The root of this herb is used.It contains oleoresin and essential oil along with sesquiterpene hydrocarbons, and spicy substances (gingeroles and shogaols).Attributed properties: digestive, carminative, antiemetic and anti-inflammatory.Indications according to Commission E of the German Ministry of Health: motion sickness, vomiting (pregnancy, post surgery), anorexia, dyspepsia. Plant widely used in many countries as a condiment and as a medicine. In some cultures its consumption increases during pregnancy or lactation without reported complications (Nordeng 2004, Chen 2013, Kennedy 2013). It is used as a galactogogue by cultures from several continents (Raven 2007, Lamxay 2011, Sim 2103). A study with few participants shown an increase of milk production within the first 6 days postpartum but not later; there was no change on prolactin levels (Paritakul 2016). The best galactogogue result is achieved by a frequent on demand suckling and using a correct technique (ABM Protocol No. 9 2011). It may be considered compatible with breastfeeding (Dennehy 2011)Abuse may be a cause of clotting issues (bleeding) and heartburn.