The Riverside Company, a global investment firm focused on the smaller end of the middle market, announces its investment in Yellow Emperor, a leading liquid dietary supplement developer and manufacturer, as the first add-on investment for portfolio company Western Botanicals (WB Blends). The investment significantly expands Western Botanicals' custom liquid manufacturing capabilities and strengthens its position as a premier formulator and manufacturing partner for health and wellness brands. 

Founded in 1981 and headquartered in Eugene, Oregon, Yellow Emperor is a contract development and manufacturing organization (CDMO) specializing in custom liquid formulations for dietary supplements. The company provides end-to-end services from formulation and ingredient sourcing through manufacturing, bottling, labeling and packaging to approximately 70 active customers, mainly dietary supplement brands.

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