| IR | Insulin resistance |
| T2DM | Type 2 diabetes |
| HDL | High density lipoprotein cholesterol |
| IGT | Impaired glucose tolerance |
| GI | Glycemic index |
| GL | Glycemic load |
| NEFA | Non-esterified free fatty acids |
| CVD | Cardiovascular disease |
| NAFLD | Non-alcoholic fatty liver disease |
| CNS | Central nervous system |
| HGP | Hepatic glucose production |
| GLP-1 | Glucagon-like peptide 1 |
| GIP | Glucose-dependent insulinotropic polypeptide |
| HbA1c | Glycated hemoglobin A1c |
| NGT | Normal glucose tolerance |
| BP | Blood pressure |
| RCT | Randomized Controlled Clinical Trial |
| ADA | American Diabetes Association |
| VLC | Very low carbohydrate |
| IRS | Insulin receptor substrate |
| GLUT | Glucose transporter |
| HOMA-IR | Homeostatic model assessment for insulin resistance |
| SCN | Suprachiasmatic nucleus |
| VLCD | Very low calorie diet |
| BMI | Body mass index |
| Per | Period |
| LDL | Low density lipoprotein cholesterol |
| PCO | Polycystic Ovary Syndrome |
| OGTT | Oral glucose tolerance test |
| IF | Intermittent fasting |
| ADF | Alternate day fasting |
| TRF | Time restricted feeding |
| IGF-1 | Insulin-like growth factor-1 |
| ROS | Reactive Oxygen Species |