| AI | Adequate Intake |
| CDRR | chronic disease risk reduction |
| DRI | Dietary Reference Intake |
| EAR | Estimated Average Requirement |
| EGRAC | erythrocyte glutathione reductase activity/activation coefficient |
| MeSH | medical subject headings |
| PI(E)COD | Population, Interventions (Exposures), Comparators, Outcomes, and Study Designs |
| RDA | Recommended Dietary Allowance |
| UL | Tolerable Upper Intake Level |
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