Rehmannia (Shu Di Huang) - Nourishes kidney yin, replenishes essence
Cornus (Shan Zhu Yu) - Tonifies liver and kidney, prevents essence leakage
Dioscorea (Shan Yao) - Strengthens spleen and stomach
Anemarrhena (Zhi Mu) - Clears heat, generates fluids
Phellodendron (Huang Bai) - Eliminates damp-heat, reduces fire
Alisma/Peony/Poria - Promotes diuresis, cools blood