| AAA | Area Agency on Aging |
| AARP | American Association of Retired Professionals |
| ACA | Affordable Care Act |
| AoA | U.S. Administration on Aging |
| A.S.P.E.N. | American Society for Parenteral and Enteral Nutrition |
| BMI | body mass index |
| CACFP | Child and Adult Care Food Program |
| CFSM | Core Food Security Module |
| CMS | Centers for Medicare & Medicaid Services |
| CSFP | Commodity Supplemental Food Program |
| DASH | Dietary Approaches to Stop Hypertension |
| DNA | deoxyribonucleic acid |
| DRI | Dietary Reference Intake |
| EAR | Estimated Average Requirement |
| EBT | Electronic Benefits Transfer |
| FDPIR | Food Distribution Program on Indian Reservations |
| FoSHU | Food for Special Health Uses |
| FY | fiscal year |
| HCBS | home- and community-based service |
| IHS | Indian Health Service |
| IOM | Institute of Medicine |
| MMSE | Mini-Mental State Examination |
| NAME | Nutrition, Aging, and Memory in the Elderly |
| NANASP | National Association of Nutrition and Aging Services Programs |
| NCOA | National Council on Aging |
| NHANES | National Health and Nutrition Examination Survey |
| NIA | National Institute on Aging |
| NIH | National Institutes of Health |
| NRI | Nutrition Risk Index |
| OAA | Older Americans Act |
| P.E.E.R. | Promoting Empowerment Enrichment Resources |
| RDA | Recommended Dietary Allowance |
| SFMNP | Senior Farmers’ Market Nutrition Program |
| SNAP | Supplemental Nutrition Assistance Program |
| SSI | Supplemental Security Income |
| UAB | University of Alabama at Birmingham |
| UL | Tolerable Upper Intake Level |
| USDA | U.S. Department of Agriculture |
| USPS | U.S. Postal Service |
| VA | U.S. Department of Veterans Affairs |
| WHO | World Health Organization |
| WIC | Special Supplemental Nutrition Program for Women, Infants, and Children |