Green tea side effects & health benefits

Tea side effects

There are lots of articles that highlight the benefits of tea and only a few are there which elaborates its negative effects or side effects on the body. In this article, we are going to discuss green tea side effects and its health benefits based on the literature or studies done by researchers.

Tea evolved as a beverage from the medicinal drink in the past 2000 years. A cup of tea is not only the source of health but it’s also a medium to connect socially with other people. Tea always intrigued the scientific community on its widespread usage and deep integration with the culture around the world. While most research is performed in vitro condition (lab conditions) or in vivo using animal models. The physiological effects of green tea are mainly because of compounds like polyphenols, caffeine, carbohydrates, vitamins, amino acids, and purine alkaloids. All these compounds are beneficial for health but there is always an appropriate amount. The main compounds of green tea are (1) Polyphenols, Caffeine, and other metals like aluminum.

Green tea health benefits due to Polyphenols and Caffeine

1. Tea helps in reducing the blood lipid

Green tea or tea helps in the reduction of blood cholesterol and lipids thus strengthens the heart and make the s body more active. therefore drinking tea may help in providing a good healthy heart.

2. Antimicrobial properties of green tea

Tea secondary metabolites are antimicrobial in nature. Hence helps in fighting against many microbial diseases. It at least gives a certain amount of relief when consumed.

3. Rich antioxidant activity of tea

Of course, everybody is very familiar with the fact of its antioxidant nature. Tea consumption helps in minimizing the free radical activity of the body thus acts as an antioxidant.

4. Anticancerogenic property of tea

Again tea contains many secondary metabolites that act as a DNA protectant. It helps in controlling the free radicals in the body and unwanted DNA damage.

5. Drinking tea enhances digestion

green tea helps in solving the digestion problem. It is also advisable by some dieticians that drinking jasmine green tea before bed helps in digestion and thus gives a relaxing sleep.

6. Tea helps in weight loss

Secondary metabolite that is catechins helps in burning of extra cholesterol and fat results in weight reduction.

7. Protecting skin damage

The components present in the tea, like EGCG and catechins, are also helped in protecting the skin. These compounds help in breaking the free radicals present in the cell thus protects from cell damage and skin abnormalities.

8. Reduce the risk of Alzheimer’s and dementia

Caffeine present in green tea helps in reducing neurological disorders like Alzheimer’s and dementia.

9. Reduce Stroke and Type 2 diabetes

Caffeine present in green tea helps in reducing stroke risk and also controls type 2 diabetes.

4. Instant energy

Green tea acts as an energy booster. The caffeine in the green tea provides instant energy therefore having green tea helps in relieving the tiredness.

Green tea side effects due to Polyphenols and EGCG

Although compounds like Polyphenols and EGCG are good for the body if taken in a controlled amount. Excessive drinking of green tea causes some serious side effects due to the presence of Polyphenol (Catechin), Epigallocatechin-3-gallate (EGCG). Especially for people suffering from anemia, heart diseases, and indigestion problems. Following are the 11 main side effects of taking tea in excess
1. Hinders iron bioavailability2. DNA abnormality due to proper folate function
3. Disturbs RBC formation because of improper folate function
4. Causes Anaemia
5. Intestinal gas
6. Nausea
7. Heartburn
8. Stomach ache
9. Abdominal pain
10. Dizziness
11. Muscle pain

Green tea side effects due to caffeine

Caffeine is one of the main ingredients of green tea which has both a good and bad side effect. Although the normal amount helps in keeping body energetic and stress-free. But the excess amount of caffeine results in insomnia, restlessness, and other types of problems. Following are in short are the health benefits and side effects of caffeine

1. Sleep deprivation
2. Affect the nervous system
3. Restlessness
4. Vomiting
5. Epigastric Pain
6. Tremors
7. Palpitations
8. Headache
9. Diarrhea
10. Tachycardia

Metals ( Arsenic, cobalt, nickel, etc) Side Effects

Side effects: Dental fluorosis; Due to arsenic increased carcinogenic risk.

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