15 Green Tea Side Effects – Why Consuming It In Excess Is Bad

13. Headaches And Dizziness

green tea triggers headaches and dizziness

The caffeine content of green tea causes headaches, dizziness, nausea, and slight vertigo. A headache is also a result of the deficiency of iron in the body that is caused by drinking too much green tea. The average recommended the dosage of green tea is about ed green tea as regular green tea might make you feel shaky and cause throbbing pain in the forehead and temples.