who manufactures leucovorin

Leucovorin is manufactured by several companies globally. Notable manufacturers include Cerbios-Pharma from Switzerland and Huzhou Zhanwang Pharmaceutical from China. There are also other significant manufacturers such as Rochem International Inc, ALP Pharm, Anthem Biosciences, MERCK & CIE, and more, who supply leucovorin active pharmaceutical ingredients (API) and finished formulations. Additionally, GlaxoSmithKline (GSK) historically marketed leucovorin under the brand name Wellcovorin in the US and currently leucovorin is available as a generic drug from multiple manufacturers including more than half a dozen companies.