Calcium and Zinc have a moderate interaction. See interaction data, 5-regional dosage standards (FDA/EFSA/TGA/CNS/MHLW), and expert recommendations.
High doses of calcium may reduce zinc absorption.
Recommendation: Consider taking at different times.
High doses of calcium may reduce zinc absorption.
Tip: Consider taking at different times.
| Standard | calcium | zinc |
|---|---|---|
| US (FDA) | 1000 / 2500 mg (RDA/UL) | 11 / 40 mg (RDA/UL) |
| EU (EFSA) | 1000 / 2500 mg (RDA/UL) | 11 / 40 mg (RDA/UL) |
| AU (TGA) | 1000 / 2500 mg (RDA/UL) | 11 / 40 mg (RDA/UL) |
| CN (CNS) | 800 / 2000 mg (RDA/UL) | 12.5 / 40 mg (RDA/UL) |
| JP (MHLW) | 800 / 2300 mg (RDA/UL) | 10 / 40 mg (RDA/UL) |
Values shown as RDA (Recommended Dietary Allowance) / UL (Tolerable Upper Intake Level). Sources: NIH, FDA, EFSA, FSANZ, CNS, MHLW.
Use caution. High doses of calcium may reduce zinc absorption. Consider taking at different times.
Consider taking at different times. The severity of this interaction is considered medium. If you have concerns, consult your healthcare provider.
This page only checks one pair. Use NutriAudit to check your full supplement stack for interactions, duplicates, and safe dosages.
Not medical advice. Always consult a qualified healthcare professional for personal medical decisions.