glycosides, flavonoids, iridoids, anthocyanins, coumarins, vitamin C, carotene, bitterness, saponins, essential and fatty oils, trace elements: copper, manganese, zinc, boron, silver, manganese, molybdenum, iron, chromium, nickelThe biological action of Euphrasia: anti-inflammatory, anti-allergic, astringent (especially with regard to the mucosa and age konjuktivy), reduces intraocular pressure, improves visual function, etc.
