Side Effects of Excess Green Tea Consumption

It is a standard perception that inexperienced tea is one of the healthiest drinks. Several research and analysis discuss its well being advantages. Thus, folks devour it with none regulation to reap a number of advantages. However, will we ever cease to assume of whether or not an extra of inexperienced tea consumption may need it’s unfavourable results too? Like every other meals and beverage, extra inexperienced tea consumption has potential unwanted effects. This article highlights a couple of of these unwanted effects.

Green tea comes from the leaves and buds of the Camellia sinensis plant. Different varieties of tea belong to the identical plant. However, the processing stage differentiates them. Since inexperienced tea is one of the least processed sorts of tea than its different variants, it imparts all of the goodness.

The preparation of inexperienced tea includes unoxidised leaves. Therefore, they include a number of vitamins which impart well being advantages. In addition, inexperienced tea accommodates antioxidants that profit our well being. Anti-oxidants are compounds that forestall oxidative stress to the cells. It, in flip, restricts the unconventional cell harm.

Green tea additionally accommodates a potent antioxidant known as EpiGalloCatechin Gallate (EGCG). It helps fight illnesses like Alzheimer’s, arthritis, coronary heart illness, most cancers, and weight problems. But, an age-old confirmed principle is that consumption of something in extra takes away all the advantages and results in a number of unwanted effects.

The newest analysis reveals that extra consumption of inexperienced tea could trigger hostile or unwanted effects. It leads to a number of well being issues and issues. For instance, extra inexperienced tea consumption could result in unwanted effects like anaemia, IBD, liver toxicity, and thyroid points.

Side Effects of Excess Green Tea

Although inexperienced tea imparts varied well being advantages, extra inexperienced tea consumption results in issues and hostile results. Therefore, it’s important to devour it carefully. In addition, some folks ought to keep away from inexperienced tea consumption. For instance, pregnant and lactating moms ought to chorus from consuming inexperienced tea and merchandise produced from its extracts. Furthermore, medical doctors could advise folks with hypertension to keep away from inexperienced tea beneath sure medicines.

1. Anaemia

Research proves that anaemia outcomes from iron deficiency. Low iron ranges in your blood could trigger iron deficiency, decreasing haemoglobin. Iron is critical to synthesise haemoglobin as a result of it’s the oxygen-carrying pigment in pink blood cells. These cells carry oxygen to different physique cells.

Green tea accommodates a pigment named epigallocatechin gallate (EGCG), which binds iron within the blood, decreasing iron content material. As a consequence, it prevents iron absorption, resulting in iron deficiency and decreasing your haemoglobin depend. Low haemoglobin ranges could end in breathlessness, fatigue, and weak spot.

2. Drug Interactions

Caffeine in inexperienced tea stimulates your nervous system. The stimulation makes you rejuvenated and contemporary. However, caffeine interacts with sure medicines. As a consequence, it results in hostile results or issues.

Usually, caffeine breaks down and will get eradicated out of your physique. However, research reveal that some medicines forestall their breakdown. Instead, they trigger the buildup of caffeine in your physique. It elevates the adrenalin ranges in your physique, which may probably shoot your blood strain and coronary heart charge. Such medicines embrace antibiotics, contraception medicine, and anaesthetic medicine.

Caffeine additionally prevents the motion of sure antipsychotic medicine like Clozapine, Metazolam, and Lithium content material medicine. As a consequence, it prevents absorption, leading to drug accumulation within the blood. As per analysis, such drug accumulation leads to clozapine toxicity and can even trigger lithium toxicity.

Vitamin Okay in inexperienced tea additionally interferes with the consequences of Warfarin, an anticoagulant or anti-blood-clotting drug. As a consequence, it may possibly provoke bleeding in sufferers with bleeding issues.

3. Triggers Inflammatory Bowel Diseases (IBD)

You ought to keep away from consuming inexperienced tea you probably have IBD. That is as a result of the EGCG binds with iron in your physique and restricts the inhibition of an enzyme named myeloperoxidase. The enzyme triggers irritation in inflammatory bowel illnesses. As a consequence, it causes irritation and different signs, together with abdomen ache and vomiting.

