The herbs in this combination are:

Barberry, golden seal, echinacea and garlic for the support they render to the natural immune system process
Marshmallow, yarrow and slippery elm for the smooth muscle support
Irish moss, yerba santa, fenugreek and mullein to maintain naturally healthy tone to the respiratory system
Rose hips for it’s ability to keep the connective tissue supported and in it’s naturally vibrant state
Licorice as a catalyst of the rest of the herbs.