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Who should not drink oolong tea?

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Pregnant women should limit themselves to no more than three cups of tea a day since excess caffeine can cause things like premature birth and low birth weight.

For people with iron deficiency, drinking tea can interfere with how your body takes in iron.

You should not drink oolong tea with other stimulants such as amphetamines or ephedrine. That could cause serious heart problems.

Avoid oolong tea if you take blood-thinning medications or if you use herbs or supplements that slow down blood clotting,like

  • Garlic
  • Clove
  • Ginger
  • Ginkgo

From: Oolong Tea WebMD Medical Reference

SOURCES:

National Cancer Institute: "Tea and Cancer Prevention: Strengths and Limits of the Evidence."

Ma, J. "Tea Contains Potent Inhibitors of Tyrosine Phosphatase PTP1B."

Natural Medicines Comprehensive Database: "OOLONG TEA."

Shiraishi, M. , 2010. BioScience Trends

Tze-Pin, N.G. , 2008. The American Journal of Clinical Nutrition

Guo, Y., Zhi, F., Chen, P., et al., 2017. Green tea and the risk of prostate cancer: A systematic review and meta-analysis.

Academy of Nutrition and Dietetics: "Herbs & Blood Clotting." 

 

Reviewed by Christine Mikstas on May 29, 2019

SOURCES:

National Cancer Institute: "Tea and Cancer Prevention: Strengths and Limits of the Evidence."

Ma, J. "Tea Contains Potent Inhibitors of Tyrosine Phosphatase PTP1B."

Natural Medicines Comprehensive Database: "OOLONG TEA."

Shiraishi, M. , 2010. BioScience Trends

Tze-Pin, N.G. , 2008. The American Journal of Clinical Nutrition

Guo, Y., Zhi, F., Chen, P., et al., 2017. Green tea and the risk of prostate cancer: A systematic review and meta-analysis.

Academy of Nutrition and Dietetics: "Herbs & Blood Clotting." 

 

Reviewed by Christine Mikstas on May 29, 2019

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