FIELD: medicine. SUBSTANCE: invention refers to medicine, namely to pharmacology and pharmacy and concerns production of an antiglycating agent. Such agent is a pharmaceutical composition in a solid dosage form for oral administration, containing as an active ingredient sodium salt of diethyl ether 4-oxo-1,4-dihydropyrazolo[5,1-c]-1,2,4-triazin-3,8 -dicarboxylic acid monohydrate, with the following ratio of components, wt. %: sodium salt of diethyl ether of 4-oxo-1,4-dihydropyrazolo[5,1-c]-1,2,4-triazine-3,8-dicarboxylic acid monohydrate 95–97.0 %; Plasdone K-29/32 1–5 %; magnesium stearate not more than 1 %. EFFECT: composition provides an antiglycating effect by inhibiting effect on end glycation products of collagen.