2005 Dietary Guidelines Advisory Committee Report PART D: SCIENCE BASE Section 1: Aiming To Meet Recommended Intakes of Nutrients

This section addresses five major questions related to achieving recommended intakes of nutrients and special considerations: 1. What nutrients are most likely to be consumed in amounts low enough to be of concern? 2. What dietary pattern is associated with achieving recommended nutrient intakes? 3. What factors related to diet or physical activity may help or hinder achieving recommended nutrient intakes? 4. How can the flexibility of the food pattern be increased? 5. Are special nutrient recommendations needed for certain subgroups? The search strategies used to find the scientific evidence related to each of these questions appear in Part D, “Methodology. ” See Appendix G-3 for tables summarizing the findings related to Questions 3, 4, and 5. NUTRIENT INTAKE GOALS At least 34 nutrients are needed for growth and normal body functioning. Nutrients function in many ways to build, maintain, and protect body structures and systems and t