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the claim

Drinking tea immediately after a meal has negative health effects

the verdict
SUPPORTED
the evidence backs this
Recorded sources
4 sources for · 0 against

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Is it true that drinking tea immediately after a meal has negative health effects?

Yes. Drinking tea immediately after or during a meal negatively impacts health by significantly reducing dietary iron absorption due to polyphenol and tannin binding, which increases the risk of iron deficiency anemia.

Verdict: SUPPORTED · 4 sources for, 0 against · Last checked

The analysis

Multiple clinical and observational studies demonstrate that the polyphenols and tannins present in tea bind to iron when consumed with food, severely inhibiting iron bioavailability and contributing to iron deficiency anemia over time. No provided papers refute this finding.

Evidence for · 4
Tea Consumption Reduces Iron Bioavailability from NaFeEDTA in Nonanemic Women and Women with Iron Deficiency Anemia: Stable Iron Isotope Studies in Morocco.
2021
Tea consumption with a meal significantly reduced iron absorption by over 85% in both nonanemic and IDA women due to polyphenol content.
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Lazrak, M., Kari, K. E., Stoffel, N. U., Elammari, L., Al-Jawaldeh, A., Loechl, C., Yahyane, A., Barkat, A., Zimmermann, M., & Aguenaou, H. (2021). Tea Consumption Reduces Iron Bioavailability from NaFeEDTA in Nonanemic Women and Women with Iron Deficiency Anemia: Stable Iron Isotope Studies in Morocco.. doi.org. https://doi.org/10.1093/jn/nxab159

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More for · 3
A Mini Review on The Relationship Between Coffee And Tea Consumption And Iron Absorption in The Gut – Iron Deficiency Anemia
2023
Consuming black tea or coffee with meals increases the risk of iron deficiency anemia by inhibiting iron absorption in the gut via polyphenols.
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Gunec, C. B. (2023). A Mini Review on The Relationship Between Coffee And Tea Consumption And Iron Absorption in The Gut – Iron Deficiency Anemia. doi.org. https://doi.org/10.47363/jjcmr/2023(3)145

The Relationship of Tea Consumption Habits with Incidences of Anemia in Adolescent Girls at Pekanbaru City
2024
Drinking tea at the same time as eating was significantly associated with the incidence of anemia among adolescent girls.
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Paramita, I. S., Atasasih, H., & Afifah, R. (2024). The Relationship of Tea Consumption Habits with Incidences of Anemia in Adolescent Girls at Pekanbaru City. doi.org. https://doi.org/10.25311/keskom.vol10.iss2.1883

Association Between Tea and Coffee Consumption and Symptoms of Iron Deficiency Among University Students
2023
People who consume tea or coffee with meals are at higher risk of developing dietary iron deficiency because chelates hinder iron absorption from food.
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Jaffar, H. M., Rizwan, B., Naseem, A. N., Asghar, U., Ghalib, Z., Tariq, I., Najeeb, G. e. R., Arshad, T., Ahmed, A., Munir, M., & Azhar, A. (2023). Association Between Tea and Coffee Consumption and Symptoms of Iron Deficiency Among University Students. doi.org. https://doi.org/10.54393/pbmj.v6i02.771

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What does the evidence say?

Multiple clinical and observational studies demonstrate that the polyphenols and tannins present in tea bind to iron when consumed with food, severely inhibiting iron bioavailability and contributing to iron deficiency anemia over time. No provided papers refute this finding.

Receipt History
first checked31 Jul 2026
judged → SUPPORTED · 8531 Jul 2026
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