Green Tea: What Are Its Advantages And Disadvantages?

Pros and Cons of Green Tea

Today while sipping on my morning cup of green tea, I was thinking of numerous health benefits that this hot green miraculous drink offers. Green tea is quite well known for its anti-inflammatory, anti-carcinogenic and anti-oxidant properties. Of course it is the healthiest beverage but problem arises when people overindulge and drink multiple cups of green tea a day in order to reap its benefits. They tend to forget that sometimes “too much of a good thing is bad for health”. So today’s post is all about it’s pros and cons.

Although researches have not shown yet – how much is too much? It’s just that you need to be cautious of certain conditions when it’s overconsumption is health hazard for you. I will discuss that but firstly I would like to divert your attention on number of health benefits that it provides as its advantages far outweighs its disadvantages.



Anti-oxidants are highly beneficial for our skin and green tea contains many. It has polyphenols like flavonoids, a powerful anti-oxidants. It can reduce the formation of free radicals (known to play a role in aging and causing all sorts of diseases) in the body.

You can either use it externally or drink it. In every way it makes your skin wrinkle free and radiant. If you are heading towards the beach then pack a packet of green tea alongwith your sunglasses and sunscreen as catechins present in it can actually make the skin more resistant to the effects of UV rays and prevent sunburn. We can say, it’s one of the best anti-aging product.

ALSO READ: Top Causes Of Wrinkles And Sagging Facial Skin


It is one of the best fat fighter. Studies have shown that drinking 4-5 cups of green tea a day increases the fat oxidation by 17%, indicating that it helps in losing weight. It helps in suppressing the appetite as it gives the feeling of fullness and inhibits the main enzymes involved in fat storage. It specifically melts the fat in the abdominal area.

EGCG (epigallocatechin gallate) present in it, increases the metabolism rate, and result in increasing the rate on which our body turns food into calories and helps in weight loss. But don’t depend completely on it as you need to follow a good exercise regime too to lose weight.

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Green Tea for Weight Loss


Oxidative damage contribute to the development of cancer and anti-oxidants can have a protective effect. We all know that green tea is an excellent source of powerful anti-oxidants. So it’s consumption is best to reduce the risk of various cancers (breast cancer, prostate cancer, colorectal cancer, lungs cancer etc.)


Drinking green tea on regular basis improves brain functioning and boosts memory too. Parkinson’s and Alzheimer’s disease are the common neurodegenerative diseases in aging human. Catechins compounds in it lowers the risk of developing such diseases. In this way, it protects the brain even in old age.

Natural chemical called theanine found in it can provide calming effect, soothes and relaxes your mind.


Green tea drinkers have upto 31% lower risk of cardiovascular diseases. It improves the blood flow in vessels and prevents clotting which is primary reason for heart attack.

It contains tannins which helps in reducing the bad cholesterol. Regular intake can improve the ratio of good cholesterol to bad cholesterol.


It is beneficial beverage for diabetics. Anti-oxidants of green tea slows down the absorption of glucose in blood stream.

Recent studies suggest that green tea catechins may reduce the amount of glucose that passes through the intestine and into the bloodstream. This will benefit diabetics by preventing blood-sugar spikes when tea is taken with meals.

ALSO READ: What Are The Risk Factors Of Diabetes?


Catechins, may inhibit the growth of bacteria and some viruses. It blocks the attachment of the bacteria associated with dental caries of the teeth. It’s consumption not only maintains the dental hygiene but also reduces the bad breath.

ALSO READ: Dental Care Tips For Clean White Healthy Teeth

Pros of Green Tea


  1. If your body is sensitive to caffeine than drink it cautiously. Although caffeine content of green tea is lower than that of its counterparts but it’s overconsumption can lead to variety of ailments like :
  • Heart palpitation
  • Convulsions
  • Insomnia
  • Loss of appetite
  • Nervousness
  • Restlessness
  • Irritation
  1. If you are pregnant, planning to conceive or breastfeeding than not more than 2 cups should be taken a day or it’s better to skip it altogether as EGCG in green tea can interfere with the child’s growth, development and create some complications like premature birth, low birth weight, or in some cases fatal death.
  2. It’s tannin content can decrease the iron and folic absorption in the body when taken in higher amounts which can lead to iron deficiency anemia. For lactating women, the caffeine in green tea can pass into breast milk and affect the nursing infant.
  3. Deficiency of calcium leads to osteoporosis. Drinking too much of green tea can increase the amount of calcium that is flushed out in the urine. It actually prohibits the calcium absorption in the bones and leads to the osteoporosis.
  4. Tannins present in green tea increases stomach acid which may cause stomach ache and constipation. People with peptic ulcer or acid reflux should avoid drinking green tea on an empty stomach. It is always advisable to have it after a meal or in between meals.
  5. Kidney stones are made of calcium combined with phosphate or oxalic acid. Green tea, being rich in oxalic acid damages kidney. Green tea extract supplements have been linked to several cases of Liver damage also.
  6. It interacts with certain medications and leads to certain problems. So always consult your healthcare professional if it is safe to consume it along with your medicines.
  7. Young children should avoid drinking this as it may not be suitable for their body or may interfere with growth hormones.
    Cons of Green Tea


Always try to choose high quality brand of green tea because some of the lower quality brands contain excessive levels of fluorides which is not good for health.

Dosage depends on the requirement or condition for which you are taking it. 3-4 cups a day are recommended to reap the health benefits. More than 6-7 cups of green tea a day – is possibly unsafe.

How many cups do you drink?