Chapter 18 Flashcards
Food and Nutrition Board of the Institute of Medicine developed the Dietary Reference Intakes (DRI)
estimated average
requirement (EAR).
estimated average
requirement (EAR)
The EAR is the average daily intake level of a nutrient that is estimated to meet the needs of at
least half of the healthy individuals in a particular gender and age group.
recommended dietary allowance (RDA)
the amount of a nutrient that will meet the requirement of nearly all people in an age and gender group (97-98%
adequate intake (AI)
an estimation of how much of a nutrient is
adequate for a given demographic of healthy people
upper intake level
UL
the safe upper intake level of a nutrient; going over the UL for a nutrient presents a risk of
adverse health effects.
percent daily value (DV)
how much of the RDA is satisfied by a single
serving of the supplement product
Some nutrients have exceptions to the 100% DV rule-of-thumb
. For women, vitamin A—when present only as
retinol (instead of β-carotene)—should be taken in quantities less than the DV
&
β-carotene is
contraindicated for people who smoke
&
calcium, which is better to be taken in smaller
quantities throughout the day with food.
Ergogenic Aids
supplements that are taken to increase athletic performance
creatine
muscle creatine concentration increases and enhances
the performance of brief, high-intensity efforts….. enhanced ATP-PC system
caffeine
3-6 mg per kg body weight taken one hour before exercise is recommended as safe and effective
Excess Vit. D
Calcification of arteries
Which of the following classifies a product as a supplement?
Non-drug substance in a pill or powder form
