Can I take Crestor and Magnesium glycinate together?
Drug interaction guide
Originally published 12 May 2026
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Taking magnesium supplements at the same time as Crestor (rosuvastatin) can lower the amount of medicine your body absorbs. This means your cholesterol treatment might not work as well as it should.
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Why this happens
Magnesium can bind to the rosuvastatin in your stomach or change the acidity levels, which prevents the medication from being fully absorbed into your bloodstream.
What you should do
Back to contentsYou do not need to stop taking either, but you must space them out. Take your Crestor at least 2 hours before or 2 hours after taking your magnesium supplement.
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Using other medicines
Back to contentsTaking 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.
12 May 2026 | Originally published
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