Pinyin: Yin Chai Hu  Chinese: 银柴胡
Pharmaceutical: Radix Stellariae dichotoma
Taxonomy: Stellaria dichotoma
English: Starwort / Stitchwort

Tastes: Sweet, slightly bitter, light cold
Meridians Entered: Liver and Stomach

Actions & Indications:

1. Clears Deficiency Heat
   Yin Deficient Fire with steaming bone disorder or any Yin Deficient fever
2. Clears Heat and reduces childhood nutritional impairment
   Childhood nutritional impairment due to accumulation with Heat with fever and thirst
3. Cools the Blood and stops bleeding
   Bleeding due to Blood Heat, bleeding hemorrhoids Residual Heat from late stage febrile disease

Standard Dosage: 3-9g in decoction.

Pinyin: Zhi Mu  Chinese: 知母
Pharmaceutical: Rhizoma Anemarrhenae
Taxonomy: Anemarrhena asphodeloides
English: Anemarrhena Rhizome

Tastes: Bitter, sweet, cold
Meridians Entered: Lung, Stomach and Kidney

Actions & Indications:

1. Clears Heat and drains Fire (Clears Heat from the Qi Stage, from the Lungs and from the Stomach)
   Heat in the Qi Stage with high fever, irritability, restlessness, thirst and a rapid, flooding pulse.
   Lung Heat and Dryness with cough and expectoration of thick, yellow Phlegm
   Yang Ming Heat
   Stomach Heat
2. Nourishes Yin and moistens Dryness
   Lung and Kidney Yin Deficiency with night sweats, steaming bone disorder, irritability, afternoon or low grade fever, Five Sole Heat and bleeding gums
   (Stomach Yin Deficiency)
   Kidney Heat with spermatorrhea, nocturnal emissions and an abnormally elevated sex drive
3. Generates Fluids, clears Deficiency Fire and quenches thirst
   Oral ulcers and inflammation, steaming bones and Xiao Ke (diabetes) due to Yin Deficiency
4. Ameliorates the Dryness of tonifying or warming herbs
   For use with herbs such as Rx. Astragali Huang Qi, Ram. Cinnamomi Gui Zhi, Rx. Aconiti Lateralis Preparata Zhi Fu Zi when there is concern that these herbs may be too drying

Standard Dosage: 5-15g in decoction.
Cautions: It is not suitable for deficiency cold syndrome. Being cold and moist in property, it is prohibited to be used for those who have a spleen-deficiency diarrhea.

Pinyin: Hu Huang Lian  Chinese: 胡黃連
Pharmaceutical: Rhizoma Picrorhizae Kurroa
Taxonomy: Picrorhiza kurroa
English: Figwort-flower Picrorhiza Rhizome

Tastes: Bitter, cold
Meridians Entered: Liver, Kidney, Stomach and Large Intestine

Actions & Indications:

1. Clears Deficiency Heat
   Yin Deficiency with Heat signs
   Damage to Yin from smoking, combined with tea (Wilcox, 2025)
2. Clears Heat and reduces childhood nutritional impairment
   Childhood nutritional impairment with abdominal distention, afternoon fevers and dysenteric diarrhoea
3. Drains Damp-Heat
   Damp-Heat dysenteric disorder or sores

Standard Dosage: 3-10g in decoction.

Pinyin: Di Gu Pi / Gou Qi Gen Pi  Chinese: 地骨皮 / 枸杞根皮
Pharmaceutical: Cortex Lycii
Taxonomy: Lycium barbarum seu chinense
English: Goji Berry Root Bark / Wolfberry Root Bark / Boxthorn ROot Bark

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

Actions & Indications:

1. Cools the Blood and drains Yin Deficiency Fire (steaming bones) - (drains Kidney Fire, eliminates lurking Heat, and clears Heat from the bones)
   Yin Deficiency with Empty Fire Rising (Kidney Fire) with night sweats, steaming bone disorder with sweating, chronic low-grade fever, irritability and thirst
   Toothache from Floating Fire in the Kidney channel
2. Clears and drains Heat in the Lung
   Lung Heat cough or wheezing
3. Clears Heat, cools the Blood and stops bleeding
   Various bleeding disorders characterized by Heat in the Blood
4. Aids fasting
   Mentioned in the Shen Nong Ben Cao Jing as part of the superior class of herbs which can, with protracted taking, fortify the sinews and bones, 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.

Pinyin: Qing Hao  Chinese: 青蒿
Pharmaceutical: Herba Artemisiae Annuae
Taxonomy: Artemisia Annua
English: Sweet Wormwood

Tastes: Bitter, pungent, cold
Meridians Entered: Liver, Gallbladder and Kidney

Actions & Indications:

1. Clears Summerheat or Damp-Heat
   Summerheat with low fever, headache, dizziness and a stifling sensation in the chest
2. Clears Deficiency fevers
   Blood Deficiency or Yin Deficiency fevers
   Sequelae of a febrile disease
   Especially good when steaming bone patterns are marked by anhidrosis
3. Cools the Blood and stops bleeding
   Purpuric rashes or epistaxis due to Blood Heat
4. Stops malarial disorders and relieves Heat
   Malarial disorders with alternating chills and fever
5. Clears Liver Heat and brightens the eyes
   Liver Yang Rising with red eyes, dizziness and photophobia
6. Kills Parasites and expels Ghosts and Demons
   Gu Sydnrome (Fruehauf, 1998)
   Chronic inflammatory disease (Fruehauf, 2015)
   Around 1^st century BCE, it's fragrance was used ritually to mask the smell of the dead (Liu et al., 2013), where it may have earned its ability to treat ghost possession and then other lingering pathogens with perceived supernatural origins.