4. Harmful During Pregnancy

During being pregnant, extreme inexperienced tea consumption could affect each the mom and the foetus. It causes hypertension in moms and will increase the center charge. Both the situations are dangerous. Caffeine additionally will increase urination, leading to loss of your physique fluid. It causes dehydration. Blood strain could exert drive in your coronary heart and kidney, leading to issues. Blood strain may also trigger contractions within the uterus, leading to preterm supply.

Caffeine and tannins in inexperienced tea can even decrease the folic acid content material in your physique. Folic acid is important throughout being pregnant as a result of it prevents anaemia. Low folic acid results in low haemoglobin ranges. Furthermore, it causes dizziness and breathlessness. In addition, folic acid additionally prevents any modifications in DNA. It protects you from varied issues.

For instance, it prevents new child abnormalities like spina bifida, a mind illness. As per research, spina bifida is a congenital deformity, a situation by delivery. Folic acid additionally prevents the fusion of a new child’s spinal wire with the spine.

5. Low Potassium Levels

Potassium is a necessary factor for a number of capabilities in your physique. For instance, potassium impacts nerve perform, coronary heart rhythm, and muscle contraction. Unfortunately, extreme caffeine by means of inexperienced tea lowers potassium ranges as a result of caffeine has diuretic properties, flushing salt content material out of your physique.

As a consequence, it causes a potassium deficiency, which may show deadly in some ways. For instance, it causes muscular tissues weak spot, cramps, altered heartbeat, and even paralysis.

6. Liver Toxicity

Epigallocatechin gallate (EGCG), a pigment in inexperienced tea, imparts varied well being advantages. However, extra focus makes the liver launch enzymes to interrupt down or metabolise caffeine. It exerts a load on the liver and disturbs its clean functioning.

The caffeine content material harms the liver cells and leads to liver toxicity, which may trigger jaundice and urine discolouration. Symptoms of liver toxicity embrace headache, dizziness, and palpitations.

7. Affects Thyroid Function

A better focus of caffeine and catechins impairs thyroid perform. It blocks the absorption of thyroid hormones. An imbalance in thyroid hormones could end in nervousness, confusion, and irritability. It additionally impacts the absorption of nutritional vitamins, inflicting many issues like irregular weight acquire, weight reduction, and temperature sensitivity.

In addition, extra caffeine and catechins additionally have an effect on the absorption of important minerals. Furthermore, an imbalance in thyroid hormones throughout being pregnant could affect the expansion of the foetus.

8. Impacts Bone Strength

Flavonoids are important for bone progress. However, larger doses affect bone progress and density. In addition, the caffeine in inexperienced tea may prohibit calcium absorption, which ends up in low calcium ranges within the bone. Calcium is the central factor for bone well being.

Calcium deficiency impacts bone progress and energy, growing the chance of fractures and decreasing bone density. Therefore, you must take any tea extract dietary supplements beneath the supervision of medical doctors. It will assist you to keep away from the unwanted effects.

Moreover, the surplus flavonoids set off mutations. Mutations are everlasting modifications within the DNA or RNA, leading to illnesses or issues. Flavonoids in inexperienced tea additionally launch free radicals that induce cell harm. They kind the premise of inflammatory and degenerative illnesses like arthritis and osteoporosis.

9. Anxiety and Insomnia

Caffeine in inexperienced tea is a nervous system stimulant. Optimal doses decrease stress ranges and induce sleep. However, extra quantities could set off sleeplessness and nervousness, leading to restlessness and irritability.

10. Induces Bleeding

Again, caffeine in inexperienced tea has anti-clotting properties. Thus, it prevents clotting and initiates profuse bleeding. You will prominently observe this throughout harm or in surgical procedure.

Warfarin is an anticoagulant drug that stops stroke and cardiac arrest. Caffeine interferes with its impact. In addition, vitamin Okay in inexperienced tea can also be an anticoagulant.

11. Causes Heartburn

Heartburn is a standard symptom of a gastroesophageal illness (GERD), generally referred to as acidity. Green tea accommodates theophylline that enhances the acidic atmosphere in your abdomen. An irregular acidic atmosphere triggers the meals contents to return to the meals pipe, leading to acid reflux disease or heartburn. As per analysis, extreme inexperienced tea consumption, smoking, and weight problems set off heartburn.

Excess inexperienced tea consumption additionally induces Asymptomatic Erosive Oesophagitis. It is a worsened stage of heartburn. The frequency of this dysfunction is larger in individuals who drink inexperienced tea ceaselessly.

