| A | B |
| Dietary Reference Intakes | Estimated nutrient intake levels used for planning and evaluating the diets of healthy people. |
| Estimated Average Requirements | Nutrient intake value to meet the needs of half the healthy people in a group. |
| Recommended Dietary Allowances | Average daily dietary intake level meets the needs of nearly all healthy people. |
| Adequate Intake | Recommended nutrient intake value is set for nutrients for which no RDA can be determined. |
| Tolerable Upper Intake Level | Highest level of daily intake to a nutrient that is unlikely to pose risks of adverse health effects. |
| Food Guide Pyramid | A guide on how to eat properly and portion sizes for each of the five food groups. |
| Dietary Guidelines for Americans | Guidelines to encourage healthy people to form healthful diet and activity habits. |
| Nurtrient density | A comparison of the amounts of nutrients a food supplies whti the number of calories the food supplies. |
| Processed food | Foods that have undergone some preparation like freezing, drying, cooking, or fortification. |