BIBC 120 Lecture Notes - Lecture 3: Dietary Supplement, Dietary Fiber, Osteoporosis

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BIBC 120 Week 1 Lecture 3 Notes (1/12/17):
Nutritional science definitions
Dietary Reference Intakes and food labels
Assessing nutritional claims
FDA Mandates Changes to Nutrition Facts Label in 2016
update serving sizes
ilude added sugas
greater emphasis on overall energy balance; less emphasis on Calories from total fat
Values for vitamin D and potassium will now be required (along with calcium and iron)
Values for vitamins A and C will no longer be required
FDA Changes to Nutrition Facts Label Compliance Dates
Food manufacturers with more than $10 million in annual sales: originally July 2018;
proposed rule to extend this to July 2020
Food manufacturers with less than $10 million in annual sales: originally July 2019;
proposed rule to extend this to July 2021
The FDA also Regulates Nutritional Claims on Food Labels
A. Nutrient content claims
B. Health claims
C. Structure/function claims
Dietary supplements = vitamin and mineral supplements, herbs, amino acids, enzymes,
metabolites
A. Nutrient Content Claims
Redued Caloies Lo Fat Cholesteol Fee
Describe amount of nutrient or Calories per serving
Pre-established by FDA based on fixed standards
Foods and dietary supplements
B. Health Claims
Claim about how product may affect risk for disease or health related condition
Two types of health claims, regular and qualified
1. Regular health claims
i. Supported by considerable scientific evidencestadad is sigificant
sietifi ageeet, seeal published studies
ii. Are pre-approved by FDA or authorized by governmental scientific body
(NAS)
iii. Pre-approved claims may be used with dietary supplements
iv. EX: Adeuate aliu thoughout life, as pat of a ell-balanced diet,
may reduce the risk of osteopoosis late i life. Diets lo i fat ad
ih i solule fie a edue the isk of heat disease.
2. Qualified health claims
i. Much lower standard of evidencesome credible evidence but does not
eet the sigifiat sietifi ageeet stadad, oe or two studies
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Document Summary

Bibc 120 week 1 lecture 3 notes (1/12/17): The fda also regulates nutritional claims on food labels: nutrient content claims, health claims. Health claims in advertising: not regulated by fda like food label. Assessing the validity of nutritional claims things to consider: what is the source of the information, and how credible is that source, peer-reviewed journal, public-health organizations. Is the information provider trying to sell you something: is there scientific evidence supporting the claim, ex: eating broccoli may prevent cold and flu infections. Possible sources of scientific evidence: testimonials no, survey correlating amount of broccoli eaten and incidence of cold and flu. Yes: article in biochem journal reporting isolation of phytochem from broccoli that enhance response of immune cells to flu virus -yes, randomized clinical trial - yes, internet blog -no. Benefits: comparison of results using different methodologies; larger population/sample size: review article summary of current research by an expert in that field.

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