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Can I take Atorvastatin and Calci-d together?

Drug interaction guide

Taking calcium supplements alongside atorvastatin may slightly lower the amount of the medicine that stays in your blood. However, for most people, this does not significantly change how well the statin works to lower your cholesterol.

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Why this happens

Calcium carbonate (found in Calci-D) can slightly reduce the absorption of atorvastatin in the gut, and high calcium levels in the blood may slightly alter how the liver processes the statin.

You can continue taking both medicines. To ensure you get the full benefit of your statin, try to be consistent with when you take your supplements. If you are concerned, your doctor can monitor your cholesterol levels with a routine blood test to ensure the atorvastatin is still working effectively.

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Taking multiple medicines? Our Medicines Interaction Checker helps you check whether your prescriptions, over-the-counter medicines, and supplements are safe to take together. Simply search for your medicines to see potential interactions and what to do about them.

Disclaimer

This information is for general educational purposes only and should not be relied upon as a substitute for professional medical advice. Always consult your GP, pharmacist, or another qualified healthcare professional before making decisions about your medications. Individual circumstances may vary, and only a healthcare professional who knows your medical history can provide personalised guidance.

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Article history

The information on this page is written and peer reviewed by qualified clinicians.

  • 14 Mar 2026 | Originally published
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