Drug interactions
Copper + Vitamin c
Severity: Minor
Copper and Vitamin c: 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
High-dose ascorbic acid may reduce copper absorption and utilization, as shown mainly in animal and limited human data. Clinical copper deficiency is unlikely at usual doses with adequate intake.
What this interaction means in plain words
Copper and Vitamin c have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Copper belongs to Gastrointestinal Tract; Vitamin c belongs to Gastrointestinal Tract.
Why it happens
Ascorbic acid reduces cupric to cuprous copper and may interfere with copper binding and absorption, though the mechanism is not firmly established.
What to do
No action is needed at usual doses. Consider checking copper status if very high-dose vitamin C is taken long term, especially with other risk factors for copper deficiency.
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 Copper and Vitamin c, 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 Vitamin c
Other interactions of Copper
- Copper + Omadacycline Moderate
- Copper + Penicillamine Moderate
- Copper + Sarecycline Moderate
- Copper + Trientine Moderate
- Ascorbic acid + Copper Minor
- Baloxavir marboxil + Copper Minor
Frequently asked questions
Can I take Copper with Vitamin c?
MediHelp rates the interaction as minor. Copper and Vitamin c have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. High-dose ascorbic acid may reduce copper absorption and utilization, as shown mainly in animal and limited human data. Clinical copper deficiency is unlikely at usual doses with adequate intake.
How serious is the interaction between Copper and Vitamin c?
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 action is needed at usual doses. Consider checking copper status if very high-dose vitamin C is taken long term, especially with other risk factors for copper deficiency.
What other medicines interact with Vitamin c?
MediHelp also lists interactions of Vitamin c with, for example, Deferoxamine, Aluminum hydroxide, Dextroamphetamine transdermal. The full list is on the Vitamin c 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.
