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Can I take Adcal d3 and Zinc together?

Drug interaction guide

Taking Adcal-D3 (calcium and vitamin D3) at the same time as zinc supplements can reduce the amount of zinc your body absorbs. This means you might not get the full benefit of your zinc supplement.

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Why this happens

Calcium and zinc are both minerals that use the same 'pathway' to get from your gut into your bloodstream. When taken together, the large amount of calcium in Adcal-D3 competes with the zinc, effectively 'crowding it out' and preventing it from being absorbed properly.

To ensure you absorb both minerals properly, you should space them out. Take your zinc supplement at least 2 hours before or 2 hours after your Adcal-D3 dose.

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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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