When one talks about curcumin, one is most often discussing an extract of the botanical that results in a potentially more beneficial product. The goal is to enhance what is offered in nature and offer differentiation. Before a brand decides to use a curcumin ingredient in a dietary supplement product, it must consider whether the extract is a new (NDI) or old dietary ingredient (ODI). FDA’s thinking on the matter is clear according to its most current findings: Nearly every extract on the market qualifies as an NDI. Whether notification is required (per 21CFR §190.6) has yet to be determined. However, any number of ingredients have the potential of being removed from the market because marketers didn’t properly notify FDA.

Adulteration is a more immediate challenge for curcumin. The Botanical Adulteration Program, led by the American Botanical Council (ABC), the American Herbal Pharmacopoeia (AHP) and the University of Mississippi's National Center for Natural Products Research (NCNPR), has reported curcumin has been adulterated with other Curcuma species, starches and dyes. More recently, the addition of undeclared synthetic curcumin or mixtures of synthetic curcuminoids to turmeric extracts has been reported. Brands need to affirm the identity of the material and include testing of these contaminants in specifications. Determination of the status, identity and purity of the materials is a mandate by federal law, not a suggestion.

Once the path is clear for any specific curcumin ingredient, a second challenge emerges: Consumers generally understand the benefits of curcumin. This challenge involves the regulatory acceptability of certain claims followed immediately by the need for substantiation of these claims. Looking just at the acceptability of the claims, recognize that many of the touted benefits of curcumin involve addressing inflammation. However, claims regarding the inflammatory response, or even the discussion of inflammation in any form, are considered by FDA to be drug claims. This tends to blunt the development of claims quickly. The choices are to become amazingly creative in discussion of the benefits of the ingredient or to simply rely on consumers receiving enough “education” from other sources.

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