Written by N. Lothungbeni Humtsoe | Updated : August 7, 2025 10:01 PM IST
People who have certain health issues such as Irritable Bowel Syndrome (IBS), or diarrhoea may find their symptom exacerbate after drinking green tea. Experts suggest that the strong extract of green tea can also raise eye pressure among individuals with glaucoma and also worsen liver disease.
Green tea should not be given to children, due to high caffeine content. This natural drink can overstimulate their nervous system, and also block the absorbtion of key nutrients such as protein and fats.
Individuals sensitive to caffeine must avoid green tea, as even a small quantity of the substance can trigger rapid heartbeat, restlessness, irritability, or shakiness.
People who are diagnosed with low iron and anaemia must avoid green tea to prevent blockage of body's ability to absorb non-heme iron.
Excess consuming of green tea during pregnancy and breadtfeeding can lead to miscarriage or even hinder baby's growth development, due to high caffeine content.
Green tea increases stomach acid due to its natural compound called tannins. This production can lead to bloating, discomfort, constipation etc. Hence, people with sensitive stomach must avoid green tea.
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