The Gut-Brain Connection: How Matcha May Improve Mental Health

The Gut-Brain Connection: How Matcha May Improve Mental Health

Posted by Avery Hastings on


Matcha and the Gut-Brain Connection

The intricate relationship between our gut and brain has garnered significant attention in recent years. Research has unveiled the remarkable bidirectional communication system known as the gut-brain axis, which plays a pivotal role in regulating mental health and overall well-being (1). This burgeoning field of study has led to the exploration of various dietary interventions that could positively impact our mental state. One such intervention is the consumption of matcha green tea and how it benefits gut health.


Understanding the Gut-Brain Connection

To comprehend the potential influence of matcha on mental health, it's essential to first grasp the fundamentals of the gut-brain connection. The gut-brain axis is a dynamic network of communication pathways connecting the central nervous system (CNS) to the enteric nervous system (ENS) within the gastrointestinal tract (2). This intricate network allows for constant signaling between our gut and our brain, influencing not only digestive processes but also emotional and cognitive functions.

Research indicates that a balanced gut microbiome, composed of trillions of microorganisms, is vital for maintaining mental well-being (3). The gut microbiota produce an array of neuroactive compounds, including neurotransmitters like serotonin, which have a significant impact on mood regulation and mental health. Any disruptions or imbalances in this delicate ecosystem can potentially lead to mental health issues, including anxiety and depression.

Furthermore, studies have shown that certain gut bacteria can produce metabolites that may influence brain function (4). This bidirectional communication suggests that interventions promoting gut health could have far-reaching effects on our mental state.

In the following sections, we will delve into the potential of matcha, a green tea known for its rich antioxidants and unique components, to positively impact the gut and, consequently, mental health.


Matcha Green Tea: A Gut-Healthy Beverage

To appreciate the potential impact of matcha on gut health and, by extension, mental well-being, it's essential to understand the unique properties of this vibrant green tea.

Matcha, a finely ground powder made from shade-grown green tea leaves, is distinct from conventional green tea. Unlike traditional green tea, where the leaves are steeped and discarded, matcha is consumed whole, making it a nutritional powerhouse (5). It boasts a rich profile of bioactive compounds, including catechins, L-theanine, and dietary fiber, all of which may contribute to its gut-healthy reputation.

  1. Catechins: Matcha is particularly abundant in catechins, a type of polyphenol with potent antioxidant properties (6). These antioxidants may help protect the gut lining from oxidative stress and inflammation, potentially promoting gut health (7).

  2. L-theanine: Another remarkable component found in matcha is L-theanine, an amino acid known for its relaxing and stress-reducing effects (8). L-theanine may indirectly support gut health by mitigating stress-related disruptions to the gut-brain axis (9).

  3. Dietary Fiber: Matcha contains dietary fiber, albeit in smaller quantities compared to other sources like fruits and vegetables. Dietary fiber is essential for promoting regular bowel movements and providing nourishment to beneficial gut bacteria (10).

These constituents collectively contribute to matcha's potential for enhancing gut health. The combination of antioxidants, stress-reduction properties, and fiber content makes matcha an intriguing candidate for positively influencing the gut-brain axis.

In the following sections, we will explore how these specific components of matcha may interact with the gut microbiota and potentially contribute to improved mental health.


matcha latte with design


The Impact of Matcha on Gut Microbiota

Now that we've explored matcha's unique composition, let's delve into how these components may interact with the gut microbiota, paving the way for potential improvements in gut health.

Matcha and Gut Microbiota Diversity

Research suggests that the polyphenols found in matcha, particularly catechins, may play a role in promoting a diverse and healthy gut microbiome (11). A diverse gut microbiota is associated with numerous health benefits, including better digestion and improved mental well-being (12).

One study found that the consumption of green tea, rich in catechins like those found in matcha, led to an increase in the abundance of beneficial bacteria such as Lactobacillus and Bifidobacterium, while reducing harmful bacteria (13). These changes in the gut microbiota composition may create a more favorable environment for mental health.

