isn't always better!

Can You Drink Chaga Tea Every Day?

Yes, you can absolutely drink Chaga tea every day. In fact, as long as you’re not drinking too much and you don’t suffer from any of the health issues listed above, there are lots of health benefits that come from enjoying a daily cup of Chaga tea.

However, the amount of Chaga tea you drink on a daily basis will ultimately depend on your personal health needs and the benefits of Chaga you seek to achieve. When you first start, don’t drink more than one cup a day. This will give your body time to get accustomed to the influx of vitamins and minerals you’re feeding it with.

You can increase the amount of Chaga tea you drink every day over time, but it’s best to drink no more than three cups a day. The reason for this is simply because there is no need to, and your body will just process the excess vitamins and minerals as waste.

Of course, you don’t have to drink Chaga tea every day. You might find it more beneficial to drink it only under certain circumstances, such as:

• Drinking Chaga tea when you need energy: Most people drink Chaga tea as a way of getting an extra boost of energy without having to worry about the eventual crash. With this in mind, you might find it more beneficial to drink Chaga tea at a time of day that you start feeling your energy levels falling, such as mid-afternoon. It’s also a good alternative to your regular morning coffee to get you up and moving first thing!

• Drinking Chaga tea when you’re ill: Chaga tea contains a high level of antioxidants. This makes it ideal for boosting your immune system and, in turn, you may find that you’re able to heal faster. It may also help reduce sinus inflammation, so it could help you breathe more easily if you’re suffering from the flu.

• Drinking Chaga tea during the winter: As well as being able to heal sickness, the high level of antioxidants contained in Chaga tea may help you prevent catching certain illnesses in the first place by strengthening your immune system. This is particularly useful during winter when the flu is at its highest level of circulation.

Does Chaga Mushroom Tea Contain Caffeine?

One of the best things about Chaga tea (aside from its numerous health benefits) is the fact that it contains absolutely no caffeine. Despite being caffeine-free, Chaga may still be capable of boosting your energy levels. In fact, it may even be a better alternative to coffee and tea as you won’t feel the ‘caffeine crash’ a few hours later. Instead, you’ll get a steady release of energy that is much more manageable on the rise and the fall.

Some pre-made Chaga teas, however, do contain caffeine. In these instances, the caffeine will have been added to it separately. This is done by mixing the Chaga with artificial caffeine or with a caffeine-rich tea (such as black, green, white, or oolong).

If you’d rather avoid caffeine altogether, it’s best to make Chaga tea yourself or look for a pre-made tea that doesn’t contain any caffeine.

While Chaga doesn’t contain caffeine, you should still avoid taking it in the hours leading up to your bedtime. This is because you’ll still get that energy hit and, as such, you may find yourself unable to drift off to sleep as easily.

How Do You Drink Chaga Tea?

There are a few different ways that you can enjoy a delicious cup of Chaga tea. It can even be served cold, which is particularly refreshing on a hot summer day!

To show you how versatile Chaga tea is, we’ve listed three different ways you can drink Chaga tea below:

1. Single-Cup Method

This is the easiest and most popular way to drink Chaga tea. Simply mix it straight in your cup and you’re all set!

• Take a ball strainer and place 1-2 teaspoons of ground Chaga mushroom powder inside.
• Pop the strainer in your cup and fill the cup with boiling water.
• Allow the tea to steep for around 5 minutes, taking care not to surpass the 10-minute mark.
• Remove the strainer and enjoy your Chaga tea

2. Saucepan Method

This is the best method if you prefer to use dried Chaga rather than ground Chaga. It’s also ideal if you’re making more than one cup.

• Grab a wide-based saucepan and place your dried Chaga chunks inside. If you have any pieces that are larger than 1-inch, it’s best to break them into smaller pieces.
• Fill the saucepan with water and bring to a boil over medium heat.
• Once the water is boiling, reduce the heat to low and allow it to simmer for 30 minutes.
• After 30 minutes have passed, remove the pan from the heat and leave it to steep for a few minutes.
• Strain the Chaga-infused water into a teapot or directly into cups and enjoy!

3. Iced Chaga Tea

This method is a little more involved, but once you’ve mastered it you’ll be able to enjoy a refreshing glass of iced Chaga tea on a hot day. You will be using chaga powder for this recipe as well.

• Brew your Chaga tea using either of the methods above.
• Allow it to cool completely then pour the tea into a mason jar or pitcher.
• Place the tea in your refrigerator for 2 hours.
• Add a few lemon slices to the pitcher or jar along with some ice cubes. You can also add some honey or maple syrup if you’d like to sweeten it.
• Serve and enjoy!

How Long Does Chaga Tea Last?

Generally speaking, Chaga tea has a shelf life of 1-2 years. However, the length of time that your Chaga tea will last ultimately depends on how you store it.

Take note of any expiration dates that are on the packaging, as this will give you a better idea of how long it will last.

