ABSTRACT
To evaluate the efficiency of iodcasein in prophylaxis of iodine-deficient states in servicemen the following parameters were studied: iodine sufficiency determined by ioduria median; thyroid volume measured on the base of US data; functional state of hypothalamo-pituitary-thyroid system evaluated by blood level of thyroid hormone and free thyroxin; physical performance assessed by veloergometric test, auto-and-verbal memory and attention change-over. Iodine deficiency was initially detected in 88.9% (main group) and in 94.4% (control group). Ioduria median corresponded to iodine deficit of middle severity in both groups. After the initial examination the persons from the main group were given iodized bread during 9 months. The monitoring results have confirmed the efficiency of iodine prophylaxis with the use iodcasein.