[Copper and manganese metabolism during the administration of therapeutic doses of iron].

Examination of normal men and women with the aid of emission spectral analysis has shown that high muscular training led to the intensification of the retention of iron additionally administered to the body. This indicates concealed deficiency of this element in the body. Administration of therapeutic doses of iron essentially raised copper and manganese excretion from the body. As the iron dose was raised, copper and manganese elimination via the gastrointestinal tract progressed.