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5 possible side effects of drinking green tea excessively

Drinking green tea moderately doesnt create any problem for the drinker.

In fact drinking 2-3 cups of green tea everyday will keep a person healthy.

But when green tea is taken excessively it can create some health issue to the cmsumers/

  • Negative side effects of caffeine in green tea: Sometimes if more green tea is taken regularly, than those with severe caffeine sensitivities could experience, anxiety,insomnia, irritability, nausea, or upset stomach.
  • Should mot drink green tea if taking Blood thinners :- If somebody is taking blood thinner drugs than one such as should avoid drinking too much green tea due to its vitamin K content.
  • bad combination with stimulants – if green tea is taken with stimulant drugs, green tea could increase blood pressure and heart rate.

Special Precautions & Warnings for childrens and pregnant woman while drinking green tea.

Pregnancy and breast-feeding: one or two cups of green tea is perfectly safe for a healthy pregnant woman. This amount of green tea provides about 200 mg of caffeine.

However, drinking more than 2–3 cups of green tea per day can be regarded risky for a pregnant woman.

its because Consuming more than 2 cups of green tea daily has been linked to an increased risk of miscarriage and other negative effects due to the caffeine content.

Drinking green tea during pregnancy might increase the risk of birth defects associated with folic acid deficiency.

so, its always recommended for a pregnant woman to avoid excessive intake of green tea .During the first trimesters of pregnancy green tea should be totally avoided. And during the second and third trimester only minimum amount should be consumed.It should not exceed two cups a day .

Note: Please understand green tea is not herbal tea and it contains caffeine /

“Tired blood” (anemia): Drinking green tea may make anemia worse.

Anxiety disorders: The caffeine in green tea might make anxiety worse.

Bleeding disorders: Caffeine in green tea might increase the risk of bleeding. Don’t drink green tea if you have a bleeding disorder.

Heart conditions: Caffeine in green tea might cause irregular heartbeat.

Diabetes: Caffeine in green tea might affect blood sugar control. If you drink green tea and have diabetes, monitor your blood sugar carefully.

Diarrhea: Green tea contains caffeine. The caffeine in green tea, especially when taken in large amounts, can worsen diarrhea.

Glaucoma: Drinking green tea increases pressure inside the eye. The increase occurs within 30 minutes and lasts for at least 90 minutes.

High blood pressure: The caffeine in green tea might increase blood pressure in people with high blood pressure. However, this does not seem to occur in people who regularly drink green tea or other products that contain caffeine.

Irritable bowel syndrome (IBS): Green tea contains caffeine. The caffeine in green tea, especially when taken in large amounts, can worsen diarrhea and might worsen symptoms of IBS.

Liver disease: Green tea extract supplements have been linked to several cases of liver damage. Green tea extracts might make liver disease worse.


Green tea supplements contain high levels of active substances that can trigger side effects and interact with other herbs, supplements, or medications.

Green tea supplements are unregulated by the FDA and may also contain other substances unsafe for health or with unproven health benefits. Always check with a doctor before starting any herb or supplement regimen.

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Tabrez Khan

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