Feiyan tea is named after the Chinese empress Ahao Feiyan from the Han Dynasty circa 32BC. This lady was admired for her slim build and her dancing abilities. Feiyan tea is a green tea used to improve metabolism. Green tea historically comes from China. It has gained popularity in the West for its health benefits, but it can cause side effects in some people. Before using this tea, consult your health care provider to ensure its safety.
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Gastrointestinal Side Effects
Feiyan tea contains flavanols, which are associated with gastrointestinal problems such as abdominal pain, nausea, vomiting and diarrhea, according to the Oregon State University. Green tea also contains alkaloids including caffeine. Because caffeine is a stimulant, increased GI activity may result. Dehydration may occur if fluids lost through vomiting and diarrhea are not replenished. If you experience any gastrointestinal symptoms, stop using Feiyan tea, replenish your fluids and contact your health care provider.
Increased Bleeding Risk
Feiyan tea may interact with the platelets in your blood. Platelets go to the site of a cut or injury to stop the bleeding; however, the flavonoids in green tea may decrease the amount of circulating platelets. Clotting may take longer if you are consuming green tea. In addition, if you are taking medications to thin your blood, such as warfarin, green tea may alter the medication action and increased bleeding may occur, according to the Cleveland Clinic. If you are not taking blood thinning medications and you notice blood-tinged urine or bleeding gums, contact your health care provider immediately.
The flavonoids in Feiyan tea can lead to less iron absorption in the intestines. This will result in a condition called iron-deficient anemia. Low iron levels will leave you with slower reflexes and feeling fatigued. This is because iron aids in carrying oxygen throughout the body. Severe anemia may cause dizziness and shortness of breath. If you experience these symptoms, call your health care provider to rule out other conditions.