Nutritional Guidelines

Question 1

What are the advantages and disadvantages of human feeding studies?

Answer 1

Advantages: Close control of nutrient intakes and activities, collection of metabolic excretion via urine and feces, collection of biologic materials such as blood and skin sloughing.

-Limitations: long term outcomes not measured with great accuracy. Relevance to free-living humans may be unclear. Expensive.

Question 2

What are dietary reference intakes (DRI)’s?

Answer 2

-examine the risk of inadequacy or adversity based on the level of intake of a nutrient

Question 3

What is the estimated average requirement (EAR)?

Answer 3

-the amount of intake of a nutrient that is adequate for 50% of the population

Question 4

What is the recommended dietary allowance?

Answer 4

-the intake of nutrient that meets the needs of nearly all healthy people.
=EAR + 2SD

Question 5

What is the adequate intake (AI)?

Answer 5

-the intake appears sufficient, but data is insufficient for setting EAR/RDA

Question 6

What is the tolerable upper limit (UL)?

Answer 6

-The highest amount of daily intake level that is likely to pose no adverse risks