Two cups of oolong tea is recommended. If possible, one in the morning and one in the afternoon; so it wont affect your sleep. And too much oolong can upset stomach and decrease the effectiveness of medications.

Also Know, what does oolong tea do for you? Take Home Message. Oolong tea may not be as well known as green or black tea, but it has similar health benefits. These include benefits for heart, brain, bone and dental health. In addition, it may boost your metabolism, decrease your risk of developing type 2 diabetes and protect against certain types of cancer.

Accordingly, does Oolong tea have more caffeine than coffee?

Oolong Tea Caffeine versus Coffee Its however safe to assume that oolong tea contains less caffeine than a cup of coffee. According to the statistics from USDA, a cup of 8 oz coffee contains 95mg caffeine, while a cup of 8 oz brewed oolong is 36mg.

Which tea is highest in caffeine?

Black Tea. Black tea, such as Earl Grey and English Breakfast, is the most oxidized and flavorful tea, which also makes it the most caffeinated. Each 8-ounce cup of black tea contains between 60 to 90 milligrams of caffeine.