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Drug interactions

Cinnamon + Garlic

Severity: Minor

Cinnamon and Garlic: 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

Cinnamon contains coumarin, especially the cassia type, and garlic may inhibit platelets. Any additive effect on bleeding is theoretical and no clinical interaction has been documented.

What this interaction means in plain words

Cinnamon and Garlic have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.

Evidence level: Low

Why it happens

Theoretical additive effects on hemostasis; the mechanism is not established.

What to do

No specific action is needed at dietary amounts. Monitor for bleeding if supplements are combined with anticoagulants.

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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Cinnamon with Garlic?

MediHelp rates the interaction as minor. Cinnamon and Garlic have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Cinnamon contains coumarin, especially the cassia type, and garlic may inhibit platelets. Any additive effect on bleeding is theoretical and no clinical interaction has been documented.

How serious is the interaction between Cinnamon and Garlic?

MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No specific action is needed at dietary amounts. Monitor for bleeding if supplements are combined with anticoagulants.

What other medicines interact with Garlic?

MediHelp also lists interactions of Garlic with, for example, Saquinavir, Aceclofenac, Acemetacin. The full list is on the Garlic page.

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