Trace element essential to life.
RDA – none known. Has a vital relationship with Vitamin B12, a deficiency of which causes pernicious anaemia.
Deficiency. Anaemia, bowel disorders, nervousness, poor muscle tone.
Sources. Meats, liver, kidneys, eggs.
A metallic element and a constituent of vitamin B12.
A radioactive form of cobalt is used in radiotherapy.
n. a metallic element. The artificial radioisotope cobalt-60, or radiocobalt, is a powerful emitter of gamma radiation and is used in the radiation treatment of cancer (see radiotherapy; teletherapy). Cobalt itself forms part of the *vitamin B12 molecule. Symbol: Co.