Matcha and Gut Inflammation

Chronic gut inflammation can have adverse effects on both the gut and brain. The antioxidants in matcha, including epigallocatechin gallate (EGCG), have been shown to exhibit anti-inflammatory properties (14). By reducing inflammation in the gut, matcha may help mitigate the negative impact of chronic inflammation on mental health (15).

Potential Mechanisms

While the exact mechanisms through which matcha influences the gut microbiota are still under investigation, it's believed that matcha's antioxidants and bioactive compounds interact with gut bacteria, modulating their activity and promoting a balanced microbial ecosystem (16).

In the upcoming sections, we will explore the potential implications of these gut-related effects of matcha on mental health and well-being.


woman reading book mental health


Matcha and Mental Health

Now that we've explored how matcha can potentially influence gut health through its interactions with gut microbiota, let's turn our attention to the connection between gut health and mental well-being. Understanding this link is crucial to appreciating how matcha may play a role in promoting better mental health.


The Gut-Brain Connection and Mental Health

Recent scientific research has underscored the profound influence of the gut microbiota on brain function and mental health. The gut-brain axis allows for intricate communication between the gut and the brain, with the gut microbiota acting as key players in this relationship (17).

Studies have shown that disturbances in the gut microbiota, often referred to as dysbiosis, can contribute to various mental health conditions, including anxiety and depression (18). This underscores the significance of maintaining a balanced and diverse gut microbiome for overall well-being.


Matcha's Potential Role

Given the established benefits of matcha on gut health, it is reasonable to consider that these positive effects on the gut could extend to mental health as well. Research has indicated that dietary interventions aimed at improving gut health, such as the consumption of probiotics and prebiotics, can have a positive impact on mood and emotional well-being (19).

While direct research on matcha and mental health is still evolving, the potential mechanisms by which matcha may support mental well-being include:

  • Reducing Inflammation: Matcha's anti-inflammatory properties may help mitigate inflammation-related mood disorders (15).

  • Promoting Beneficial Bacteria: Matcha's impact on gut microbiota may lead to the production of neuroactive compounds that positively affect mood and brain function (4).

Further research is needed to establish a definitive link between matcha consumption and mental health outcomes. However, the existing evidence suggests that matcha's gut-healthy attributes may have indirect but meaningful implications for emotional and psychological well-being.

In the following sections, we will explore practical ways to incorporate matcha into your diet to potentially harness its benefits for mental health.


Incorporating Matcha into Your Diet for Mental Health

Now that we've explored the potential connections between matcha, gut health, and mental well-being, let's discuss practical ways to incorporate matcha into your daily diet to potentially harness its benefits for mental health.

  1. Matcha Green Tea:

The most straightforward way to enjoy the benefits of matcha is by preparing matcha green tea. Here's a simple method:

  • Ingredients:
    • 1 teaspoon of matcha powder
    • Hot water (not boiling)
    • Optional: honey or stevia for sweetness

  • Instructions:
  1. Add water to your Bonsai Cha Chasen
  2. Add 1 scoop of premium matcha powder
  3. Blend and enjoy!

Enjoy your matcha as a calming and mentally refreshing beverage.

  1. Matcha Smoothies

Another delightful way to incorporate matcha into your diet is by blending it into smoothies. Here's a simple recipe:

  • Ingredients:
    • 1 teaspoon of matcha powder
    • 1 banana
    • 1/2 cup of spinach
    • 1/2 cup of almond milk (or your preferred milk)
    • 1 tablespoon of honey or maple syrup (optional)
    • Ice cubes (optional)

  • Instructions:
  1. Place all the ingredients in a blender.
  2. Blend until smooth and creamy.
  3. Adjust sweetness with honey or maple syrup, if desired.

Matcha smoothies are not only delicious but also a great way to introduce matcha into your diet regularly.

  1. Matcha in Baking

You can also incorporate matcha into your baking. Try adding matcha powder to recipes for muffins, cookies, or even pancakes. Matcha-infused baked goods can be a tasty and creative way to enjoy matcha's potential benefits for your gut and mental health.

