<unk> s are substances (drugs and nutrients) that stimulate the immune system by inducing activation or increasing activity of any of its components. One notable example include granulocyte macrophage colony-stimulating factor, commercially available under Leukine name. Some immunostimulating properties were also attributed to Echinacea plant.
Immunostimulator
Antiviral drug
Antimicrobial
Hemostatic agent
Antioxidant
Immunoconjugate
Mast cell stabilizer
Monoclonal antibodies