Chapter 18 supplementation Flashcards
Dietary supplement
is a substance that completes or that is in addition to one’s daily dietary intake.
RDA (recommended dietary allowance)
This is the approximate amount of calories/nutrients that one should consume on a daily basis to maintain good health. This estimation is created by the National Research Council, National Academy of Sciences and the food in nutrition board
AI (Adequate Intake)
This is the recommended daily intake of a certain nutrient. This is only used when RDA is not determined.
UL (Tolerable upper intake level)
This is classified as the highest level of nutrient intake that is most likely to not have any risk for adverse effects for most of the general public. If you go over the UL, you increase your risk to experience adverse effects.
Labels on supplements (Units of measurement)
Nutrition labels usually express their quantities in forms of milligrams (mg), micrograms (mcg) or IU. They also provide the percent daily value of the nutrients that are contained in the supplement.
What is the traditional reason for use of a dietary supplement?
To provide the body with nutrients that might not be adequately supplied by a diet
What 3 micronutrients can cause serious adverse effects such as birth defects, calcification of blood vessels, and damage to sensory nerves?
A, D, B6
What 4 nutrients have the greatest potential for excess dosage in dietary supplements?
Vitamin A, Vitamin D, Iron, Zinc
What is the result of excess consumption of vitamin D?
Calcification of blood vessels and kidney, heart, and lung damage
What is the potential result of excess calcium intake?
Kidney stones
What are the potential results of excess iron intake?
Interference with absorption of other minerals and gastrointestinal irritation
Substances ingested with the intention of increasing athletic performance
Ergogenic aids
