Too Much Of Green Tea May Cause Heartburn

The vitamin K in green tea also inhibits Warfarin ( 12).īottom Line – Avoid consuming green tea if you are on Warfarin or any other anticoagulant drug treatment. So, people undergoing Warfarin treatment must avoid caffeine-rich products like green tea extracts or excessive amounts of green tea ( 39). Research shows that caffeine inhibits the metabolism of Warfarin. Scientists have found that green tea caffeine blocks the action of Warfarin. Warfarin is a common anti-blood-clotting drug administered to treat blood clots and reduce the risk of heart attack and stroke. It may also cause insomnia and reduce the quality of sleep. Consuming more than 300 mg of caffeine per day may reduce sleep quality and cause insomnia, irritability, depression, anger, and anxiety ( 37), ( 38).īottom Line – Having a lot of green tea per day may increase anxiety and irritation. The caffeine present in green tea is a nervous system stimulant. While lower doses of green tea may help induce sleep and lower stress, higher doses can lead to insomnia and anxiety ( 36). Green Tea Caffeine May Cause Anxiety And Insomnia However, in this context, higher doses of green tea may harm bone growth and density.īottom Line – Excessive consumption of green tea or taking green tea extract pills or supplements may prevent bone growth and increase the risk of fractures. Note: There are several studies that show green tea flavonoids i X Compounds found in plants that are generally consumed by humans in the form of fruits and vegetables.

It may also cause bone loss in the elderly ( 32), ( 33), ( 34), ( 35). The National Osteoporosis Foundation warns that excessive caffeine may prevent calcium absorption ( 31).īoth mice and human studies show that green tea extract (GTE) or higher green tea intake reduces bone accumulation rate, increases fracture risk, and reduces bone mineral density. Green Tea Caffeine May Cause Bone Weakness Related: 12 Natural Remedies For Hypothyroidism And Prevention Tips 8. On the other hand, it may reduce the same risk in postmenopausal women ( 30).īottom Line – Green tea catechins in high doses may cause abnormal thyroid function. In rat studies, daily caffeine intake of 120-150 mg/kg during pregnancy may cause the baby to lose weight (a case of maternal hyperthyroidism i X A condition which occurs when a thyroid gland produces more hormones than needed, increasing the speed of the metabolic process.) ( 29).Ī study conducted at the National Cancer Center, Tokyo, Japan, showed that green tea consumption might increase the risk of thyroid cancer in postmenopausal women. But excessive intake of green tea caffeine may impair thyroid function ( 28). are known to reduce the risk of thyroid cancer. Green tea catechins i X They are organic substances and powerful antioxidants found in large quantities in tea, cocoa, and berries that prevent chronic illnesses. Caffeine In Green Tea May Impair Thyroid Function Related: 13 Effective Home Remedies To Stop Vomiting And Nausea 7. Only a licensed physician has the authority to determine the dose and necessity of caffeine to treat migraines.īottom Line – Caffeine is toxic in higher doses and may cause headache, nausea, vomiting, low blood pressure, flushing, and atrial fibrillation. Note: Caffeine is used to treat migraines. , and sometimes, even death ( 26), ( 27). It also increases the chances of heart risks.

Taking these may cause atrial fibrillation i X An abnormal heart rate that leads to blood clots. These caffeine pills or supplements contain higher than normal doses of caffeine. Researchers at the Monmouth Medical Center, USA, caution against the use of OTC caffeine pills taken with other nervous system stimulants.

There have also been reports of high blood pressure at normal doses of green tea caffeine ( 26). However, people who are sensitive to caffeine may show symptoms of caffeine intoxication at lower doses as well ( 26). Higher doses of caffeine may cause blood pressure to drop below normal levels ( 26). Caffeine toxicity is typically characterized by headache, nausea, vomiting, chills, palpitations, and flushing ( 26). To maximise the effects of your detox, we recommend eating meals with lots of fruits and greens, lean meat and whole grains.Consuming more than 400 mg of caffeine per day may cause caffeine toxicity. Teatox is not a diet or meal replacement. The benefits of your tea come into play during periods when you’re most likely to have food cravings, cramps or bloating. Take a 4 to 6-week break in between 28 day programs for your body to rest and readjust after each detox. Teatox is a 28-day program and not intended for long term use. Do take a rest in between 28-day cycles.

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