testosterone sterol ester enanthate ester testosterone enanthate http://purl.bioontology.org/ontology/MESH/C004648 http://purl.bioontology.org/ontology/RXNORM/37859 http://purl.bioontology.org/ontology/SNOMEDCT/116071004 http://purl.obolibrary.org/obo/CHEBI_9464 http://purl.obolibrary.org/obo/NCIT_C1247 https://en.wikipedia.org/wiki/Testosterone_enanthate https://www.wikidata.org/wiki/Q27108402 Testosterone enanthate, sold under the brand names Delatestryl and Xyosted among others, is an androgen and anabolic steroid (AAS) medication which is used mainly in the treatment of low testosterone levels in men. It is also used in hormone therapy for transgender men. It is given by injection into muscle usually once every one to four weeks. testosterone ester