Pinyin: E Jiao  Chinese: 阿胶
Pharmaceutical: Colla Corii Asini
English: Donkey-Hide Gelatin / Ass-Hide Glue

Tastes: Sweet, neutral
Meridians Entered: Lung, Liver, Kidney and Heart

Actions & Indications:

1. Tonifies the Blood
   Blood Deficiency with dizziness, sallow or pale complexion and palpitations
2. Nourishes the Blood and stops bleeding
   Any kind of bleeding, especially consumptive disorders with hemoptysis, hemafecia, menorrhagia or metrorrhagia
3. Nourishes and moistens Yin
   Yin Deficiency with irritability and insomnia in the aftermath of a Warm febrile disease
4. Moistens the Lungs and Large Intestine
   Dry Lung coughs due to Yin Deficiency or consumption

Standard Dosage: 5-10g in decoction.
Cautions: It should be used with cautions for spleen and stomach deficiency, poor appetite, loose stool due to spleen deficiency because it is greasy and will produce indigestion.

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 may be substituted with a variety of Blood and Yin tonics depending on the formula, or gelatin from other animal sources such as pigs or cows included as dietary advice, provided it is not supplied by the herbalist as part of the prescription.

Pinyin: Ma Dou Ling  Chinese: 馬兜鈴
Pharmaceutical: Fructus Aristolochiae
Taxonomy: Aristolochia contorta
English: Dutchman's Pipe Fruit / Aristolochia Fruit / Birthwort Fruit

Tastes: Bitter, slightly pungent, cold
Meridians Entered: Lung and Large Intestine

Actions & Indications:

1. Clears the Lungs, transforms Phlegm, stops coughing and calms wheezing
   Cough or wheezing due to Lung Heat with rebellious Qi
   Lung Deficiency Heat
   Lung Deficiency chronic asthma
2. Clears and drains Large Intestine Heat and reduces swelling and pain
   Large Intestine Heat with swelling and pain in and around the anus
   Bleeding hemorrhoids and fistula
3. Lowers Blood pressure
   Hypertension due to Liver Yang Rising

Standard Dosage: 3-10g in decoction.
Cautions: Being bitter and cold, it should be used with cautions for cough and dyspnea due to cold deficiency or diarrhea due to spleen deficiency. Proper dose should be used to prevent vomiting.

This herb is prohibited from use in the UK under the banned and restricted herbal ingredients list issued by the MHRA because it contains toxic aristolochic acid.

Pinyin: Xing Ren  Chinese: 杏仁
Pharmaceutical: Semen armeniacae
Taxonomy: Prunus armeniaca seu mandshurica seu sibirica
English: Bitter Apricot Kernel

Tastes: Bitter, slightly warm, slightly toxic
Meridians Entered: Lung and Large Intestine

Actions & Indications:

1. Stops coughing and calms wheezing
   Coughs due to either Heat or Cold (depending on combination) Wind-Dry coughs (especially useful)
2. Moistens the Intestines and unblocks the bowels
   Constipation

Standard Dosage: 3-10g in decoction.
Cautions: It should not be overused for its slight toxicity. It should be used with cautions for infants and patients with diarrhea.

Pinyin: Niu Bang Zi  Chinese: 牛蒡子
Pharmaceutical: Fructus Arctii
Taxonomy: Arctium lappa
English: Burdock Seed

Tastes: Pungent, bitter, cold
Meridians Entered: Lung and Stomach

Actions & Indications:

1. Disperses Wind-Heat and benefits the throat
   Wind-Heat with fever, cough and sore throat
2. Relieves Toxicity and vents rashes
   Carbuncles, red swellings, early-stage measles, mumps, erythema, acute febrile maculo-papular rashes
   Incomplete expression of rashes
   Pruritic rashes due to Wind-Heat
3. Moistens the Intestines
   Wind-Heat toxins where there is also Internal Heat causing constipation
   Constipation associated with other forms of toxicity such as acne

Standard Dosage: 6-12g in decoction.
Cautions: It is not suitable for deficiency-cold loose stool because of its cold property and the action of lubricating the intestines.

Pinyin: Nuo Mi  Chinese: 糯米
Pharmaceutical: Semen Oryzae Glutinosae
English: Glutinous Rice

Tastes: Sweet, warm
Meridians Entered: Spleen, Stomach and Lung

Actions & Indications:

1. Augments the Spleen and Stomach and Tonifies Qi
   Diabetes Spontaneous perspiration Diarrhoea

Standard Dosage: 30-60g in decoction.

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.