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Nutrient Overview. Nutrients The 6 essential nutrients What is a calorie? Calories from energy nutrients Recommended Dietary Allowances (RDA) How are they useful? . Nutrients.
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Nutrient Overview • Nutrients • The 6 essential nutrients • What is a calorie? • Calories from energy nutrients • Recommended Dietary Allowances (RDA) • How are they useful?
Nutrients • Nutrient: A substance the body uses for sustenance: energy, maintain and repair tissue or regulate functions • Essential Nutrients: Nutrients the body can’t make. They are required in our diet. • Non-Essential Nutrients: Nutrients the body can make, i.e. cholesterol
6 Types of Essential Nutrients • Carbohydrates -simple & complex Proteins -9 essential amino acids • Fats -2 essential fatty acids (omega 3 & 6) • Vitamins -13 • Minerals -15 • Water
“If you don’t eat right, nothing works right”. Dr. Leila Daughtry Denmark Oldest practicing U.S. physician Retired at age 103
What is a calorie? • The way we measure the energy that food provides • Amount of heat to raise 1 liter of water 1 degrees Celsius (you don’t need to know) • Most energy rich nutrient is fat
Recommended Dietary Allowance (RDA) • Based on review of scientific research • Recommendations are categorized by age, gender and whether pregnant or lactating • Meets the needs of virtually all healthy people in the U.S. (97.5%). They are safe and adequate intakes that include a generous margin of safety.
Recommended DIETARY Allowances • Safe and adequate amount to consume
“Food is our best medicine, and our best medicine is our best food.” Hippocrates Father of Western Medicine