FIELD: medicine, phytotherapy, pharmacology. SUBSTANCE: method involves addition of dry or aqueous, or spirituous, or oily, or aqueous-spirituous or spirituous-oily extract, or liquid or dry juice of plants in the amount 0.01-10.0% of active substance mass (as measured for total sum of antioxidants) to drug showing antioxidant activity. Drug with enhanced activity has at least one active substance and active addition. Drug has dry or aqueous, or spirituous, or oily, or aqueous-spirituous, or spirituous-oily extract, or liquid or dry juice of plants showing antioxidant activity taken in the amount corresponding to 0.01-10.0 mas. p. (as measured for sum of antioxidants) per 100 mas. p. of active substance as the active addition. EFFECT: broadened spectrum of agent with enhanced activity. 16 cl, 14 ex
