ASV	Amplicon Sequence Variant
BCAA	Branched-Chain Amino Acid
BMI	Body Mass Index
FC	Fold Change
FDR	False Discovery Rate
FEP	First-Episode Psychosis
NMDS	Non-metric Multidimensional Scaling
NTC	No Template Control
PANSS	Positive and Negative Syndrome Scale
qRT-PCR	quantitative Realt-Time PCR
SCZ	Schizophrenia