As per Syah, each cup of matcha contains approximately 70 milligrams of caffeine.

“Excessive caffeine intake can interfere with the body’s production of progesterone and estrogen,” he continued, stating that this hormonal disruption could lead to a number of menstrual complications, including irregular periods, increased menstrual pain, mood swings and general menstrual instability.”

He recommended that anyone experiencing irregular periods should hold off on matcha sipping for one to two weeks to see if it makes any changes to their cycle.

However, with that said, many other outlets have reported that there are actually many benefits to drinking matcha during your period.

What are the benefits of drinking matcha during your period?