Can You Take Calcium and Methylcellulose Together?

May affect absorption

The short answer

Methylcellulose forms a viscous gel in the GI tract that can trap calcium ions, reducing calcium absorption when taken together.

How to arrange timing

Separate methylcellulose and calcium supplements by at least 2 hours for optimal absorption.

Reference

Reference noted for this combination: NIH ODS; NatMed Pro Fiber Monograph; Bosscher D et al., Eur J Nutr 2003

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.