Pinyin: Tu Si Zi  Chinese: 菟丝子
Pharmaceutical: Semen Cuscutae
English: Chinese Dodder Seeds

Tastes: Sweet, astringing, slightly warm
Meridians Entered: Kidney, Spleen and Liver

Actions & Indications:

1. Strengthens Yang, nourishes Yin, astringes Jing and urine and benefits the marrow
   Kidney Yang Deficiency with impotence, nocturnal emissions, premature ejaculation, tinnitus, urinary frequency, sore painful back and vaginal discharge
2. Tonifies the Kidneys and Liver and improves vision
   Deficient Liver and Kidney Yin, Yang and Jing with dizziness, tinnitus, blurred vision or spots before the eyes
3. Benefits the Kidneys and Spleen and stops (astringes) diarrhoea
   Diarrhoea, loose stools and anorexia from Spleen and Kidney Deficiency
4. Calms the fetus
   Habitual or threatened miscarriage
5. Aids fasting
   Mentioned in the Shen Nong Ben Cao Jing as part of the superior class of herbs which can, with protracted taking, brighten the eyes, make the body light and prolong life. This may suggest it was part of supplementing the diet when engaging in an "avoiding grain" (Bigu 辟穀) fasting regime to cultivate life (Yangsheng 養生).

Standard Dosage: 10-15g in decoction.
Cautions: It is contraindicated in cases of yin deficiency with effulgent fire and difficult urination because of its warm property and tonifying and astringing actions.

Pinyin: Shu Di Huang  Chinese: 熟地黄
Pharmaceutical: Radix Rehmanniae Preparata
Taxonomy: Rehmannia glutinosa
English: Prepared Chinese Foxglove Root

Tastes: Sweet, slightly warm
Meridians Entered: Kidney and Liver

Actions & Indications:

1. Nourishes the Blood
   Blood Deficiency with facial pallor, dizziness, palpitations, insomnia, irregular menstruation, uterine bleeding and postpartum bleeding
2. Nourishes Liver and Kidney Yin
   Kidney and Liver Yin Deficiency with a weak low back and limbs, dizziness, tinnitus, tidal fevers, night sweats and nocturnal emissions
3. Strongly enriches Yin and relieves wasting and thirsting disorder
   Lower Jiao wasting (it can be used as a stand-alone herb for this)
4. Nourishes Jing and Blood and fills the Marrow
   Exhausted Jing and Blood problems such as delayed development during childhood, blunted affect, premature aging, diminished mental acuity, graying of hair, impotence and memory loss
5. Arrests coughing and wheezing
   Kidney Deficient coughing, wheezing and asthma, such as inability of the Kidneys to grasp Qi

Standard Dosage: 10-30g in decoction.
Cautions: It should be used with cautions for spleen and stomach deficiency, loose stool due to fullness in abdomen and qi stagnation with excessive phlegm because it is greasy and will produce indigestion.

Pinyin: Che Qian Zi  Chinese: 車前子
Pharmaceutical: Semen Plantaginis
Taxonomy: Plantago asiatica
English: Plantago Seeds / Plantain Seeds / Psyllium Seeds

Tastes: Sweet, slightly cold
Meridians Entered: Kidney, Bladder, Liver and Lung

Actions & Indications:

1. Promotes urination and clears Damp-Heat
   Damp-Heat, generally Damp-Heat in the Lower Jiao with oedema, painful urinary dysfunction
2. Promotes urination to solidify the stool
   Diarrhoea due to Damp-Heat
   Summerheat with Dampness
3. Clears Liver Heat and clears the eyes
   Eye problems due to Liver and Kidney Yin Deficiency with dry eyes and diminished visual acuity
   Heat in the Liver Channel with red, painful, swollen eyes and sensitivity to light
   Hypertension, high blood sugar, diabetes, obesity and hyperlipidemia (Chen et al., 2022; Zhu et al., 2024)
4. Clears the Lungs, expels Phlegm and stops coughing
   Lung Heat induced cough with yellow copious Phlegm
5. Aids fasting
   Mentioned in the Shen Nong Ben Cao Jing as part of the superior class of herbs which can, with protracted taking, make the body light and slow ageing. This may suggest it was part of supplementing the diet when engaging in an "avoiding grain" (Bigu 辟穀) fasting regime to cultivate life (Yangsheng 養生).

Standard Dosage: 9-15g in decoction.