| ASMBS | American Society for Metabolic and Bariatric Surgery |
| BMI | Body Mass Index |
| BOMSS | British Obesity and Metabolic Specialist Society |
| CVD | Cardiovascular Disease |
| DRI | Dietary Reference Intake |
| EAES | European Association for Endoscopic Surgery |
| ESPEN | European Society for Clinical Nutrition and Metabolism |
| GLP-1 | Glucagon-Like Peptide-1 |
| GLP-1RA | Glucagon-Like Peptide-1 Receptor Agonist |
| GIP | Glucose-Dependent Insulinotropic Polypeptide |
| MBS | Metabolic and Bariatric Surgery |
| NV | Nutritional Vigilance |
| RCT | Randomised Controlled Trial |
| RYGB | Roux-en-Y Gastric Bypass |
| T2DM | Type 2 Diabetes Mellitus |
| TDEE | Total Daily Energy Expenditure |