Pinyin: Sheng Di Huang  Chinese: 生地黃
Pharmaceutical: Radix Rehmanniae
Taxonomy: Rehmannia glutinosa
English: Chinese Foxglove Root / Rehmannia Root

Tastes: Sweet, bitter, cold
Meridians Entered: Heart, Liver, Stomach and Kidney

Actions & Indications:

1. Clears Heat and cools the Blood
   Ying Stage Heat with high fever, thirst and a scarlet tongue
   Xue Stage Heat
   Hemorrhage due to Blood Heat
2. Nourishes Yin, generates fluids, increases saliva and treats wasting and thirsting
   Yin Deficiency with Heat signs
   Injury to fluids
   Throat pain due to Yin Deficiency
   Wasting and thirsting disorder (消渴 Xiao Ke - diabetes)
3. Cools Heart Fire
   Heart Fire
4. Calms the Spirit agitated by Parasites damaging the Yin
   Gu Sydnrome (Fruehauf, 1998)
   Chronic inflammatory disease (Fruehauf, 2015)
5. Breaks up Blood Stasis, expels Cold and Hot Bi, replenishes Bone Marrow and promotes the growth of Muscles and Flesh
   Broken bones or severed sinews from falls and a damaged center (Shen Nong Ben Cao Jing)
6. 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 prevent forgetfulness. 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 diarrhea, abdomen distention due to spleen deficiency.

Pinyin: Mu Tong  Chinese: 木通
Pharmaceutical: Caulis Akebiae seu Caulis Clematis
Taxonomy: Akebia trifoliata, A. quinata, A. trifoliata var. australis seu Clematis armandii
English: Akebia or Clematis Stem

Tastes: Bitter, cool
Meridians Entered: Heart, Small Intestine and Bladder

Actions & Indications:

1. Promotes urination and unblocks painful urinary dysfunction
   Damp-Heat Painful Urinary Dysfunction (Lin Syndrome) with dribbling, painful and rough urination
   Oedema and ascites
2. Drains Heart Heat through the Small Intestine
   Small Intestine Shi Heat with irritability accompanied by mouth or tongue sores and scanty urination
3. Promotes lactation and unblocks Blood vessels
   Lactation Insufficiency
   Amenorrhea and pain and stiffness of the joints (Heat Bi)

Standard Dosage: 3-6g in decoction.
Cautions: It is contraindicated for qi deficiency, spermatorrhea and pregnant women.

This herb is prohibited from use in the UK under the banned and restricted herbal ingredients list issued by the MHRA because it can also refer to Aristolochia manshuriensis (Guan Mu Tong) which contains toxic aristolochic acid. In some European countries with statutory testing of imports the species can be identified but the UK has chosen to ban all species to avoid regulation. It is generally substituted with Qu Mai or Tong Cao.

Pinyin: Gan Cao Shao  Chinese: 甘草梢
Pharmaceutical: Apex Radicis Glycyrrhizae
Taxonomy: Glycyrrhiza uralensis seu glabra
English: Licorice Root Tips

Tastes: Sweet, cold
Meridians Entered: Heart, Liver and Spleen

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
6. Moderates and harmonizes the harsh properties of other herbs and guides the herbs to all twelve channels
    

Standard Dosage: 1.5-4.5g in decoction.
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.

Pinyin: Dan Zhu Ye  Chinese: 淡竹叶
Pharmaceutical: Herba Lophatheri
English: Bamboo Leaves and Stem

Tastes: Cold, bitter, sweet and bland
Meridians Entered: Small Intestine, Lung and Stomach

Actions & Indications:

1. Clears Heat and eliminates irritability
   Internal Heat patterns with irritability, restlessness, dry mouth and thirst
   Mouth and lip ulcers ulcers due to Heat in the Heart or Stomach channels
2. Promotes urination and clears Damp-Heat
   Rough, scanty, painful urination
   Especially useful for Heat in the Small Intestine channel with rough, scanty, painful urination, irritability and a dark, red tip of the tongue

Standard Dosage: 5-15g in decoction.