Nutrition Final Exam

Dietary Supplements, Vitiams, Minerals, and Cumulative points

Define a dietary supplement.

Vitamin, mineral, herb, botanical, amino acid, metabolite, extract or a combination.

Describe a user for a dietary supplement.

Typical user is bad with eating (eating disorder) or due to health reasons.

Common reasons that are cited for using dietary supplements>

Promotes or maintains health, improves energy level, boosts immunity, fills nutritional gaps, supports healthy aging

What are the components of the DSHEA of 1994? Who has the responsibility for the regulation and oversight of diestary supplements?

Defines and regulates dietary supplements. GRAS is responsible for the ingredient,s but the manufacturer if it is safe

Describes how dietary supplements are regulated in the US

FDA has to prove that is NOT safe in order to remove them.

What types of claims are the most common/allowed on dietary supplements?

Clinically proven and Quality Assured

Describe recommendations for choosing dietary supplements wisely?

Read labels carefully, look for quality, expiration date, formulas, dont overdo, questionionable ingredients.

What should be considered before consuming a dietary supplement?

Health conditions, pregnancy, dietary needs, age, skin, smokers, heavy menstruation and disease.

Where can you find reliable information about supplements?

Consumer Lab

How are fat-soluble and water-soluble vitamins.different? 2. How does the body handle excess of each

Different by water goes straight to blood, fat goes to lymph then blood, water travels freely, fat needs protein carriers, water circulates freely, fat is stored, water removes excess as urine, fat tends to keep it, water needs frequently, and fat in periodic doses.

What do the fat-soluble and water-soluble vitamins have in common?

Fat and Water have in common that they are required for the body, play roles in metabolism, act as coenzymes, and crucial for enzyme function

Bioavailability

  Amount of a nutrient absorbed and used by the body. 

What factors can increase or decrease micronutrient bioavailability?

 Source, Dietary Intake, Preparation Method, Personal characteristics.

What about calcium and iron specifically?

  Influence absorption

Differentiate between fortified and enriched foods.

Fortified- Added. Enriched= After processing then completed

How does processing affect nutrients in food?

decreases them

What does the Recommended Dietary Allowance (RDA) mean? How does it differ from Estimated Average Requirement (EAR)?

 RDA= Quantitative nutrient intake recommendations. RDA= 98% of the population met. EAR= 50% of the population met.

 What does Upper Limit (UL) mean?

Max

Fat Soluble Vitamins

A,D, E, k

Use of Vitamin K

Crucial for blood clotting and bone health,