| ASF | Animal-sourced foods |
| BDNF | Brain-derived neurotrophic factor |
| DHA | Docosahexaenoic Acid |
| FAO | Food and Agriculture Organization |
| GLP-1 | Glucagon-like peptide-1 |
| HIC | High-income countries |
| LMICs | Low- and middle-income countries |
| RCT | Randomized-controlled trial |
| UK | United Kingdom |
| US | United States |