Can You Take Calcium and Vanadium Together?

Dose or timing may matter

The short answer

Vanadium can be nephrotoxic at supplemental doses, while calcium increases renal excretory load. The combination adds multiple stressors to kidney function.

How to arrange timing

Keep vanadium doses low (under 1 mg/day) and calcium within recommended ranges. Monitor kidney function with periodic blood tests.

Reference

Reference noted for this combination: Domingo JL. Mol Cell Biochem. 2002;236(1-2):147-154; Curhan GC et al. N Engl J Med. 1993;328(12):833-838

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.