| DRI | dietary reference intakes |
| EAA | essential amino acid |
| FAD | flavin adenine dinucleotide |
| FAOD | fatty acid oxidation disorder |
| FMN | flavin mononucleotide |
| GALT | galactose 1-phosphate urydyltransferase |
| GLUT1-DS | glucose transporter type 1 deficiency syndrome |
| GMP | glycomacropeptides |
| GSD | glycogen storage disorder |
| HF | hereditary fructosemia |
| IMD | inherited metabolic disorder |
| KD | ketogenic diet |
| LCFAOD | long-chain fatty acid oxidation disorder |
| MCT | medium-chain triglyceride |
| MCV | mean corpuscular volume |
| MMA | methylmalonic acidemia |
| MSUD | maple syrup urine disease |
| NE | niacin equivalents |
| OA | organic acidosis |
| PA | propionic acidemia |
| DHA | docosahexaenoic acid |
| PAH | phenylalanine hydroxylase |
| PDHc | pyruvate dehydrogenase complex |
| PKU | phenylketonuria |
| PLP | pyridoxal 5′-phosphate |
| RDA | recommended dietary allowances |
| UCD | urea cycle disorder |
| VLCADD | very-long-chain Acyl CoA dehydrogenase deficiency |
| WHO | World Health Organization |