← All nutrients

Vanadium

vuh-NAY-dee-um

Mineral

A trace metal that mimics insulin's action in cells and may help regulate blood sugar, though its necessity in human diets is still being studied.

Vanadium is like a duplicate key for insulin's lock — it can partially activate the same cellular pathways that insulin uses to help cells absorb glucose, essentially mimicking insulin's job.

What it does in the body

  • Insulin-mimetic activity (glucose metabolism)
  • Protein tyrosine phosphatase inhibition
  • Potential role in bone metabolism
  • Potential role in lipid metabolism
  • Cellular signaling modulation

How much you need (Daily Value)

GroupRecommendedSource
Adult maleNo RDA; estimated dietary intake 6-18 mcg/dayEstimated
Adult femaleNo RDA; estimated dietary intake 6-18 mcg/dayEstimated
PregnancyNo RDA established; avoid supplementsN/A
ChildrenNo RDA establishedN/A
Older adultsNo RDA establishedN/A

Richest food sources

FoodAmountWhere
Mushrooms50-100 mcg per 100gglobal
Shellfish30-40 mcg per 100gcoastal regions
Black pepper987 mcg per 100gSouth Asia
Parsley80 mcg per 100gMediterranean/global
Dill weed431 mcg per 100gEurope/Middle East
Beer1-30 mcg per 100mlglobal
Whole grains5-30 mcg per 100gglobal
Soybean oil40 mcg per 100mlglobal

If you don't get enough

Mild: Not clearly defined in humans

Moderate: Animal studies suggest impaired growth, reproductive, and lipid metabolism effects

Severe: Not documented in humans; vanadium deficiency has not been convincingly demonstrated in free-living populations

Time to onset: Not established in humans.

Too much

Upper limit: 1.8 mg/day (adults, based on limited data from IOM)

GI distress (nausea, diarrhea, green tongue), kidney toxicity, potential reproductive toxicity. Occupational inhalation: bronchitis, asthma-like symptoms.

How well you absorb it

1-5% from diet (very poorly absorbed)

Helped by: Ascorbic acid (reduces vanadate to more absorbable vanadyl), Chelating agents

Hindered by: Iron (competes for transport), Chromium (competes for transferrin), EDTA, Aluminum hydroxide

Cooking & storage

Vanadium is heat-stable and not significantly lost during cooking. Content in food depends primarily on soil vanadium content and bioconcentration by the plant/animal.

Did you know. Vanadium essentiality in humans remains unproven despite decades of research. Average dietary intake (6-18 mcg/day) is far below levels shown to affect glucose metabolism in clinical trials (50-100 mg/day), raising questions about its role as a nutrient versus pharmacological agent.

Educational reference only. Nutrient needs vary with age, sex, health, and medication. Not medical or dietary advice. See our full disclaimer.
Track your Vanadium — and 74 other nutrients — in the app.

Nutrisize Health totals every nutrient from what you actually eat, against targets set for your age and sex, and flags what's short — across 4,995 foods, on your device.

Download on the App Store Get it on Google Play

Evidence grades: A — meta-analyses / large trials; B — cohort studies & guidelines; C — expert consensus. Links open in a new tab.

CDietary Reference Intakes - Vanadium — IOM, 2001
CVanadium in Diabetes Treatment — Journal of Inorganic Biochemistry, 2018