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Health | January 27, 2025 | Seila Chen

7 Best Japanese Teas for Immune System Support

Japanese teas have been trusted for centuries as a natural way to support immune systems. From antioxidant-rich green teas to herbal varieties, these teas offer a simple and soothing way to strengthen your health.

So, let’s dive into the best Japanese teas that can help boost your immune system and keep you feeling your best.

Matcha-Japanese Green Tea Powder

1. Matcha (Japanese Green Tea Powder)

Matcha is a powdered green tea known for its high concentration of antioxidants, particularly catechins like EGCG (epigallocatechin gallate). These powerful compounds help fight free radicals, reduce inflammation, and support your body’s immune defenses. Moreover, Matcha contains L-theanine, which helps reduce stress and improve focus, both of which can indirectly support immune health by keeping your body balanced and calm.

Here's how to prepare matcha with a bamboo whisk.

Sencha-Japanese Green Tea-for immune system

2. Sencha (Japanese Green Tea)

Secondly, Sencha is Japan’s most popular green tea, packed with vitamins C and E, which are essential for maintaining a strong immune system. The catechins in Sencha have antibacterial and antiviral properties, making it a great choice during cold and flu season. Its fresh, grassy flavor is both invigorating and comforting, making it a perfect daily ritual to recharge and refresh.

Visit our how-to guide to brew a perfect cup of Sencha green tea.

Hojicha-Japanese Roasted Green Tea-for immune system

3. Hojicha (Japanese Roasted Green Tea)

Hojicha is a roasted green tea with a nutty, toasty flavor that’s lower in caffeine compared to other green teas. Specifically, its polyphenols and antioxidants help reduce inflammation and support immune boost. Additionally, Hojicha’s warming properties can be particularly comforting during colder months, offering a sense of relaxation while helping your body fight off illness.

Want to learn more? Here’s everything you need to know about Hojicha roasted green tea.

4. Genmaicha (Japanese Green Tea with Roasted Brown Rice)

Genmaicha is a blend of green tea and roasted brown rice, often called "popcorn tea" due to the toasted rice’s nutty aroma. Specifically, this tea contains catechins from green tea and minerals from the roasted rice, making it an effective immune boost. Furthermore, Genmaicha is easy on the stomach, making it a great choice when you’re feeling under the weather.
Learn about all of Genmaicha brown rice green tea’s health benefits here.

Kuromamecha-Japanese Black Soybean Tea-for immune system

5. Kuromamecha (Japanese Black Soybean Tea)

Next, kuromamecha is made from roasted black soybeans and is naturally caffeine-free. This tea is rich in isoflavones and antioxidants, which help reduce oxidative stress and support immune health. Kuromamecha’s nutty, slightly sweet flavor makes it a comforting choice for those looking to unwind while boosting their wellness.

Here’s how you can brew the perfect cup of kuromamecha black soybean tea.

yuzu-tea-for immune system

6. Yuzu Tea (Yuzu Cha - Japanese Citrus Tea)

While technically a citrus infusion rather than a traditional tea, yuzu tea deserves a spot on this list for its immune-boosting benefits. Yuzu, a Japanese citrus fruit, provides vitamin C and antioxidants that help ward off colds and support overall health. People often make yuzu tea with a yuzu marmalade, creating a sweet, tangy drink perfect for soothing sore throats.

To enjoy, add a spoonful of yuzu marmalade to hot water, stir, and enjoy as a refreshing immune-boosting tea.

Mugicha-barley-tea-for immune system

7. Mugicha (Japanese Barley Tea)

Lastly, mugicha is a roasted barley tea that’s caffeine-free and rich in antioxidants. Known for its cooling properties, it helps reduce inflammation and improve digestion, which are both essential for maintaining a healthy immune system. Mugicha is often enjoyed cold during summer but can also be served hot for a cozy winter drink.

Learn more about Mugicha barley tea’s health benefits here.

Incorporating Japanese teas into your daily routine is a simple and gentle way to support your immune system naturally. Each tea brings its own unique benefits, from the antioxidants in matcha to the soothing warmth of hojicha. Whether you’re seeking a moment of calm or a wellness boost, there’s a Japanese tea that can meet your needs.

🍵 What is your top choice of Japanese Teas to boost your immune system? Take a picture and tag us on Instagram at @senbirdtea or #senbirdtea. We’d love to see your moment with tea!