IR	Insulin Resistance
T2DM	Type 2 diabetes mellitus
NAFLD	Non-alcoholic fatty liver disease
CVD	Cardiovascular disease
TG	Triacylglycerol
HDL-C	High-density lipoprotein cholesterol
TRP	L-tryptophan
KP	Kynurenine pathway
KIN	Kynurenine
KYNA	Kynurenic acid
TDO	Tryptophan 2,3 dioxygenase
IDO	Indoleamine 2,3 dioxygenase
BCAA	Branched-chain amino acid
BCAT	Branched-chain amino acid transaminase
BCKDH	Branched-chain α-ketoacid dehydrogenase
RR	Relative Risk
ICF	Informed consent form
BMI	Body mass index
HOMA-IR	Homeostasis Model Assessment of Insulin Resistance
FI	Fasting insulin
FG	Fasting glucose
SAH	Systemic Arterial Hypertension
NIH	National Institutes of Health
LC-MS/MS	Liquid chromatography with tandem mass spectrometric detection
SD	Standard Deviation
SEM	Standard error of the mean
P	Percentiles
ANOVA	Analysis of variance
HbA1c	Glycated hemoglobin
L-BAIBA	L-β-aminoisobutyric acid
LDL	Low-density lipoprotein