I always get the question about caffeine in green tea. Also along with that question, I get questions if its okay for pregnant women to drink green tea, so I have gathered these two questions to this single blog post.


How much caffeine in green tea

Actually caffeine is very low compared to coffee, it’s about 1/3rd of coffee and slightly less than black tea. Within Japanese green tea caffeine varies, high end Japanese teas (Matcha, High-end Sencha, and Gyokuro) are said to have higher caffeine. On the other hand, Genmaicha and Houjicha teas are said to have lower caffeine than green tea. 

Caffeine amount of Green Tea
*Source: Ministry of Education, Culture, Sports, Science and Technology(JAPAN) “STANDARD TABLES OF FOOD COMPOSITION IN JAPAN”


Can Pregnant Woman Drink Japanese Green Tea?

The jury still is out on this issue. Some amount of caffeine from any caffeine-containing beverage consumed by a pregnant woman would transfer to the fetus, who do not have the ability to break down the caffeine. For this reason, some say that caffeine has negative effect on an unborn child. On the other hand, some scholars say that this would happen only with a large amount of tea. In Japan, most obstetricians and gynecologist say that one or two cups of green tea a day should not cause any issues in a pregnant woman. Some tea stores in Japan even recommend green tea to pregnant women because of the iron included in green tea. If you are pregnant and plan to drink green tea, we always recommend that you consult with your doctor first. Thank you for reading:)

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