12. Stomach Disorders

Caffeine additionally has laxative properties. It is a gastrointestinal stimulant that enhances the meals pipe muscle contractions. That means it facilitates bowel actions. However, extra consumption could induce diarrhoea and stomach ache.

13. Low Blood Pressure

Caffeine has diuretic properties, which makes your physique remove salt, sodium and water. In addition, caffeine triggers the urinary bladder to induce the frequency of urination. It additionally drains water out of your blood and reduces the fluid stage.

As a consequence, it lowers your blood strain. Therefore, folks on diuretic treatment must be cautious whereas taking inexperienced tea. It could additional decrease your blood strain and end in dizziness, lightheadedness, fainting, vomiting, and weak spot.

14. May Cause Infertility in Men

In a 2018 research on the University of California-Irvine, researchers warn that extreme consumption of Green Tea could adversely have an effect on fertility. That is because of the flavonoids in inexperienced tea. However, these flavonoids are helpful to well being. But, an extra causes impaired sperm synthesis and sperm motility and reduces testosterone ranges.

Testosterone is the male reproductive hormone. In addition, caffeine impacts the DNA in sperm, affecting sperm viability and impacting copy.

15. Impacts Your Teeth

Regular consumption of inexperienced tea may trigger stains in your enamel. It is as a result of the tannins in inexperienced tea could seep into your enamel cells and impart discolouration or stains. Moreover, the acidic content material in espresso may also dissolve the enamel. Therefore, it aggravates tooth discolouration. Staining additionally causes discolouration of the pores and skin in your mouth.

16. May Cause Headaches

Some people may endure from complications after consuming inexperienced tea. That is as a result of it accommodates caffeine. An extra of caffeine could set off complications. Thus, folks with migraine ought to solely have it often.

Avoid consuming it day by day, particularly in case you endure from complications extra ceaselessly. Likewise, you shouldn’t devour it you probably have a caffeine sensitivity.

17. Vomiting

Excessive inexperienced tea consumption might also result in nausea and vomiting. It is because of the presence of tannins and the way in which protein binds in your intestines. Thus, the quantity of inexperienced tea you’ll be able to drink in a day must be average.

Quantity of Green Tea You Should Have Per Day?

Every meals or drink has some or different unwanted effects. Green tea is nothing totally different. Unfortunately, together with the helpful facet of inexperienced tea, unwanted effects additionally persist. However, it occurs whenever you over devour it. So you must devour it carefully. Anything beneath two cups per day is protected.

However, consuming greater than 3-4 cups of inexperienced tea per day could have hostile well being results. 

Another reality is that the unwanted effects are usually not confined solely to the dose. They are additionally associated to allergy or sensitivity. The finest resolution is to verify along with your medical doctors earlier than together with it in your common food regimen. The portions could range in keeping with your physique weight, underlying medicines, and allergy symptoms.


Green tea has a number of well being advantages. However, extreme consumption may hurt you. Although these unwanted effects may end up from some allergy symptoms, they’re nearly sure to happen with extra consumption. Therefore, it’s important to restrict your inexperienced tea consumption to average.

In addition, most of the unwanted effects of extra inexperienced tea consumption are because of caffeine. Hence, additionally it is important to control your caffeine consumption by means of different drinks and meals.

Lime juice, tulsi tea, ginger tea, and cinnamon tea are wonderful substitutes for inexperienced tea. Their dietary composition imparts medicinal properties. As a consequence, they profit your well being. However, average consumption of inexperienced tea is protected, and in your physician’s recommendation, you’ll be able to add it to your common food regimen and benefit from the well being advantages.

Frequently Asked Questions (FAQs)

Q. What occurs in case you drink an excessive amount of inexperienced tea?

A. While inexperienced tea is normally good for well being, it may possibly result in the next unwanted effects if taken in extra:

  • Anaemia
  • Inflammatory Bowel Syndrome
  • Low Potassium Levels
  • Liver Toxicity
  • Affect Thyroid Function
  • Impacts bone energy
  • Anxiety and Insomnia
  • Induces bleeding
  • Stomach issues

Q. What occurs if I drink 10 cups of inexperienced tea a day?

A.10 cups of inexperienced tea could be thought-about extra. Therefore it’d result in all such illnesses as enlisted above. Further, it might additionally induce:

  • Low Blood Pressure
  • Heartburn
  • Infertility in Men
  • Headaches
  • Vomiting

Therefore, you should take care to devour inexperienced tea in restricted quantities. One shouldn’t exceed greater than 3 cups a day. It is wholesome to drink one or two cups of inexperienced tea day by day.

