1 RM	One Repetition Maximum
6MWT	Six-Minute Walk Test
ALMI	Appendicular Lean Mass Index
AMPK	AMP-Activated Protein Kinase
ASMMI	Appendicular Skeletal Muscle Mass Index
BAIBA	Beta-Aminoisobutyric Acid
BDNF	Brain-Derived Neurotrophic Factor
BMI	Body Mass Index
CON	Control Group
CRP	C-Reactive Protein
DEXA	Dual-Energy X-ray Absorptiometry
EX	Exercise
EX + CON	Exercise + Control Group
EX + PRO	Exercise + Protein Supplement Group
FFM	Fat-Free Mass
FM	Fat Mass
FNDC5	Fibronectin Type III Domain-Containing Protein 5
FoxO	Forkhead Box O
FGF21	Fibroblast Growth Factor 21
GDF15	Growth Differentiation Factor 15
GDF-8	Growth Differentiation Factor 8 (Myostatin)
GLUT4	Glucose Transporter Type 4
GFRAL	Glial Cell Line-Derived Neurotrophic Factor Family Receptor Alpha-Like
IGF-1	Insulin-Like Growth Factor 1
IL	Interleukin
MGF	Mechanical Growth Factor
Metrnl	Meteorin-Like Protein
mTOR	Mammalian Target of Rapamycin
MuRF1	Muscle RING Finger 1
NF-κB	Nuclear Factor Kappa-Light-Chain-Enhancer of Activated B Cells
PL	Placebo
PI3K	Phosphoinositide 3-Kinase
PRO	Protein Supplement Group
PGC-1α	Peroxisome Proliferator-Activated Receptor Gamma Coactivator 1-Alpha
RT	Resistance Training
RT + EP	Resistance Training + Epicatechin
SD	Standard Deviation
SSPB	Short Physical Performance Battery
T2D	Type 2 Diabetes
THR	Target Heart Rate
TNF-α	Tumor Necrosis Factor Alpha
TUG	Timed Up and Go Test