Supplement Scholar
Mineral

Vanadyl Sulfate

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Vanadyl Sulfate. Insulin-mimetic trace element.

How it works. Inhibits PTP1B; insulin receptor potentiation.

What the research supports. 1 graded claims. Strongest: May improve insulin sensitivity (moderate).

How much to take. Typical dose: 7.5–100 mg.

Side effects and interactions. 1 medication interaction listed. No serious side effects listed at normal doses.

Stacking. Pairs well with A high-quality multivitamin, Omega-3 (EPA/DHA).

Common forms. Available as Chelated form (glycinate, bisglycinate, citrate, malate), Inorganic salt (oxide, sulfate, chloride), Liquid ionic solution, Topical or transdermal preparation.

Key studies. 8 studies cited. The strongest are listed with links to PubMed.

Community. Experiences from people who have tried Vanadyl Sulfate. Anecdotes are not medical advice.

Vanadyl Sulfate. Insulin-mimetic trace element.

Molecular structureO5SV · 163.01 g/mol

What it is

Insulin-mimetic trace element.

Food sources

Whole foods (leafy greens, legumes, nuts, seeds, seafood, animal proteins)Fortified foods such as cereals, breads, plant milks, and table saltMineral supplements as chelates, citrates, glycinates, or inorganic salts

How it works

Inhibits PTP1B; insulin receptor potentiation.

Pathways

  • Inhibits PTP1B
  • insulin receptor potentiation

Effects

  • +May improve insulin sensitivity supports

What the research supports

May improve insulin sensitivitymoderate

Strong: consistent results across large trials or meta-analyses. Moderate: several trials, mostly positive. Limited: small or mixed studies. Preclinical: animal or cell research only.

Typical dose
7.5–100 mg
TimingConsistent daily timing recommended; split larger doses if GI tolerance is a concern.
With foodEither with or without food.
Best formMost evidence is based on the chelated form (glycinate, bisglycinate, citrate, malate) form.
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Side effects & interactions

Common side effects

  • GI upset
  • Renal concerns

Medication interactions

Prescription medications (general)minor

Always disclose Vanadyl Sulfate use to your prescriber — additive, antagonistic, or pharmacokinetic interactions are possible.

Check any supplement–medication combination with your pharmacist before starting.

Combines with

Pairs well

  • A high-quality multivitaminCovers micronutrient cofactors that support most supplement pathways.
  • Omega-3 (EPA/DHA)Foundational anti-inflammatory support that complements most regimens.

Common forms

  • Chelated form (glycinate, bisglycinate, citrate, malate)
  • Inorganic salt (oxide, sulfate, chloride)
  • Liquid ionic solution
  • Topical or transdermal preparation

Key studies

8 studies cited in total.

PubMed: Vanadyl Sulfate — May improve insulin sensitivity ↗
Systematic review · PubMed (NLM) · 2026

Opens current human and preclinical literature matching Vanadyl Sulfate and "May improve insulin sensitivity". Filter by RCT, meta-analysis, or year on the results page.

PubMed: Vanadyl Sulfate — randomized controlled trial ↗
Systematic review · PubMed (NLM) · 2026

Opens current human and preclinical literature matching Vanadyl Sulfate and "randomized controlled trial". Filter by RCT, meta-analysis, or year on the results page.

PubMed: Vanadyl Sulfate — meta-analysis ↗
Systematic review · PubMed (NLM) · 2026

Opens current human and preclinical literature matching Vanadyl Sulfate and "meta-analysis". Filter by RCT, meta-analysis, or year on the results page.

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