Dietary Supplements 080610 2 slide

Dietary Supplements 080610 2 slide - DIETARY SUPPLEMENTS...

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1 D IETARY S UPPLEMENTS Lia M. Nightingale, Ph.D. R EGULATION ? Dietary Supplement Health & Education Act (DSHEA) of 1994 Vitamins, minerals, herbs, botanicals, amino acids, enzymes, metabolites, etc. Under umbrella of foods, NOT drugs Must contain: †These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. http://www.youtube.com/watch?v=BfTnVCh0dKE
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2 R EGULATION Drug Food Supplement Considered unsafe until safety is proven by clinical trials. Considered safe until proven otherwise. Must use FDA approved ingredients. Clinical trials not required. Nov. 2009 Drug Recalls : Ketorolac Tromethamine Injection (contamination) Cerezyme, Fabrayzme, Myozyme, Aldurazyme, and Thyrogen (contam) Propofol and Liposyn (contam) Nov. 2009 Supplement Recalls: Pai You Guo (wt. loss) RockHard Weekend (ED) Stiff Nights (ED) Bodybuilding.com (65 suppl) Bromodrol, Dual Action Grow Tabs, Grow Tabs, Mass Tabs, and Ripped Tabs TR Nov. 2009 Food Allergy Alerts: Snacks on Racks (snack pack) Blue Bonnet light spread Jelly Belly Caramel Chocolate Truffle Hot Chocolate Must prove a benefit No benefit required N EW R EGULATIONS By June 2010, all supplement manufacturers are required to follow Good Manufacturing Practices (GMPs) Supplements must: be produced in a quality manner not contain any contaminants or impurities be labeled with the actual ingredients in the product Does not address safety or health benefits/hazards. http://www.msnbc.msn.com/id/14856571/ http://www.usp.org/USPVerified/dietarySupplements/supplements.html
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3 B Y THE N UMBERS 1,500 U.S. supplement manufacturers 55 FDA inspections for GMPs 170+ supplements in last 2 years to contain hidden drugs 33% of supplements with scientific evidence they work & are likely safe Consumer Reports, Sept. 2010. P. 16-20. P OTENTIAL B ENEFITS Prevent nutritional deficiencies Improve nutritional status in those that can’t get adequate amounts from their diet
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4 P OTENTIAL H ARMS Direct toxicity (including allergic reactions) Indirect toxicity (eg. heavy metal {Hg,As} contamination; bacterial contamination) Inhibition of nutrient absorption (competitively or via blockage of absorption) ‘N ATURAL DOES NOT MEAN SAFE .
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5 ‘N ATURAL Arsenic is natural Nicotine is natural Some of the most toxic compounds in the world are natural Be aware that parts of plants (ex. roots vs. leaves) may act differently in the body & extracts may contain very large doses of compounds M EGADOSING : M ORE IS B ETTER Can megadoses of Vitamin C prevent getting a cold? Megadoses of vitamins, minerals & other compounds
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Dietary Supplements 080610 2 slide - DIETARY SUPPLEMENTS...

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