Oolong tea, which literally translates to black dragon tea, is a traditional Chinese green tea produced from Camellia sinesis.

This tea is unique among other green teas for its processing which includes withering of tea leaves in sunlight and then oxidation followed by curling and twisting.

Oolong tea is rich in antioxidants, minerals and vitamins. Because of this, you can get several benefits from drinking oolong tea.

However, there are some downsides to excessive drinking of oolong tea as well. Most of these side effects are in account of the caffeine content of oolong tea.

Things to remember before using oolong tea

Increased Blood Pressure

Oolong tea may increase blood pressure

Caffeine in oolong tea can alleviate the symptoms of people with high blood pressure.

Abdominal Problems

When you drink oolong tea on an empty stomach, tannins found in the tea can bring on abdominal problems like constipation, diarrhea and vomiting.

Harmful During Pregnancy

pregnant women

If you are pregnant, then you should limit your oolong intake to 2-3 cups. Caffeine overdose during pregnancy can complicate birth and harm the newborn.

You should also take caution if you have


The caffeine in oolong tea can worsen the symptoms of diarrhea when it is consumed in large amounts.

Weak Bones


Excess intake of oolong tea can lead to calcium deficiency in the body. If you suffer from osteoporosis or weak bones, then you should limit your daily tea intake.

Caffeine Overdose

Caffeine is a stimulant and when you intake more than the recommended amount of it, there can be a few adverse effects such as increased urination, dizziness, irregular heartbeat, convulsions and muscle twitching.



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