Unless the tea has undergone a decaffeination process, all types of green tea contain some amount of caffeine, but the amount of caffeine varies by type. “The caffeine content in green tea may ...

This article covers green tea's caffeine content, decaffeinated tea, green tea's health benefits, and more. Caffeine is the ...

Having a cup of low caffeine or decaffeinated green tea is said to be incredibly beneficial for improving sleep quality and helping you fall asleep quicker. But, before you drink your green tea, ...

60 study participants were given capsules of catechins derived from decaffeinated green tea for 12 weeks. The researchers found that the incorrect response rate on another test of cognitive ...