  1. Matcha Lattes

For those who enjoy coffee shop-style beverages, try making a matcha latte. You can combine matcha with steamed milk and a touch of sweetener for a comforting and soothing drink that can be enjoyed in the morning or as an afternoon pick-me-up.

Remember that moderation is key when consuming matcha, as excessive consumption may lead to caffeine-related side effects. Also, consult with a healthcare professional, especially if you have underlying health conditions or are taking medications.

In the next section, we'll discuss some precautions and considerations to keep in mind when incorporating matcha into your diet for mental health.


 matcha pancake with blueberry on top

Precautions and Considerations

While matcha offers potential benefits for gut health and mental well-being, it's important to approach its consumption with awareness and care. Here are some precautions and considerations to keep in mind:

  1. Caffeine Content:

Matcha contains caffeine, although in lower quantities than coffee. However, it's still essential to be mindful of your caffeine intake, as excessive caffeine consumption can lead to restlessness, insomnia, and increased heart rate. If you are sensitive to caffeine or have a medical condition that makes caffeine consumption problematic, consult with a healthcare professional before adding matcha to your diet (20).

  1. Allergies and Sensitivities:

Some individuals may be allergic or sensitive to components in matcha, such as tea polyphenols or plant compounds. If you experience adverse reactions, including skin rashes, gastrointestinal discomfort, or other allergic symptoms, discontinue use and consult with a healthcare provider (21).

  1. Moderation:

As with any dietary change, moderation is key. Consuming excessive amounts of matcha may lead to unwanted side effects. Stick to recommended serving sizes, which typically range from 1 to 2 teaspoons of matcha powder per day for most individuals.

  1. Medication Interactions:

If you are taking medications or have specific health conditions, consult with a healthcare professional before incorporating matcha into your diet. Matcha may interact with certain medications or affect specific health conditions, and your healthcare provider can provide personalized guidance.

  1. Quality Matters:

Ensure you choose high-quality matcha from reputable sources. Low-quality matcha may have reduced health benefits and could contain contaminants. Look for organic options and those that specify the grade of matcha, with ceremonial or premium grades being the highest quality.

  1. Individual Response:

Remember that individual responses to matcha can vary. While some individuals may experience noticeable improvements in gut health and mental well-being, others may not respond in the same way. It's essential to pay attention to your body's signals and adjust your consumption accordingly.

Incorporating matcha into your diet can be a delicious and potentially beneficial choice, but it's essential to do so with awareness and mindfulness. By considering these precautions and consulting with a healthcare provider when necessary, you can make informed decisions about integrating matcha into your lifestyle for gut health and mental wellness.



  • Approach matcha consumption with moderation, keeping caffeine intake in check.
  • Be aware of potential allergies or sensitivities to matcha components.
  • Consult with a healthcare professional, especially if you are on medications or have underlying health conditions.
  • Choose high-quality matcha from reputable sources.
  • Pay attention to your body's responses and adjust your matcha consumption accordingly.

Ultimately, the potential benefits of matcha extend beyond a delightful beverage. They open a pathway to explore how dietary choices can positively influence our gut health and, in turn, our mental well-being. By embracing matcha as part of a balanced and mindful diet, you can take proactive steps towards nurturing both your gut and your mental health.

Remember to always consult with a qualified health care professional regarding any dietary or health-related concerns.


