Mineral
Vanadium
Also known as: Vanadium Amino Acid Chelate, Vanadyl Sulfate, Vanadium Picolinate, VO4
Vanadium is a trace mineral that may support insulin sensitivity and glucose metabolism, though human evidence remains preliminary. It is often included in multivitamins at very low doses with limited clinical validation in humans.
Primary uses
- Glucose metabolism support
- Insulin sensitivity
- Blood sugar regulation
How it works
- May enhance insulin-stimulated glucose uptake in muscle and adipose tissue
- Potential tyrosine kinase inhibition affecting insulin signaling pathways
- May activate glucose transporter translocation
Dosage
- Typical range
- 10-30 mcg daily (multivitamin form); research doses 25-150 mg daily
- Timing
- With meals
- With food
- Recommended—may enhance absorption and reduce GI upset
- Duration
- Long-term safety and efficacy beyond 8-12 weeks not well-established
- Special populations
- Pregnant/nursing women should avoid; diabetics should consult physician before supplementing due to potential additive insulin effects
Forms
- Vanadium Amino Acid Chelate· 70/100
- Vanadyl Sulfate· 70/100
- Vanadium Picolinate· 70/100
- Vanadium Citrate· 70/100
Safety
Common side effects
- GI upset at higher doses
- Nausea
- Abdominal discomfort
- Diarrhea (with high-dose supplementation)
Contraindications
- Pregnancy and lactation
- Renal impairment (potential accumulation)
- Diabetes (risk of hypoglycemia if combined with medications)
- Thyroid disorders (vanadium may affect thyroid function)
Evidence notes
Most human evidence comes from small, short-term studies with mixed results. Animal studies show promise for glucose control, but clinical efficacy in humans at typical supplemental doses is not well-established. Lacks large-scale RCT support in humans.
Grade C: Mostly observational or small trials; mechanism is plausible but unproven at scale.
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