Green tea is among the oldest herbal teas known to us. Since long, it has gained prominence because of its claimed benefits for your health, out of which weight loss is a prominent one. But, at the same time, if not consumed in moderation, green tea has certain negative effects also, which may aggravate your health problems.

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Side Effects Of Green Tea

1. Leads To Stomach Problems

Green tea contains polyphenols called tannins, which tend to increase the amount of acid present in your stomach. These may cause stomach ache, burning sensation, nausea, or constipation. This is the reason green tea should not be consumed on an empty stomach. It is better to drink it between your meals. You can also check out the side effects of ginger tea. Ginger tea may also lead to stomach problems.

2. Leads To Anxiety Issues, Sleep Problems

Green tea has a fair amount of caffeine content, therefore, excessive intake of green tea can lead to nervousness, anxiety, abnormal heart beat etc. It tends to block the sleep-inducing chemicals in your brain and increase adrenaline production in your body. It can also deter the absorption of calcium, thus, affecting your bone health and increasing the risk of a disease called Osteoporosis, wherein your bones tend to become brittle. You should, then, limit your consumption of green tea to not more than 3-4 cups daily.

You can read more about other harmful effects of drinking tea

3. Iron-Absorption Issues

Drinking excess green tea makes your body less capable of absorbing iron, an essential nutrient. Its polyphenols bind with the iron and make it less available to your body. Additionally, drinking green tea between your meals does not have much effect on iron absorption, as stated by the National Cancer Institute. However, if you want to increase iron absorption in your body, you can do so by squeezing some lemon into your green tea.

4. May Lead To Glaucoma

Drinking excess green tea increases the amount of pressure build-up inside your eyes. The increase takes place within 30 minutes and lasts for up to 90 minutes. This condition is called Glaucoma, which is an eye related disorder that damages the optic nerve which carries information from your eyes to your brain.

Read: Best Time To Drink Green Tea

5. Causes High Blood Pressure

People suffering from high blood pressure problem should abstain from drinking green tea. The caffeine content present in green tea might intensify their blood pressure. However, this does not occur in people who regularly drink green tea and do not suffer from high blood pressure.

Read: Green Tea Benefits and Useful Information 

6. Causes Dehydration

Green tea, by nature, is a diuretic beverage, which means that it increases the production of urine in your body. This causes the body to lose more water. Hence, drinking undue amount of green tea can cause excessive urination which ultimately leads to dehydration and electrolyte imbalance in your body. It can also cause headache, fatigue etc.

7. May Increase The Risk Of Miscarriage

Green tea is packed with caffeine, and chemical compounds like catechins and tannins. Such substances, when taken in excess, get linked with pregnancy risks such as miscarriage etc. Caffeine intake can also affect a nursing child as it passes into the breast milk of the feeding mother. It is advisable to drink about 2 cups of green tea, if you are pregnant or breastfeeding. This much of green tea provides about 200 mg of caffeine, which is safe to consume. You can also check out the side effects of black tea. Black tea can also increase the risk of miscarriage.

When consumed in moderation, drinking tea can have numerous health benefits. Read here about the health benefits of drinking tea

Buying Green Tea

Overconsumption of green tea has all the aforementioned side effects. However, if you buy green tea and drink appropriate amounts of it daily, then you can enjoy all the benefits that green tea has to offer. Here are some trusted retailers that sell green tea:

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