Matcha has become a popular drink in recent years due to it’s many health benefits. However, some people have raised concerns about whether it can make you sick. In this article, we’ll explore the potential side effects of matcha and how to prevent overconsumption.
Matcha is a type of green tea that is made by grinding the leaves into a fine powder. It’s high in antioxidants and has been shown to have many health benefits, such as reducing the risk of heart disease and improving brain function. However, like any food or drink, matcha can have side effects if consumed in excess.
Overconsumption of matcha can lead to symptoms such as nausea, vomiting, diarrhea, and headaches. These symptoms are usually mild and go away on their own, but in rare cases, they can be more severe. It is important to understand the potential risks of matcha and how to consume it safely to avoid any negative effects on your health.
Quick Navigation
- What is Matcha
- Matcha and Health Benefits
- Possible Side Effects of Matcha
- Understanding Matcha Overdose
- Symptoms of Matcha Overconsumption
- Preventing Matcha Overdose
- When to See a Doctor
- Conclusion
- Frequently Asked Questions
- Does matcha have any potential negative side effects?
- What are the possible side effects of consuming too much matcha?
- Can matcha cause stomach discomfort or nausea?
- Is there a recommended amount of matcha to consume to avoid negative effects?
- How long do the negative effects of matcha consumption typically last?
- What are some common symptoms of matcha-related sickness?
Key Takeaways
- Matcha is a type of green tea that is high in antioxidants and has many health benefits.
- Overconsumption of matcha can lead to mild symptoms such as nausea and headaches, but in rare cases, it can be more severe.
- To prevent overconsumption, it is important to consume matcha in moderation and be aware of the potential risks.
What is Matcha
Matcha is a type of green tea that originated in Japan. It is made by grinding green tea leaves into a fine powder, which is then whisked with hot water to create a frothy, bright green beverage.
Matcha has become increasingly popular in recent years due to its potential health benefits. It’s rich in antioxidants, which can help protect your body against damage from free radicals. It also contains caffeine and L-theanine, which can help improve focus and concentration while promoting a sense of calm.

Matcha is available in various grades, with the highest quality being ceremonial grade. This grade is made from the youngest leaves and has a sweeter, more delicate flavor. Lower grades of matcha are often used in cooking or blended into smoothies.
When purchasing matcha, it’s important to look for high-quality, organic options to ensure that you are getting the most health benefits possible. It’s also important to store matcha properly to maintain its freshness and flavor.
Overall, matcha can be a healthy addition to your diet when consumed in moderation as part of a balanced diet and active lifestyle.
Matcha and Health Benefits
Matcha is a finely ground powder made from specially grown green tea leaves. It has become increasingly popular in recent years due to its potential health benefits. Here are some of the ways that matcha may benefit your health:
- High in antioxidants: Matcha is rich in antioxidants, which can help protect your cells from damage caused by free radicals. One study found that matcha contains up to 137 times more antioxidants than regular green tea.
- Boosts metabolism: Matcha contains a compound called EGCG, which has been shown to increase metabolism and help burn fat. However, it’s important to note that these effects are modest and may not lead to significant weight loss on their own.
- Enhances brain function: Matcha contains caffeine, which can help improve alertness and concentration. It also contains L-theanine, an amino acid that promotes relaxation and may help reduce stress and anxiety.
- May lower risk of chronic diseases: Some studies have suggested that drinking green tea, including matcha, may help lower the risk of certain chronic diseases such as heart disease, diabetes, and certain types of cancer. However, more research is needed to confirm these benefits.
Overall, matcha is a healthy beverage choice that may offer a range of potential health benefits. However, it’s important to remember that matcha should be consumed in moderation as part of a balanced diet and healthy lifestyle.
Possible Side Effects of Matcha
Matcha is generally considered safe for most people when consumed in moderation. However, like any other food or beverage, it can cause side effects in some individuals. Here are some possible side effects of matcha that you should be aware of:
1. Caffeine Overconsumption
Matcha contains caffeine, which is a stimulant that can cause jitters, nervousness, and insomnia if consumed in large amounts. If you are sensitive to caffeine, you may want to limit your intake of matcha or avoid it altogether.
2. Stomach Upset
Matcha contains tannins, which are compounds that can cause digestive issues such as stomach upset, nausea, and diarrhea in some people. If you experience any of these symptoms after consuming matcha, you may want to reduce your intake or avoid it altogether.
3. Allergic Reactions
Matcha is made from green tea leaves, which can trigger allergic reactions in some individuals. Symptoms of an allergic reaction may include hives, itching, swelling, and difficulty breathing. If you experience any of these symptoms after consuming matcha, you should seek medical attention immediately.
4. Interference with Medications
Matcha contains high levels of antioxidants, which can interfere with certain medications. If you are taking any prescription medications, you should consult with your doctor before consuming matcha to avoid any potential interactions.
In summary, while matcha is generally safe for most people, it can cause side effects in some individuals. If you experience any negative symptoms after consuming matcha, you should reduce your intake or avoid it altogether.
Understanding Matcha Overdose
Matcha is a type of green tea that is made by grinding green tea leaves into a fine powder. It’s known for its high concentration of antioxidants and caffeine, which can provide a range of health benefits, including improved cognitive function and increased energy levels.
However, consuming too much matcha can lead to negative side effects, including stomach upset, nausea, and even vomiting. This is because matcha contains high levels of caffeine, which can cause overstimulation of the central nervous system.

