Tai Zi Shen (Prince Ginseng) - a gentle qi and yin tonic, mild enough for children and weak patients.

Da Zao (Chinese Date / Jujube) - tonifies the Spleen qi, nourishes the blood, calms the spirit and harmonises formulas.

Shan Yao (Chinese Yam) - a gentle tonic of the Spleen, Lung and Kidney that also benefits the yin.

Bai Zhu (White Atractylodes) - the principal herb for tonifying the Spleen qi and drying dampness.

Dang Shen (Codonopsis root) - a gentle, moderate qi tonic for the Spleen and Lung, often used in place of Ren Shen.

Gan Cao (Licorice root) - tonifies the Spleen, harmonises other herbs, clears heat and relieves spasm; the most widely used herb in Chinese formulas.

Ren Shen (Ginseng) - the most powerful qi tonic, used to rescue collapse and tonify the Lung, Spleen and Heart.

Huang Qi (Astragalus root) - a major qi tonic that raises yang, strengthens the defensive qi and promotes healing.