A trace element is a small mineral nutrient necessary for the body provided it is provided in small quantities. If ingested in too large amounts, it can be toxic. There are essential trace elements for which a deficiency or an excess can be dangerous for the organism.

Characteristics of trace elements:

Mineral salts essential in very small quantities to the body Food sources vary depending on the trace element in question Too little or too much can cause serious problems and be fatal We differentiate essential trace elements from non-essential