Leaves and floral summits of shrub are used. It contains essential oil (eucalyptol, camphor), flavonoids, terpene. Scientifically non-proven effects: digestive, carminative, cholagogue. Topically used as anti-inflammatory and antiseptic. Herb that is widely used as a condiment for culinary purposes and also as infusion for medicinal purposes. In some cultures (Eastern Europe), it is often consumed in pregnancy without reported harm effects. At latest update, relevant published data on excretion into breast milk were not found. Occasional consumption of infusion would be compatible with breastfeeding. The essence of Rosemary or essential oil would better be avoided while breastfeeding because of the convulsant property of Camphor.