| BMI | Body Mass Index |
| EAU | European Association of Urology |
| FSH | Follicle-Stimulating Hormone |
| GLP-1 | Glucagon-Like Peptide-1 |
| GLP-1 RA | Glucagon-Like Peptide-1 Receptor Agonist |
| GnRH | Gonadotropin-Releasing Hormone |
| HPG | Hypothalamic–Pituitary–Gonadal |
| HOMA-IR | Homeostatic Model Assessment of Insulin Resistance |
| ICS | International Continence Society |
| IIEF-5 | International Index of Erectile Function (5-item) |
| LBM | Lean Body Mass |
| LH | Luteinising Hormone |
| MeSH | Medical Subject Headings |
| PRISMA | Preferred Reporting Items for Systematic Reviews and Meta-Analyses |
| RCT | Randomised Controlled Trial |
| RoB 2 | Risk of Bias 2 Tool |
| ROBINS-I | Risk Of Bias In Non-randomised Studies of Interventions |
| SHBG | Sex Hormone-Binding Globulin |
| T2DM | Type 2 Diabetes Mellitus |
| TD | Testosterone Deficiency |
| TRT | Testosterone Replacement Therapy |