Popular Pros and Cons of Green Tea – Facts You Must Know

Pros-and cons-of-green-tea

Some of the pros and cons of green tea are not popularly known. This post will present the facts that you must know, so you can optimize green tea to the fullest, and be able to avoid its harmful effects. Continue reading and learn essential information about green tea.

What is Green Tea?

Green tea comes from the leaves of Camellia sinensis, which are unfermented and processed. Because it’s unfermented, it contains several essential substances. It’s most often produced in Japan and China. It’s composed of amino acids, minerals, proteins, cellulose, theanine, catechins, traces of lipids, and traces of elements. For the complete components of green tea, you can read it here.


Pros and Cons of Green Tea


1. Contains anti-oxidants that can help prevent cancer

Studies have proven that green tea has antioxidant effects. Antioxidants help reduce the oxidative process, which increases the risk of cancer in individuals. In a meta-analysis conducted by researches, they found out that women who drank green tea regularly had a decreased incidence of breast cancer.

In addition, some studies proved that there’s a lower risk of colorectal cancer and prostate cancer in persons drinking green tea. The percentage of contracting these types of cancers was reduced to about 20%.

2. Contains caffeine that hones cognitive abilities and physical abilities

Green tea has caffeine that is a brain stimulant. Reportedly, caffeine helps in improving cognitive functions and promotes mental alertness. These stem from the action of the caffeine in green tea that has a milder effect than the caffeine present in coffee.

Sometimes, the high concentration of caffeine in a cup of coffee can make you jittery and nervous, while the level of caffeine in a cup of green tea is just enough to cause the good effects on your brain.

Caffeine has also been proven to improve physical abilities. This is due to its triggering action on fatty acids. Fatty acids are the simplest forms of fat that can render fat into its useful form. Take note that stored fats can cause a variety of illnesses that include a myriad of cardiovascular diseases.

3. Contains catechin substances that help protect neurons

Reportedly, catechin substances act as protectors to the brain cells (neurons), and are; therefore, believed to help prevent Alzheimer’s disease, Parkinson’s disease, and dementia during old age. Thus, it can help prevent aging.

Clinical trials in animals have proven that catechins have this protective effect on the brain cells. Hence, it’s concluded that these vital substances may have the same effects too in humans. Catechins have also antibacterial effects. This property can help prevent bacterial infections in the mouth and the gastrointestinal tract.

4. Contains beta-blocking compounds preventing hypertension and cardiac diseases

Green tea has been reported by researchers to contain beta-blocking compounds, ace-inhibiting substances and diuretics. These are substances that help in lowering your risk of hypertension and cardiovascular ailments.

In fact, several commercially prepared drugs for hypertension contain one or more of these vital components. Since green tea is a natural product, it can be a safer alternative than commercially prepared therapeutic drugs. It would have fewer side effects.


1. Large amounts of caffeine can be detrimental to your health

Large amounts of caffeine can cause insomnia, agitation and restlessness. Therefore, don’t drink more than 3 glasses a day. You may want to limit your intake from one to two glasses per day. However, it is still a better option than coffee as it contains just the right amount of caffeine to keep your brain alert and focused.

2. Can increase the acidity of the stomach

Green tea can exacerbate hyperacidity. So, people with ulcers or stomach irritations must drink it when their stomachs are full. Normal persons may want to take this precaution too, to ascertain that hyperacidity doesn’t occur. Drink green tea only after you have eaten.


These are the pros and cons of green tea. You can use this information for your own advantage. Being aware of these crucial data can also help you advise your family and friends about what green tea can do for them.

Although, intensive research is still needed in confirming the earlier conclusions of the previous studies, you can still derive ample information to help you in maintaining your good health and physical fitness.


Hello everyone! I’m glad to have you here. I’m a medical technologist by profession. My second love is writing. So, I’m focusing on providing content to help other people with their health problems. I hope I can be of help to you.

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