Salvia officinalis or common sage is one of the 900 species of plants that pertains to genus Salvia as well as Salvia hispanica or Chia (see specific information) but with totally different composition, properties and uses.This comment refers to Salvia officinalis, also called common sage or simply sage. The leaves and flowering tops of this herbaceous specie which is native from Mediterranean Europe are usedIt contains thujone, camphor and cineol; phenolic acids, terpenes, flavonoids, tannins ...Thujone and camphor are neurotoxic and may induce seizures. Its concentration varies greatly depending on the season and region of origin. The highest concentration appears in the essential oil, whose consumption has caused severe cases of poisoning, especially in children. Traditionally used but without scientific evidence for relief of dyspepsia, excess of sweating, swelling of the mouth, throat and skin. Sage has been used (also without scientific evidence) to decrease milk production (Eglash 2014, Amir 2011) At latest update no published data on excretion into breast milk was found. A moderate consumption of leaf tea is devoid of toxicity. It should be convenient to choose plants with low content of thujone and camphor. Essential oil consumption is not recommended during breastfeeding.For culinary purposes it does not pose any health risk if consumed as aromatic seasoning in usual amounts.