Lioprime stimulates the exchange and absorption of oxygen by the tissues. It is produced by the follicular cells of the thyroid gland under the control of TSH (thyroid stimulating hormone). Free triiodothyronine is the active part of total T3, it is 0.2-0.5%. Increases heat production and oxygen consumption by all body tissues with the exception of brain tissue, spleen and testicles. Stimulates the synthesis of vitamin A in the liver. Reduces the concentration of cholesterol and triglycerides in the blood, accelerates the metabolism of protein. Increases calcium excretion with urine, activates bone tissue metabolism, but to a greater extent bone resorption. It has a positive chrono-and nonontropic effect on the heart. Stimulates the reticular formation and cortical processes in the central nervous system. Women have a lower T3 level than men on average by 5-10%. Seasonal variations are characteristic of the free T3 hormone: The maximum level of free T3 falls on the period from September to February. minimum: for the summer period.