This is a blend of eight herbs the four original ones with the addition of the ones below:
Watercress (Nasturtium officinale)
blessed thistle (Cnicus benedictus)
red clover (Trifolium pratense)
kelp (Laminaria digitata)
Both Essiac and Flor Essence formulas individual herbs have molecules with antioxidant, anti-inflammatory, anticancer, or immunostimulatory activity which have been identified.