First one on the left is for flushing the lymph (contains self-heal, violet, red root, and calendula), the second is an antifungal/antimicrobial (contains St. John's Wort, Pau D'arco, Lemon Grass, Lemon Balm, Olive Leaf and Tulsi), the third is for flushing bile (fenugreek) and the fourth is a highly mineralized nutrient dense mixture for bone health and the added bonus is it's also profoundly healing to the nervous system. (nettles, oatstraw and horsetail). Most herbs have multiple uses so this is what I happen to be using them for at the moment...it's not the only way to use any of the herbs listed. ...