INS and Hypergonadotropic hypogonadism: Further studies are needed to confirm this evidence and to investigate the putative role of lifestyle and dietary modifications on the different metabolic pathways in hypogonadal patients, including the supplementation with carnitine in patients with primary hypogonadism, and in association with TRT, as suggested by metabolomic studies or the effect of diet and insulin‐sensitizing agents on metabolic profiles in patients with functional hypogonadism.