Objectives: Study on immunostimulating effects of formulae from Pouzolzia zeylanica, Tinospora crispa, Andrographis paniculata, Mahonia nepalensis and Zingiber officinale was performed in healthy mice and cyclophosphamide-induced immunosuppressive mice. Methods: Materials used in the study including Formula 1 (Mahonia nepalensis, Pouzolzia zeylanica and Zingiber officinale), Formula 2 (Mahonia nepalensis, Andrographis paniculata and Zingiber officinale), Formula 3 (Tinospora crispa, Andrographis paniculata and Zingiber officinale) and Formula 4 (Pouzolzia zeylanica, Tinospora crispa and Zingiber officinale).