Does oolong tea have caffeine？

Oolong tea generally contains caffeine.

Oolong tea is a semi-fermented tea, compared to green tea and black tea, with a degree of fermentation in between. Caffeine is a naturally occurring substance in tea, and oolong tea also contains some amount of caffeine. Caffeine is a neurostimulant that stimulates the central nervous system, refreshes the mind and increases alertness. The caffeine content in Oolong tea is relatively low, but still has a certain stimulating effect. Caffeine sensitivity varies among individuals. Some people may be more sensitive to caffeine and may feel euphoria or insomnia after drinking oolong tea.

If you are sensitive to caffeine or have certain health problems, such as heart disease, high blood pressure, stomach ulcers, etc., it is best to consume oolong tea in moderation to avoid adverse reactions after overdose. If you are worried about the effect of caffeine on the organism, you can choose decaffeinated oolong tea or other decaffeinated tea drinks. In addition, oolong tea should not be consumed before going to bed, otherwise it will make it difficult to fall asleep.