The Undisclosed Presence of Excipients and Diluents in Botanical Extracts.

The article discusses the quality issues surrounding herbal dietary supplements, highlighting concerns such as the presence of adulterants like maltodextrin, the absence of active botanical compounds in some products, and the practice of selling extracts diluted with fillers to meet extract ratio requirements. It also discusses the discrepancy between label claims and actual product content, raising questions about the efficacy and safety of these supplements.