Drug interactions
Ferrous sulfate + Green tea
Severity: Minor
Ferrous sulfate and Green tea: minor interaction.
Last updated
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Summary
Tea polyphenols such as catechins and tannins bind non-heme iron and reduce its absorption. This may blunt the response to iron supplementation in people with iron deficiency.
What this interaction means in plain words
Ferrous sulfate and Green tea have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Ferrous sulfate belongs to Miscellaneous; Green tea belongs to Gastrointestinal Tract.
Why it happens
Polyphenols form insoluble complexes with iron in the gut lumen, reducing absorption.
What to do
Separate green tea from iron doses by at least 1 hour before and 2 hours after. Take iron with water or vitamin C-containing fluids.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Ferrous sulfate and Green tea, the additional notes, the evidence detail and the whole-prescription interaction checker.
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
Try Pro+ free for 14 days on the web. No card needed.
Other interactions of Ferrous sulfate
Other interactions of Green tea
- Adenosine + Green tea Moderate
- Benzphetamine + Green tea Moderate
- Bortezomib + Green tea Moderate
- Dextroamphetamine + Green tea Moderate
- Diethylpropion + Green tea Moderate
- Ephedrine + Green tea Moderate
Frequently asked questions
Can I take Ferrous sulfate with Green tea?
MediHelp rates the interaction as minor. Ferrous sulfate and Green tea have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Tea polyphenols such as catechins and tannins bind non-heme iron and reduce its absorption. This may blunt the response to iron supplementation in people with iron deficiency.
How serious is the interaction between Ferrous sulfate and Green tea?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Separate green tea from iron doses by at least 1 hour before and 2 hours after. Take iron with water or vitamin C-containing fluids.
What other medicines interact with Ferrous sulfate?
MediHelp also lists interactions of Ferrous sulfate with, for example, Ciprofloxacin, Dimercaprol, Acetohydroxamic acid. The full list is on the Ferrous sulfate page.
Full monographs, dosing and an interaction checker in the MediHelp app
Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.
