NTR 301 Exam One Study Guide
Distinguish between/among a nutrient, an essential nutrient, a phytonutrient and a nutraceutical and
give an example of each: - Ans:-● Nutrient: Provides NOURISHMENT
● Non-essential Nutrient: A nutrient found in food but it doesn't have to be; our BODIES CAN MAKE...
● Deficient: LITTLE OR NO intake (amount) over WEEKS TO YEARS (timeframe) resulting in a specific set
of symptoms (outcome) aka DEFICIENCY DISEASES (ex: vitamin D and rickets), represent DIRECT CAUSE
AND EFFECT relationship
● Marginal: LESS THAN OPTIMAL intake over YEARS resulting in increased risk for CHRONIC DISEASES
that are MULTI-FACTORIAL (many contributing factors) (ex: cancer)
● Optimal: Defined using DRI (dietary reference intakes)
● Over-consumption: GREATER THAN OPTIMAL intake over YEARS resulting in increased risk for CHRONIC
DISEASES (indirect; ex: saturated fat and heart disease)
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