Manganese

Periodic table entry for manganese that include the atomic number, abbreviation and mass
CAS Number: various

Manganese is an essential nutrient that we get mainly from food. It is normal and healthy to have some manganese in your body. Manganese is also a metal used in many industries and products. You might be exposed to higher levels of manganese through jobs that involve working with metals, such as welding.

Fact Sheet

Manganese is found in:

  • Certain foods, such as nuts, grains, beans, and leafy green vegetables.
  • Some drinking water sources.
  • Certain metal alloys, such as steel.
  • Some welding rods.
  • Certain chemicals used in agriculture to kill fungus.

Manganese is an essential nutrient

  • Some manganese is needed to support many vital processes in the body, such as building bones and healing wounds.

Possible health concerns of too much manganese:

  • May be associated with learning and behavior problems in children.
  • Can harm memory, thinking, mood, coordination, and balance in adults.

Possible ways to avoid exposure to too much manganese:

  • Eat a well-balanced diet with enough iron, which can help you maintain a healthy level of manganese.
  • If you do any welding or metalworking, or work with manganese in other ways:
    • Be sure that your work area is well ventilated, and use proper protective equipment.
    • Follow other safe work practices, including washing hands frequently, keeping work dust out of your home, and washing work clothes separately.
    • Keep children away from welding fumes and other metal vapors and dusts.

For More Information: 

Biomonitoring California Information

Documents, Presentations, and Publications: 

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