FDNS 4600 1st Edition Lecture 30 Outline of Past Lecture I II III IV Soy Protein Soy Formula Infants AAP Health Claim on Soy Foods US FDA Health Claims on soy foods other countries Outline of Current Lecture I II III IV V VI VII Soy Products 2005 AHRQ New research Lipids Cochrane Review 2013 Why eat soy FDA and Dietary Supplements FTC Federal Trade Commission National Institutes of Health NIH Office of Dietary Supplements ODS Current Lecture I Soy Products 2005 AHRQ a A study was formed around soy supplements in people s arms b Cardiovascular endpoints i Small to moderate effects on lipids c Menopausal symptoms i Problem with high dropout rates ii Both groups control and experimental had a decrease in hot flash frequency iii Even though there is not a direct evidence that soy helps with menopausal symptoms health claims can still be made d Endocrine Function i No significant changes in anything related to hormones e Cancer and Tumor i No study reported development of cancer as an outcome f Bone Endpoints i No consistent effect g Kidney function neurocognitive function and glucose metabolism These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute II III IV i No statically significant changes in glomerular filtration rate after 8 weeks neurocognitive function fasting blood glucose levels h Adverse Events i Nothing too serious ii Problems mainly occurred gastrointestinal nature there were menstrual complaints musculoskeletal complaints headache dizziness rashes iii People withdrew because of bad taste which may have shifted the results i Conclusion i Soy has small effect on blood lipids ii Duration of studies generally short iii Evidence does not support effect of soy products on endocrine function menstrual cycle length or bone health iv Greater likelihood of adverse events with soy consumption but mostly these are minor v Few studies of 1 year or longer vi Uncertain of long term New research a People are still doing research on the topic b It is getting more complicated as time goes on c Specific health benefit is hard to find but it is known that it is a high quality protein Lipids Cochrane Review 2013 a No evidence of effects of isoflavones on patient b The trial had some bias and low number of participants Why eat soy a High quality protein b Plant based diet Dietary guidelines c Vegan option d Milk for lactose intolerance e Adds more variety to the diet The information above will be on exam 2 but the information below will be on exam 3 V VI FDA and Dietary Supplements a Regulates supplements but does not do pre market approval unless it has a new dietary ingredient b FDA can issue a warning label if the dietary supplement is unsafe c Manufacturer responsible for ensuring its dietary supplement is safe before it goes on the market FTC Federal Trade Commission a Protects consumers by stopping unfair deceptive or fraudulent practices in the marketplace including advertising VII b Do investigations sue companies and people that violate the law educate consumers and businesses about rights and responsibilities National Institutes of Health NIH Office of Dietary Supplements ODS a Mission strengthen knowledge and understanding of dietary supplements by evaluating scientific information stimulating and supporting research disseminating research results and educating the public to foster an enhanced quality of life and health for US b Important to have food first and supplements as needed c Caffeine intake in new dietary guidelines
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