Green tea side effects: 5 people who should avoid it

             Written by: Sneha Jajoo

17 March  2026

Green tea is often considered healthy, but it may not suit everyone. Certain people may experience side effects from its caffeine and plant compounds. Let's discuss 5 people who should avoid it.

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Green tea contains compounds that may reduce iron absorption in the body. People with anemia or low iron levels may need to limit it.

People With Iron Deficiency

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Green tea contains caffeine. High caffeine intake during pregnancy may affect the baby, so intake should be limited or discussed with a doctor.

Pregnant Or Breastfeeding Women

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Even though green tea has less caffeine than coffee, it can still cause anxiety, sleep problems, and rapid heartbeat, especially in people sensitive to caffeine.

People Sensitive To Caffeine

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Drinking green tea on an empty stomach may lead to nausea, acid reflux, and stomach irritation. This is linked to its tannin and caffeine content.

People With Stomach Issues

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Green tea may interact with some medications, including drugs for blood pressure or heart conditions. It’s best to check with a healthcare professional if you take regular medication.

People Taking Certain Medicines

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Green tea can be a healthy drink for many people but those with certain health conditions may need to limit or avoid it. Moderation and medical advice matter.

The Bottom Line

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