| 25(OH)D | 25-hydroxyvitamin D |
| BIA | Bioelectric Impedance Analysis |
| BMI | Body Mass Index |
| CLIA | Chemiluminescence Immunoassay |
| CMIA | Carbonyl Metalloimmunoassay |
| CRP | C-reactive Protein |
| ES | Effect Size |
| FM | Fat Mass |
| HDL-C | High-Density Lipoprotein Cholesterol |
| HOMA-IR | Homeostatic Model Assessment for Insulin Resistance |
| IFG | Impaired Fasting Glucose |
| LDL-C | Low-Density Lipoprotein Cholesterol |
| MetS | Metabolic Syndrome |
| MM | Muscle Mass |
| PTH | Parathyroid Hormone |
| TC | Total Cholesterol |
| TG | Triglycerides |
| TSH | Thyroid-Stimulating Hormone (Thyrotropin) |
| VDR | Vitamin D Receptor |
| VFA | Visceral Fat Area (Visceral Fat Tissue) |
| VO2max | Maximal Oxygen Consumption |