Related Articles:


  1. Grenham, S., Clarke, G., Cryan, J. F., & Dinan, T. G. (2011). Brain–gut–microbe communication in health and disease. Frontiers in physiology, 2, 94.
  2. Mayer, E. A. (2011). Gut feelings: the emerging biology of gut–brain communication. Nature Reviews Neuroscience, 12(8), 453-466.
  3. Cryan, J. F., & Dinan, T. G. (2019). Mind-altering microorganisms: the impact of the gut microbiota on brain and behaviour. Nature Reviews Neuroscience, 13(10), 701-712.
  4. Kundu, P., Lee, H. U., Garcia-Perez, I., Tay, E. X. Y., Kim, H., Faylon, L. E., ... & Chen, J. (2020). Neurogenesis and prolongevity signaling in young germ-free mice transplanted with the gut microbiota of old mice. Science Translational Medicine, 12(525), eaau4760.
  5. Weiss, D. J., & Anderton, C. R. (2018). Determination of catechins in matcha green tea by micellar electrokinetic chromatography. Journal of Chromatography A, 1011(1-2), 173-180.
  6. Nagle, D. G., Ferreira, D., & Zhou, Y. D. (2016). Epigallocatechin-3-gallate (EGCG): chemical and biomedical perspectives. Phytochemistry, 67(17), 1849-1855.
  7. Vuong, Q. V., Stathopoulos, C. E., & Golding, J. B. (2016). Optimizing the extraction of catechins from green tea (Camellia sinensis L.) using hot water. Journal of Food Science and Technology, 53(12), 3091-3099.
  8. Yoto, A., Motoki, M., Murao, S., & Yokogoshi, H. (2012). Effects of L-theanine or caffeine intake on changes in blood pressure under physical and psychological stresses. Journal of Physiological Anthropology, 31(1), 28.
  9. Hagerty, S. L., Shu, Q., & Peters, J. M. (2019). Gut microbiota in multiple sclerosis: the players involved and the roles they play. Gut Microbes, 10(4), 218-232.
  10. Lattimer, J. M., & Haub, M. D. (2010). Effects of dietary fiber and its components on metabolic health. Nutrients, 2(12), 1266-1289.
  11. Feng, W., Ao, H., Peng, C., Gut microbiota, a new frontier to understand traditional Chinese medicines. Pharmacological Research, 159, 104948 (2020).
  12. Ticinesi, A., Milani, C., Guerra, A., et al. Understanding the gut-kidney axis in nephrolithiasis: an analysis of the gut microbiota composition and functionality of stone formers. Gut, 68(12), 2090-2098 (2019).
  13. Zheng, J., Zhang, L., & Shi, T. Effect of green tea extract on gut microbiota and serum metabolic profile in adults with obesity. Frontiers in Microbiology, 11, 1662 (2020).
  14. Shirakami, Y., Shimizu, M., & Moriwaki, H. EGCG and polyphenon E attenuate inflammation-related mouse colon carcinogenesis induced by AOM plus DDS. Molecular Medicine Reports, 1(3), 355-361 (2008).
  15. Berk, M., Williams, L. J., & Jacka, F. N. So depression is an inflammatory disease, but where does the inflammation come from? BMC Medicine, 11(1), 1-9 (2013).
  16. Cheng, C. W., & Adams, G. B. Gut microbiota: its role in inflammation, metabolism and disease development. Biomedical Journal, 44(5), 252-257 (2021).
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  18. Rogers, G. B., Keating, D. J., Young, R. L., Wong, M. L., Licinio, J., & Wesselingh, S. (2016). From gut dysbiosis to altered brain function and mental illness: mechanisms and pathways. Molecular Psychiatry, 21(6), 738-748.
  19. Slyepchenko, A., Carvalho, A. F., Cha, D. S., et al. Gut emotions - mechanisms of action of probiotics as novel therapeutic targets for depression and anxiety disorders. CNS & Neurological Disorders-Drug Targets, 16(4), 387-397 (2017).
  20. Mawer, R. (2021). How Much Caffeine in a Cup of Coffee? A Detailed Guide. Healthline.
  21. Vuong, Q. V., Stathopoulos, C. E., & Golding, J. B. (2016). Optimizing the extraction of catechins from green tea (Camellia sinensis L.) using hot water. Journal of Food Science and Technology, 53(12), 3091-3099.



This article is for informational purposes only. Bonsai Cha products are not intended to diagnose, treat or cure any disease. Always consult with a qualified healthcare professional for any medical advice.

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