Zymoplex (Tamoxifen Citrate, Nolvadex) 30 Tabs x 20mgPackage: 30 Tabs x 20mg Total 600mg. Usage: oral. Zymoplex (Tamoxifen Citrate, Nolvadex) is drug for use in estrogen dependent tumors,breast cancer, gynecomastia. Produced by: Genapharm (Greece).