Vanadium Cautions
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General warnings and precautions
In general, high level vanadium supplements should not be taken by anyone, as they could cause some adverse health effects.
Toxic Levels of Vanadium
Vanadium is toxic if blood levels are higher than 2-50mg per ml of blood.
Vanadium dust that is inhaled is more toxic than orally ingested vanadium supplements.
Vanadium is toxic if blood levels are higher than 2-50mg per ml of blood
Overdosage and Toxicity Symptoms
Vanadium dust inhalation causes the following symptoms:
- Asthma-like symptoms
- Bronchial irritation
- Nose bleeds
- Wheezing
Vanadium supplements higher than the tolerable upper limit (more than 2.5mg a day) cause the following symptoms:
- Bipolar disorder
- Depression
- Diarrhoea
- Fatigue and lethargy
- Green tongue
- Nausea
- Neurosis
- Stomach cramps
- Vomiting
People experiencing any of the above toxicity symptoms should discontinue their vanadium supplements and seek medical advice. Overdosage and toxicity is more likely to occur from taking too many supplements, whereas dietary intake of vanadium is highly unlikely to cause overdosage.