Drug interactions
Chitosan + Vitamin e
Severity: Minor
Chitosan and Vitamin e: 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
Chitosan binds dietary fat and lipophilic substances in the gut and may reduce absorption of fat-soluble vitamin E. Clinical impact is likely small unless both are used long term.
What this interaction means in plain words
Chitosan and Vitamin e have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Chitosan belongs to Gastrointestinal Tract; Vitamin e belongs to Gastrointestinal Tract.
Why it happens
Chitosan binds lipids in the gastrointestinal lumen, reducing absorption of fat-soluble vitamins.
What to do
Take vitamin E at least 2 hours apart from chitosan, ideally with a meal. Consider checking vitamin E status in long-term users.
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 Chitosan and Vitamin e, 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 7 days on the web. No card needed.
Other interactions of Vitamin e
- Betrixaban + Vitamin e Moderate
- Phenindione + Vitamin e Moderate
- Selumetinib + Vitamin e Moderate
- Vitamin e + Warfarin Moderate
- Alfalfa + Vitamin e Minor
- Antithrombin alfa + Vitamin e Minor
Other interactions of Chitosan
- Chitosan + Phenindione Moderate
- Chitosan + Heparin Minor
- Chitosan + Vitamin a Minor
Frequently asked questions
Can I take Chitosan with Vitamin e?
MediHelp rates the interaction as minor. Chitosan and Vitamin e have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Chitosan binds dietary fat and lipophilic substances in the gut and may reduce absorption of fat-soluble vitamin E. Clinical impact is likely small unless both are used long term.
How serious is the interaction between Chitosan and Vitamin e?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Take vitamin E at least 2 hours apart from chitosan, ideally with a meal. Consider checking vitamin E status in long-term users.
What other medicines interact with Vitamin e?
MediHelp also lists interactions of Vitamin e with, for example, Betrixaban, Phenindione, Selumetinib. The full list is on the Vitamin e 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.
