| ATP | adenosine triphosphate |
| BIA | bioelectrical impedance analysis |
| BMD | bone mineral density |
| B12 | vitamin B12/cobalamin |
| CRP | C-reactive protein |
| CT | computed tomography |
| D3-creatine dilution | deuterated creatine dilution method |
| DRI | Dietary Reference Intake |
| DXA | dual-energy X-ray absorptiometry |
| GDF-15 | growth differentiation factor-15 |
| GIP | glucose-dependent insulinotropic polypeptide |
| GIP/GLP-1 | glucose-dependent insulinotropic polypeptide/glucagon like peptide-1 |
| GIPR | glucose-dependent insulinotropic polypeptide receptor |
| GLP-1 | glucagon-like peptide-1 |
| GLP1R | glucagon-like peptide-1 receptor |
| HMB | beta-hydroxy-beta-methylbutyrate |
| IGF-1 | insulin-like growth factor-1 |
| IL-6 | interleukin-6 |
| JAMA | Journal of the American Medical Association |
| MRI | magnetic resonance imaging |
| TNF-alpha/TNF-α | tumor necrosis factor-alpha |