The herb of thermopsis has an expectorant effect, having a moderate irritant effect on the receptors of the gastric mucosa, reflexively increases the secretion of the bronchial glands.
The thermocapsa alkaloids contained in the grasscytisine, methylcytisine, pachycarpine, anagyrin, thermopsin, thermopsidin) exert a stimulating effect on the respiratory and, in high doses, on the vomiting centers.
Sodium bicarbonate stimulates the secretion of bronchial glands, helps to reduce the viscosity of phlegm.