To keep your Chaga tea fresh for as long as possible, it should be stored in a cool, dry place. You should also store it out of direct sunlight. Sunlight and moisture accelerate mushroom decay. So, the more your Chaga tea is subjected to light, heat, and moisture, the faster it will go bad.

If you make Chaga tea using dried Chaga chunks, keep them in an airtight container. If you use powdered Chaga, it can be kept in its original container as long as it is airtight. This will keep your Chaga tea fresh and, in turn, you can expect it to last up to two years.

What Does Chaga Mushroom Taste Like?

While Chaga mushrooms don’t look particularly appetizing, they make a really delicious tea when brewed with hot water.

Chaga tea has an “umami” flavour. This means it has an earthy, savoury taste. It also has a hint of bitterness, but not so bitter that it’s hard to drink.

As with all teas, however, the taste of Chaga tea intensifies the longer you brew it. With this in mind, you can achieve a milder taste by leaving it to brew for 3-5 minutes.

If you like a tea with a stronger flavour, leave it to brew for up to 10 minutes. Or, for ultimate strength, use the pot-brewing method that we’ve detailed above.

You can also make Chaga tea taste a little sweeter by adding lemon, honey, or maple syrup.

Does Chaga Tea Help With Constipation?

Chaga is packed with antioxidants. For this reason, a cup of Chaga mushroom tea could be exactly what you need to help get things moving again if you’re suffering from constipation.

Unlike some chemical-based constipation medicines, its antioxidant effect is completely natural so there’s a small risk of it upsetting your stomach in the process.

It’s also tasteless and odourless, so you don’t have to worry about drinking something with a foul taste.

That’s not all, though. Chaga tea is also believed to help aid the digestive system in processing food and absorbing nutrients more efficiently.

So, not only will a cup of Chaga tea help to cure constipation, drinking a cup every day could help keep things running smoothly and prevent constipation altogether.

Want to give Chaga tea a try? It’s super easy to make. Here’s what you need to do:

1. Take a small ball strainer and fill it with 1-2 teaspoons of ground Chaga.
2. Place the strainer into a mug and fill it with boiling water.
3. Allow the Chaga to steep for at least ten minutes, but don’t go past the 10-minute mark.
4. Remove the strainer, add milk or honey (if required) and enjoy!

That’s all there is to it! In the end, you’ll have a hot cup of Chaga tea that won’t only help ease your constipation but will provide you with loads of other health benefits!

You can also mix Chaga with coffee!

Frequently Asked Questions

Q1. What does chaga do to your body?

Chaga mushrooms have several health benefits. They are high in antioxidants, which help reduce inflammation. Chaga has shown potential in fighting cancer, lowering blood sugar, and reducing cholesterol levels, but more research is needed to fully understand these impacts.

Q2. Is it safe to take chaga everyday?

While there is no specific guidance on daily consumption, chaga is generally considered safe when used in moderation. However, due to potential interactions with certain medications (like blood thinners and diabetes medications), and the presence of compounds like oxalic acid, which could affect kidneys, it's advised to consult a healthcare provider before regular use, especially for individuals with certain health conditions.

Q3. Can chaga affect the liver?

Some studies indicate chaga's potential in preventing the growth of cancer cells in the liver, but this research is preliminary and more human-based studies are required.

Q4. Can you take chaga long term?

The long-term effects of chaga are still under research, and there's limited information available about its safety over extended periods. Given its potential interactions and effects on blood sugar and cholesterol, as well as the presence of compounds that may affect kidney health, it's important to use chaga cautiously and under medical guidance for long-term use.

Q5. Is it better to take chaga in the morning or at night?

There’s no strict rule but consider your preference. Some people find it energizing, so morning consumption might be suitable. Others prefer it in the evening. Listen to your body and choose what works best for you.

Q6. How much chaga is safe per day?

Chaga is generally safe, but it’s essential to exercise caution and not exceed the 3,600mg daily limit. If you’re frail or have an autoimmune disease, check for potential side effects as well. It may interact with certain drugs, especially blood thinners and insulin. 

Conclusion

As with all herbal supplements, there are some side effects of Chaga that you need to be aware of. Some of these can be quite serious as well, so it’s incredibly important that you do your research before you start taking any Chaga mushroom supplements or making Chaga tea. Also, it's important to make sure you're not taking too much chaga. 

If you suffer from diabetes or an auto-immune disease, you should avoid taking Chaga altogether. You should also stop taking Chaga two weeks before any surgery, as it might cause excessive bleeding during the operation and make it harder for your wounds to heal.

Finally, take a look at the list of medications we’ve listed above. If you’ve been prescribed any of these (or any other medication for blood sugar, blood clotting, or auto-immune diseases), you shouldn’t take Chaga supplements or mushroom extract.

To reiterate - we are not medical experts and highly recommend you talk to your doctor or GP before taking any supplements!