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Green Tea Side Effects – Nausea and Vomiting

By Diane Hanson

I can say from experience that green tea makes some people sick. It’s not uncommon for a person drinking green tea to experience nausea and vomiting. While the healing properties are undeniable, many people are unaware of its side effects.

Green Tea Side Effects

Sleeplessness

Irregular heart beat

Dizziness
Diarrhea
Vomiting
Headache
Loss of appetite
Irritability
Heart Palpitations
Tremors
Frequent urination
Upset Stomach
Nausea
Skin rash

Can Drinking Green Tea Cause Nausea?

Yes, and here’s why. Green tea contains caffeine and polyphenols (tannins), both compounds are known to cause nausea. Studies indicate that high doses of tannins can cause irritation of the stomach lining and bowels, leading to stomach pains and nausea.

How to Reduce or Prevent Side Effects of Drinking Green Tea?

1. Opt for decaffeinated green tea. Caffeine, when consumed in large doses, causes stomach irritation and nausea. It also makes your stomach lining secrete more acid. The caffeine found in green tea can worsen the symptoms of esophageal reflux, and cause stomach upset. You may want to consider high quality Japanese green tea such as gyokuro. It contains higher levels of theanine, a compound reduces the stimulating effects of the caffeine.

2. Brew green tea half-strength. Add not more than 2 to 3 grams of leaves per cup. Full-strength green tea stimulates the production of gastric acid, resulting in indigestion.

3. Another way to reduce nausea when drinking green tea is to add a little milk to it. A 1984 study found that milk and sugar reduce gastric acid production. However, milk may inactivate some of the polyphenols, which are natural chemical agents with powerful antioxidant properties.

4. Drinking green tea on an empty stomach can make you nauseous. Enjoy green tea with some food, or after a meal. It also helps to add a thin slice of ginger to your cup of green tea. Ginger is well known remedy for nausea.

Green tea is good for you, but it isn’t for everyone. If you’ve heart disease, high blood pressure, an overactive thyroid, or a tendency to anxiety or panic attacks, speak to your physician. And, if you’re taking prescription medicine, it’s a good idea to check with your pharmacist before drinking green tea.

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