AGAT	Alanine:glyoxylate aminotransferase
ALA	delta-aminolevulinic acid
ALAS	delta-aminolevulinic acid synthase
BA	Bile acids
BAAT	Bile acid-coenzyme A: amino acid N-acyltransferase
BCAA	Branched chain amino acids
BCKDH	Branched-chain keto acid dehydrogenase
BHMT	Betaine-homocysteine S-methyltransferase
CH2-THF	5,10-methylene tetrahydrofolate
CPS1	Carbamoyl-Phosphate Synthase 1
DHF	dihydrofolate
DHFR	dihydrofolate reductase
DMGDH	Dimethylglycine dehydrogenase
EPIC	European Prospective Investigation into Cancer and Nutrition
GLYAT	Glycine N-acyltransferases
GlyR	Glycine receptor
GNMT	Glycine N-methyltransferase
GSG index	Glutamate-serine-glycine index
GWAS	Genome-wide association study
HOMA index	Homeostatic Model Assessment index
NAFLD	Non-alcoholic fatty liver disease
NMDA	N-methyl-D-aspartate
SAM	S-adenosylmethionine
SAH	S-adenosylhomocysteine
SDH	Sarcosine dehydrogenase (SDH)
SHMT	Serine hydroxymethyltransferase
SNP	Single nucleotide polymorphism
T2DM	Type 2 diabetes mellitus
THF	tetrahydrofolate