Can You Take Calcium and Spirulina Together?

May affect absorption

The short answer

Spirulina contains significant minerals that may compete with supplemental calcium for absorption.

How to arrange timing

Consider separating spirulina and calcium by 2 hours.

Reference

Reference noted for this combination: NatMed Pro Spirulina Monograph

Important context

Whether supplements suit you together also depends on dose, product formulation, health conditions, and medication use. Ask a doctor or pharmacist first if you take medication, are pregnant or breastfeeding, or have a chronic condition.