Can You Take Berberine and Copper Together?

May affect absorption

The short answer

Berberine commonly causes GI side effects (cramping, diarrhea), and Copper supplements can cause nausea. Taking them together may worsen stomach upset.

How to arrange timing

Separate by at least 2 hours to reduce GI stress.

Reference

Reference noted for this combination: Yin et al., 2012 — Berberine GI effects; NIH ODS — Copper fact sheet

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.