Thursday, June 20, 2024
featured storyHEALTH

Green tea contains caffeine, people with high blood pressure advised not to take much.

People with high blood pressure and other blood conditions are advised to avoid drinking a lot of green tea at a time, nutritionist and other health scientists say that it contains caffeine. They should consult with nutritionists or dietitians before taking green tea.

A cup of green tea contains between 30 to 50 milligrams of caffeine, according to Mantwa Radebe, a nutritionist from South Africa. Faith Seke, PhD in agronomy and crop science confirms that caffeine level in an 8-ounce (230 ml) cup of green tea range between 30 and 50 milligrams.

According to Seke, caffeine consumption should be limited to 400 mg per day, which is about comparable to eight cups of green tea. However, it’s not advisable to have eight cups at once, especially if you are caffeine sensitive. But compare to other beverages, green tea contains less caffeine.

Michael Colangelo, a nutritionist from USA says that in addition to caffeine, which is a stimulant that some people need to avoid, green tea also contains antioxidant an amino acid not commonly found in the diet called L-theanine.

L-theanine has been shown to promote a state of calm awareness, it seems to be able to provide the attention and alertness associated with caffeine without the overstimulating side effects. The stimulation someone experiences from green tea will likely be noticeably different from the stimulant effect from coffee. Decaf green teas are not caffeine free but contains much lower amounts of caffeine.

The exact amount of caffeine depends on the type of leaf, as well as the strength of the tea. Even so, green tea still contains less caffeine compared to a standard cup of coffee.




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