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Drug interactions

Orlistat + Vitamin e

Severity: Minor

Orlistat 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

Orlistat reduces dietary fat absorption and with it the absorption of fat-soluble vitamins, including vitamin E. Long-term use may lower vitamin E levels.

What this interaction means in plain words

Orlistat 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.

Orlistat belongs to Miscellaneous; Vitamin e belongs to Gastrointestinal Tract.

Evidence level: High

Why it happens

Inhibition of gastrointestinal lipase reduces absorption of fat-soluble vitamins.

What to do

Take a multivitamin containing vitamin E at least 2 hours before or after orlistat, such as at bedtime. Monitor nutritional status during long-term therapy.

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 Orlistat with Vitamin e?

MediHelp rates the interaction as minor. Orlistat 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. Orlistat reduces dietary fat absorption and with it the absorption of fat-soluble vitamins, including vitamin E. Long-term use may lower vitamin E levels.

How serious is the interaction between Orlistat 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 a multivitamin containing vitamin E at least 2 hours before or after orlistat, such as at bedtime. Monitor nutritional status during long-term therapy.

What other medicines interact with Orlistat?

MediHelp also lists interactions of Orlistat with, for example, Cyclosporine, Cyclosporin, Triheptanoin. The full list is on the Orlistat page.

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