The composition of herbal origin in which the active substance is sylimarin, characterized by the fact that, apart from the active substance which in the composition can be present in isolated form or like a component of St. Mary thistle plant, also contains the following components that are in synergic relation with the active substance: Millefolii flos--yarrow flower Taraxaci radix--dandelion root Menthae piperitae folium--peppermint leaf Cardui mariae folium--St. Mary thistle leaf Helichrysi Menyanthes trifoliata folium--buckbean leaf.