The Riverside Company, a global private equity firm focused on the smaller end of the middle market, has invested in HealthTech BioActives S.L. (“HTBA”), a Spanish manufacturer of active pharmaceutical ingredients (APIs), excipients, flavorings and sweeteners for the pharmaceutical, nutraceutical and cosmetic industries, as well as ingredients for human and animal feed with a total sales of €51 million in 2018. The company’s products, derived from citrus and vitamin B12 derivatives, sell in more than 90 countries worldwide. HTBA is a carve-out of Ferrer, a well- known international pharmaceutical company headquartered in Barcelona, Spain.