Q. Does inexperienced tea have an effect on intervals?

A. No, inexperienced tea doesn’t have an effect on your intervals. While it is a wonderful approach to calm raging hormonal modifications, it can’t induce or delay intervals. However, it helps in boosting blood stream throughout menstruation and soothes interval cramps. 

Q. Who shouldn’t drink inexperienced tea?

A. Green Tea is normally thought-about good for well being. However, folks with a medical historical past of bleeding ought to keep away from inexperienced tea. That is as a result of inexperienced tea has a blood-thinning impact. In addition, it accommodates small quantities of caffeine, which may induce bleeding within the first place. Furthermore, pregnant girls also needs to keep away from consuming inexperienced tea.

Q. Is consuming an excessive amount of tea dangerous on your kidneys?

A. Tea usually accommodates oxalic acid, which causes a end result of waste within the kidneys. These could, in flip, result in kidney failure and different kidney-related illnesses. In addition, consuming greater than 5 cups a day can result in particular hostile results on the physique and even kidney stones.

Q. Does inexperienced tea make you bleed?

A. Yes, the caffeine current in inexperienced tea could make you bleed. It prevents clotting and initiates profuse bleeding. You will prominently observe this throughout harm or in surgical procedure. Warfarin is an anticoagulant drug that stops stroke and cardiac arrest. Caffeine interferes with its impact.

Q. Is inexperienced tea good for pores and skin?

A. Yes, normally inexperienced tea is taken into account appropriate for the pores and skin as a result of it accommodates anti-inflammatory properties that assist keep the sheen of the pores and skin. Moreover, inexperienced tea can also be the answer to a number of dermatological situations. In addition, inexperienced tea is wealthy in important antioxidants and vitamin C, which give anti-ageing properties to the pores and skin.

Q. Does inexperienced tea have an effect on fertility?

A. Yes, inexperienced tea may induce infertility in males. An extra of flavonoids in inexperienced tea causes impaired sperm synthesis, sperm motility and should lower testosterone ranges. On the opposite hand, in some research, it’s discovered to have an effect on sperm high quality positively. In addition, caffeine could have an effect on the DNA in sperm. The caffeine content material in inexperienced tea lays out the issue in conceiving for ladies. 

Q. Can inexperienced tea scale back stomach fats?

A. Some research have proven that inexperienced tea normally reduces physique fats, together with stomach fats. Therefore, consuming inexperienced tea in restricted quantities could be helpful throughout weight reduction. In addition, inexperienced tea helps enhance metabolism within the physique, which ends up in extra burning of energy and hinders fats accumulation.

Q. Is inexperienced tea good for PCOS?

A. Research reveals that inexperienced tea reduces testosterone ranges and insulin resistance in girls. It can successfully handle PCO cycles. Green tea additionally has antioxidants which additional assist with PCOS by decreasing the oxidative stress within the physique. Oxidative stress is the principle motive behind PCOS. 

Q. Is inexperienced tea good for females?

A. Yes, for ladies, inexperienced tea has been discovered exceptionally helpful. Studies affirm that girls who devour inexperienced tea scale back their probabilities of breast most cancers by 20-30%. In addition, it has helped in treating arteries and stopping ovarian most cancers. But one ought to verify the consumption of inexperienced tea whereas planning to conceive as it might trigger fertility points. 

Q. Is inexperienced tea dangerous for ovarian cysts?

A. No, it’s fairly the alternative. Green tea reduces the quantity of follicles and the quantity of cysts within the ovary. As a consequence, it helps enhance the general genital well being of females and is helpful for these with ovarian cysts. 

Q. Is inexperienced tea good for the thyroid?

A. While inexperienced tea doesn’t have many helpful properties as far as thyroid issues are involved, neither does it have any hostile results. Since it reduces the general toxicity within the physique and maintains a greater well being situation, it’s protected for folks with thyroid to devour. 

Download Healthifyme APP

Leave a Comment

Your email address will not be published. Required fields are marked *