Cobalt is a naturally occurring element in the earth’s crust. It is a very small part of our environment and very small amounts are needed for many animals and humans to stay healthy.
Cobalt poisoning can occur when you are exposed to large amounts of cobalt. There are three basic ways that cobalt can cause poisoning. You can swallow too much of it, breathe too much into your lungs, or have it come in constant contact with your skin.
Cobalt
Cobalt is a component of vitamin B12, an essential vitamin.
Cobalt may also be found in:
Note: This list may not be all-inclusive.