General Dosage
10-50mg vanadyl sulfate daily; some studies used up to 100mg
Maximum dose: 1.8mg/day elemental vanadium (NIH UL); therapeutic supplement doses (25-100mg vanadyl sulfate) exceed this — use under medical supervision
Vanadium Dosage Guide
This content is for informational purposes only and does not constitute medical advice. Consult your healthcare provider before starting any supplement. Full disclaimer
Dosage Recommendations
General recommendation: 10-50mg vanadyl sulfate daily; some studies used up to 100mg
Timing: With meals to reduce GI side effects • Take with food for best absorption.
Dosage by Condition
| Condition | Recommended Dose | Evidence |
|---|---|---|
| Blood sugar support | 25-50mg vanadyl sulfate daily | Preliminary |
| Insulin sensitivity | 50-100mg vanadyl sulfate daily | Preliminary |
Upper limit: 1.8mg/day elemental vanadium (NIH UL); therapeutic supplement doses (25-100mg vanadyl sulfate) exceed this — use under medical supervision
Timing & Absorption
With meals to reduce GI side effects
Best taken with food for optimal absorption.
References
- Cohen N, Halberstam M, Shlimovich P, et al. (1995). Oral vanadyl sulfate improves hepatic and peripheral insulin sensitivity in patients with non-insulin-dependent diabetes mellitus. Journal of Clinical Investigation. DOI PubMed
- Halberstam M, Cohen N, Shlimovich P, Rossetti L, Shamoon H (1996). Oral vanadyl sulfate improves insulin sensitivity in NIDDM but not in obese nondiabetic subjects. Diabetes. DOI PubMed
- Thompson KH, Orvig C (2006). Vanadium in diabetes: 100 years from Phase 0 to Phase I. Journal of Inorganic Biochemistry. DOI PubMed