The amount of matcha that is safe to consume varies depending on a number of factors, including your age, weight, and overall health. As a general rule, it is recommended that adults consume no more than 400 milligrams of caffeine per day, which is roughly equivalent to four cups of coffee or two cups of matcha.
To avoid matcha overdose, it is important to pay attention to the amount of matcha you are consuming and to limit your intake if you begin to experience negative side effects.
It’s also important to be aware of other sources of caffeine in your diet, such as coffee, tea, and soda, and to limit your overall caffeine intake to a safe level.
If you are concerned about the potential side effects of matcha, it is always a good idea to talk to your doctor or a qualified healthcare professional before adding it to your diet. They can help you determine the appropriate amount of matcha to consume based on your individual needs and health status.
Symptoms of Matcha Overconsumption
If you consume too much matcha, you may experience symptoms of overconsumption. These symptoms can vary in severity depending on the amount of matcha consumed and your individual tolerance.
Some of the symptoms of matcha overconsumption include:
- Nausea
- Vomiting
- Diarrhea
- Headache
- Dizziness
- Insomnia
- Rapid heartbeat
- High blood pressure
- Anxiety
- Irritability
- Tremors
- Dehydration
It’s important to note that these symptoms can also be caused by other factors, such as caffeine sensitivity or dehydration. However, if you have consumed a large amount of matcha and experience these symptoms, it’s possible that you have overconsumed.
If you experience any of these symptoms after consuming matcha, it’s recommended that you stop consuming it and seek medical attention if necessary. To prevent overconsumption, it’s important to consume matcha in moderation and follow recommended serving sizes.
Preventing Matcha Overdose
Matcha is a potent source of caffeine, and it is possible to consume too much of it, leading to side effects like jitteriness, headaches, and nausea. However, you can prevent matcha overdose by following some simple guidelines.
Firstly, pay attention to the serving size. A typical serving of matcha is about 1 teaspoon, which is equivalent to 2 grams. Do not exceed this amount, especially if you are new to matcha or have a low caffeine tolerance.
Secondly, choose high-quality matcha. Lower quality matcha may contain impurities or additives that can cause adverse reactions. Look for matcha that is certified organic and free from pesticides.
Thirdly, avoid drinking matcha on an empty stomach. Consuming matcha on an empty stomach can increase the risk of side effects like nausea and jitters. Instead, have a small snack or meal before drinking matcha.
Fourthly, do not combine matcha with other sources of caffeine. Consuming matcha with other caffeinated beverages or supplements can increase the risk of caffeine overdose.
Lastly, listen to your body. If you experience any adverse effects from matcha, stop consuming it immediately. Everyone’s tolerance to caffeine is different, and it is essential to pay attention to your body’s signals.
By following these guidelines, you can enjoy matcha without the risk of overdose or adverse effects.
When to See a Doctor
If you experience any negative symptoms after consuming matcha, it may be a sign that your body is not tolerating it well. While matcha is generally safe for most people, it is possible to have an allergic reaction or experience other adverse effects.
If you experience any of the following symptoms after consuming matcha, you should consider seeking medical attention:
- Severe stomach pain or cramping
- Vomiting or diarrhea that lasts for more than a day
- Difficulty breathing or swallowing
- Swelling of the face, lips, tongue, or throat
- Severe headache or dizziness
- Rapid or irregular heartbeat
These symptoms could be a sign of an allergic reaction or other medical condition that requires immediate attention. It is important to seek medical attention as soon as possible if you experience any of these symptoms.
If you are unsure whether or not you should see a doctor, it is always best to err on the side of caution. You can also speak with your healthcare provider if you have any concerns about consuming matcha or other types of tea. They can provide you with personalized advice based on your individual health needs and medical history.
Conclusion
Based on the available evidence, it’s unlikely that consuming matcha will make you sick, as long as it’s consumed in moderation and as part of a balanced diet. While some people may experience minor side effects such as headaches or stomach upset, these are generally rare and not severe.
It’s important to note that matcha contains caffeine, which can cause adverse effects in some individuals, especially if consumed in large quantities. Additionally, matcha may interact with certain medications, so it is important to consult with your healthcare provider if you have any concerns.
Overall, matcha is a safe and healthy beverage that can provide a variety of health benefits, including improved mental clarity, increased energy, and enhanced antioxidant activity. If you enjoy the taste and benefits of matcha, feel free to continue incorporating it into your diet in moderation.
Frequently Asked Questions
Does matcha have any potential negative side effects?
Matcha is generally considered safe for most people when consumed in moderation. However, like any other food or drink, it may cause negative side effects in some people, especially those who are sensitive to caffeine or have pre-existing medical conditions.
What are the possible side effects of consuming too much matcha?
Consuming too much matcha can lead to negative side effects such as headaches, jitteriness, insomnia, increased heart rate, and high blood pressure.
Can matcha cause stomach discomfort or nausea?
Yes, consuming too much matcha or drinking it on an empty stomach can cause stomach discomfort, nausea, and even vomiting. This is because matcha contains high levels of caffeine, which can irritate the stomach lining.
Is there a recommended amount of matcha to consume to avoid negative effects?
The recommended daily dose of matcha is about 1 to 2 teaspoons (2 to 4 grams) per day. Consuming more than this amount may increase the risk of negative side effects.
How long do the negative effects of matcha consumption typically last?
The duration of negative side effects from matcha consumption can vary depending on the individual and the amount consumed. Generally, the effects may last for a few hours to a day.
Common symptoms of matcha-related sickness include headaches, nausea, vomiting, diarrhea, jitteriness, increased heart rate, and high blood pressure. If you experience any of these symptoms after consuming matcha, it is recommended to stop consumption and seek medical attention if necessary.

Scott is the founder of TeaMinded. He enjoys tasting and discovering teas from across the globe, with green teas and ceremonial matcha from Japan being among his favorites. He’s grateful to be immersed in the tea community, always learning and sharing along the journey.