Mullein (Verbascum):

Therapeutic actions:

Anticatarrhal, demulcent, expectorant, vulnerary. (Bone, 2003, p. 333)

Phytochemical constituents that enhance these:

• Mucilage, pigments, saponins and volatile oil. (Willard & McCormick, 1992, p. 149) (Weiss & Fintelmann, p. 188)

Supporting evidence:

Antiviral activity has been demonstrated in vitro. (Fugh-Berman, 2003, p. 228)