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Dietary Supplements: Herbs and Vitamins

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The gastroenterologist should know about dietary supplements, because his or her patient will probably be taking a supplement 1 or because, in some instances, a supplement may be part of the therapeutic armamentarium. Estimates of supplement usage rates and costs vary; however, it is estimated 50% or more of the Western population is taking some form of supplement at a total cost of billions of dollars. Over 50% of supplement takers do not report this use to their physician. 2 Only a handful of available dietary supplements have undergone rigorous scientific evaluation. According to the Dietary Supplement Health and Education Act (DSHEA) of 1994, a dietary supplement is a product “intended to supplement the diet to enhance health,” and includes vitamins, minerals, amino acids, herbs, and other botanicals. 3 Further, a dietary supplement is “not represented as a conventional food or a sole item of a meal or the diet.” Some products that are isolated components of food—eg, wheat bran, oa

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The gastroenterologist should know about dietary supplements, because his or her patient will probably be taking a supplement 1 or because, in some instances, a supplement may be part of the therapeutic armamentarium. Estimates of supplement usage rates and costs vary; however, it is estimated 50% or more of the Western population is taking some form of supplement at a total cost of billions of dollars. Over 50% of supplement takers do not report this use to their physician. 2 Only a handful of available dietary supplements have undergone rigorous scientific evaluation. According to the Dietary Supplement Health and Education Act (DSHEA) of 1994, a dietary supplement is a product “intended to supplement the diet to enhance health,” and includes vitamins, minerals, amino acids, herbs, and other botanicals. 3 Further, a dietary supplement is “not represented as a conventional food or a sole item of a meal or the diet.” Some products that are isolated components of food—eg, wheat bran, oa

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Traditional medicineFood scienceMedicineBiology

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