Bionorica Sinupret Tablets loosens the mucus, opens nose and relieves pain. Sinupret extract, the active herbal substances in Sinupret contains significant more bioflavonoids. Sinupret loosens the mucus, opens nose and relieves pain. Although harmless, a cold is unpleasant and can fairly rapidly develop into a painful inflammation of the paranasal sinuses (sinusitis). In such cases, fast and focused help is required. Sinupret acts reliably against acute and chronic inflammations of the paranasal sinuses through its combination of the five medicinal plants cowslip, gentian, common sorrel, elder and vervain, with four times the concentration.