Medicinal ingredients:
Vitamin C (calcium ascorbate) *from Ester-C® brand calcium ascorbate       300 mg
Andrographis (Andrographis paniculata, leaf)         200 mg
N-acetyl-L-cysteine (NAC)          200 mg
Purple coneflower extract (Echinacea purpurea, herb top and root) (4:1 extract, QCE 240 mg)         60 mg
Narrow-leaf echinacea (Echinacea angustifolia, root) (4-8:1, QCE 180 – 360 mg)     45 mg

Non-medicinal ingredients:
magnesium stearate (vegetable), maltodextrin

Directions :
Take 2 capsules 3 times per day or as directed by a health care practitioner. Take at first sign of infection. Take with meals