The topic of functional foods is well documented in the literature. However, information on functional foods in publications on food science, nutrition, dietetics, health, and marketing is often vague and sometimes inconsistent, and as a result, is of limited value to the food science professional.

This ambiguity reflects the different focus of each discipline, as well as the complexity of the subject matter. Although some advances have been made, further scientifically sound in-vitro, animal, an…

Table 1—Functional foods continuum endpoints (whole food . . . dietary supplement) and resultant ease of activities/attributes

Table 2—Health claim regulations listed in Title 21, Part 101 (Food Labeling) of the Code of Federal Regulations (FDA, 2002a)

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