Green tea is made from an evergreen shrub called Camellia sinensis, native to China, Japan, and countries in North Africa and Middle East.
Green tea extract is used as a source of antioxidants for the maintenance of good health. It is also used as an adjunct to a weight management program in combination with healthy diet and regular exercise.
It may be used to lower the risk of heart disease, cholesterol levels, and certain types of cancer.
Your health care provider may have recommended this product for other conditions. Contact a health care provider if you have questions.
There may be some evidence to support the use of green tea extract in lowering the risk of heart disease, cholesterol levels, and certain types of cancer. There is limited evidence to support the use of green tea extract for other conditions.
When consumed in moderate amounts, green tea is usually well tolerated. Side effects may include bloating, constipation, diarrhea, gas, nausea, and upset stomach. In rare cases, it may cause liver damage, lowered potassium levels, and a rare type of blood clotting condition called thrombotic thrombocytopenic purpura.
Green tea extract may interact with:
Consult a health care practitioner before using green tea extract if you:
Before taking any new medications, including natural health products, speak to your physician, pharmacist, or other health care provider. Tell your health care provider about any natural health products you may be taking.
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