Is Niobium Toxic?

Niobium is a metal used in the manufacture of high temperature-bearing stainless steel alloys. It is especially useful in high pressure gas and water pipelines. There are concerns regarding its public health risks in terms of heavy metal toxicity.

Niobium Toxicity

• The health risks to humans have been suggested to be similar to heavy metals if niobium leaches into our drinking water. Although no comprehensive studies have been conducted in humans, studies have demonstrated niobium toxicity in laboratory animals. High levels of niobium were fatal to laboratory animals when repeatedly injected. However, this effect was not replicated when high levels of niobium salts were added to their diets. No cases of niobium poisoning have been reported in humans.

Niobium Dust

• Other than the manufacture of alloys, humans are unlikely to encounter niobium dust. However, niobium dust has been reported to cause eye and skin irritation. Once inhaled, it resides primarily in the lungs and can be absorbed into bones. No side effects have been reported since it doesn't react with human tissue.

Preventing Toxicity

• People concerned about the possible health risks associated with heavy metal toxicity can minimize the symptoms by taking antioxidants and mineral supplements since heavy metals displace other minerals in healthy tissue. Drinking filtered water will also reduce the levels of niobium ingested.