Standard Dosage: 6-12g in decoction.

Pinyin: Qin Jiao  Chinese: 秦艽
Pharmaceutical: Radix Gentianae Macrophyllae
Taxonomy: Gentiana macrophylla
English: Large-leaf Gentian Root

Tastes: Pungent, bitter, slightly cold
Meridians Entered: Liver and Gallbladder

Actions & Indications:

1. Expels Wind-Dampness, opens the channels and soothes the sinews and collaterals
   Wind-Damp Bi and cramping, especially in the limbs
   Acute or chronic Cold disorders
2. Clears Deficiency Heat
   Yin Deficiency, especially with empty Fire (fever, Steaming Bone Disorder (骨蒸 Gu Zheng))
3. Resolves Dampness and reduces jaundice
   Damp-Heat jaundice, especially acute or infantile jaundice
4. Moistens the Intestines and unblocks the bowels
   Dry constipation
5. Aids fasting
   Mentioned in the Shen Nong Ben Cao Jing as part of the middle class of herbs which can, with protracted taking, make the body light, render a good facial complexion, slow ageing, prolong life, and enable one to communicate with spirits. 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: 5-10g in decoction.

Pinyin: Bie Jia  Chinese: 鳖甲
Pharmaceutical: Carapax Trionycis
English: Soft Turtle Shell

Tastes: Salty, cold
Meridians Entered: Liver and Kidney

Actions & Indications:

1. Nourishes Yin and anchors Yang
   Yin Deficiency with fever, steaming bone disorder, night sweats or consumption
   Internal stirring of Liver Wind
2. Invigorates the Blood, promotes menstruation, softens hardness and dissipates nodules
   Chest and flank accumulations with pain and amenorrhea
   Excessive menstruation due to Hot Blood
   Malarial disorders with palpable masses
3. Heavily anchors, descends, unblocks and facilitates the functions of the Blood vessels
   Problems in children due to internal clumping

Standard Dosage: 10-15g in decoction.
Cautions: Animal products are prohibited from use in the UK under the Medicines Act 1968 ch. 67 which restricts herbalists to the use of plant products only. It is generally substituted with Qing Hao and Sheng Di Huang, or Huang Jing.

Turtles may also act as viral reservoirs and have been proposed as the potential intermediate host for coronavirus between bats and humans (Liu et al., 2020.

Pinyin: Gan Cao  Chinese: 甘草
Pharmaceutical: Radix Glycyrrhizae
Taxonomy: Glycyrrhiza uralensis seu glabra seu inflata
English: Liquorice Root

Tastes: Sweet, slightly cold
Meridians Entered: Heart, Lung and Spleen (and all 12 meridians)

Actions & Indications:

1. Tonifies the Spleen and augments Qi
   Spleen Qi Deficiency with shortness of breath, lassitude and loose stools
   Qi and Blood Deficiency with an irregular pulse and/or palpitations
   Heart Qi Deficiency or Heart Yang Deficiency
2. Moistens the Lungs, resolves Phlegm and stops coughing
   Lung Heat or Cold
   Productive or non-productive coughing
3. Moderates spasms and alleviates pain
   Painful muscle spasms of the abdomen and legs
4. Clears Heat and relieves Fire Toxicity
   Raw for Toxic Heat with sore throat or carbuncles and sores (Chuang Yung)
5. Antidote for many toxic substances (internal and topical)
   Poisoning
   Bites (after washing the wound, chew Gan Cao and apply a thick layer on the bite wound, changing whenever it dries out; Bao Xiang-Ao, 1846, New Compilation of Proven Formulas)
6. Moderates and harmonizes the harsh properties of other herbs and guides the herbs to all twelve channels
   Often added in small doses to harmonise formulas
7. Tonifies the Qi while suppressing Parasites
   Gu Sydnrome (Fruehauf, 1998)
   Chronic inflammatory disease (Fruehauf, 2015)
8. 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 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: Typically 1.5-9g in decoction. Large doses can be up 30g.
Cautions: It is contraindicated for combining with Hai Zao, Da Ji, Gan Sui and Yuan Hua because of "eighteen antagonisms". It is also contraindicated in cases of dampness obstruction in middle energizer and edema because it can help dampness obstruct qi, and it is prohibited from long-term usage in large dosage (more than 20g/day) and should be avoided or used with extreme caution in patients with high blood pressure because it may raise aldosterone levels in the blood causing retention of sodium.

The NHS recommends avoiding during pregnancy.