Cobalt stimulates process of hematogenesis, participates in synthesis of vitamin B12 with gut organisms, forms B12 dependable ferments, is an activator of some fermentative processes.

Daily need in cobalt is 40-70 mkg. It is accumulated in blood, spleen, bone tissue, ovaries, hypophysis, liver.

It is contained in milk, bread and bread and flour products, liver, vegetables, beans.