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: Shan Zhu Yu / Shan Yu Rou  Chinese: 山茱萸 / 山萸肉
Pharmaceutical: Fructus Corni
Taxonomy: Cornus officinalis
English: Dogwood Fruit

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

Actions & Indications:

1. Stabilizes the Kidneys and astringes Jing and Body Fluids
   Leakage of fluids due to weak Jing with urinary frequency, incontinence, spermatorrhea and excessive sweating
2. Stops excessive sweating and supports that which has collapsed
   Collapse of Qi with excessive sweating and shock
   Devastated Yang with excessive sweating and shock
   Sweating mistakenly induced as a treatment
3. Tonifies Liver and Kidney Yin and strengthens Kidney Yang
   Lightheadedness, dizziness, soreness and weakness of the lower back and knees or impotence due to Kidney and Liver Yin Deficiency and Kidney Yang Deficiency
4. Stabilizes the menses and stops bleeding
   Excessive uterine bleeding and prolonged menstruation due to Deficiency (weak effect)
5. Expels Cold-Dampness and Evil Qi
   The Shen Nong Ben Cao Jing places this in the middle class of woods and says it treats "evil qi below the heart and cold and heat. It warms the centre and expels Cold-Damp Bi."
6. Aids fasting
   The Shen Nong Ben Cao Jing says this herb can, with protracted taking, make the body light. 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).
7. Removes the Three Worms
   The Shen Nong Ben Cao Jing also says that it removes the Three Worms. These may refer to difficult to treat metabolic disorders caused by overindulgence and should be accompanied by fasting, meditation and exercise regimes.

Standard Dosage: 5-10g in decoction.

Pinyin: Shan Yao  Chinese: 山药
Pharmaceutical: Rhizoma Dioscoreae
Taxonomy: Dioscorea polystachya syn. batatas
English: Chinese Yam / Shu Yu

Tastes: Sweet, neutral
Meridians Entered: Spleen, Lung and Kidney

Actions & Indications:

1. Tonifies the Spleen, nourishes Stomach Yin and stops diarrhoea
   Spleen or Stomach Deficiency with diarrhoea, fatigue, spontaneous sweating and anorexia
2. Tonifies Lung Qi and nourishes Lung Yin
   Lung Qi and/or Yin Deficiency with chronic cough
3. Tonifies Kidney Yin and astringes Jing
   Kidney Qi Deficiency with spermatorrhea, urinary frequency and vaginal discharge
   消渴 Xiao Ke due to Qi and Yin Deficiency
4. Aids fasting
   Mentioned in the Shen Nong Ben Cao Jing as part of the superior class of herbs which can, with protracted taking, sharpen the ears and eyes, make the body light, make one free from hunger 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). Despite being a starchy vegetable, this may still have been an appropriate addition to a ketogenic diet as the starches are mostly resistant and many of its other compounds have been shown to have blood glucose reducing effects, making it a potential important source of this essential nutrient group while engaging in a low carbohydrate diet.

Standard Dosage: 5-30g in decoction. Very large doses, up to 500g have been used in trials for diabetes management.

Pinyin: Ze Xie  Chinese: 澤瀉
Pharmaceutical: Rhizoma Alismatis
Taxonomy: Alisma plantago-aquatica seu orientale
English: Water Plantain Rhizome

Tastes: Sweet, bland, cold
Meridians Entered: Kidney and Bladder

Actions & Indications:

1. Promotes urination and leaches out Dampness
   Stagnation due to Dampness with urinary difficulty, painful urinary dysfunction, diarrhoea and dizziness
   Especially useful for Damp-Heat in the Lower Jiao
2. Settles Ministerial Fire in the Kidneys by draining Damp-Heat from the lower Jiao
   Spermatorrhea due to Damp-Heat in the Lower Jiao disturbing the ministerial Fire of the Kidneys
3. Drains Kidney Fire
   Kidney Yin Deficiency with Fire Rising
4. Aids fasting
   Mentioned in the Shen Nong Ben Cao Jing as part of the superior class of herbs which can, with protracted taking, sharpen the ears and eyes, make one free from hunger, prolong life, make the body light, render the face brilliant, and enable one to walk over water. 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: 4.5-15g in decoction. Sometimes up to 30g in extreme cases.
Cautions: Overdose, extended use or combination with diuretic drugs could cause electrolyte imbalance due to diuretic effect.

Pinyin: Fu Ling  Chinese: 茯苓
Pharmaceutical: Poria
Taxonomy: Poria cocos syn. Wolfiporia extensa
English: China-Root / Hoelen / Tuckahoe / Indian Bread

Tastes: Sweet, bland, neutral
Meridians Entered: Heart, Spleen, and Kidney

Actions & Indications:

1. Strengthens the Spleen and harmonizes the Middle Jiao
   Spleen Deficiency Dampness with anorexia, diarrhoea and epigastric distention
2. Strengthens the Spleen
   Phlegm Dampness due to Spleen Deficiency with thin mucus in which Phlegm moves upward manifesting as palpitations, headache, dizziness and a thick, greasy tongue coat
3. Promotes urination and leaches out Dampness
   Urinary difficulty, diarrhoea or oedema due to Stagnation of Fluids or Dampness
4. Quiets the Heart, calms the Spirit and soothes the nerves
   Palpitations, insomnia or forgetfulness due to either Spleen and Heart Insufficiency or Internal Obstruction of Turbid 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, quiet the Hun, nourish the Shen, make one free from hunger 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: 9-15g in decoction.
Cautions: It is contraindicated for spermatorrhea due to deficiency-cold.

Pinyin: Mu Dan Pi  Chinese: 牡丹皮
Pharmaceutical: Cortex radicis Moutan
Taxonomy: Paeonia suffruticosa
English: Tree Peony Root Bark / Moutan Peony Root Bark

Tastes: Bitter, pungent, light cold
Meridians Entered: Heart, Liver and Kidney

Actions & Indications:

1. Clears Heat and cools (and harmonizes) the Blood
   Xue Stage Heat with epistaxis, hemoptysis, hematemesis or subcutaneous bleeding
   Menorrhagia due to Blood Heat
2. Clears Deficiency Fire
   Yin Deficiency Heat signs especially in the aftermath of Warm Febrile Disease with fever at night and coolness in the morning (most appropriate when the is no sweating)
3. Invigorates the Blood and dispels Blood Stasis
   Blood Stasis with amenorrhea, abdominal masses, lumps or bruises due to trauma
   Liver Blood Stagnation
4. Clears Liver Fire
   Liver Fire with headache, eye pain, flank pain, flushing and dysmenorrhea
5. Drains pus and reduces swelling
   Non-draining sores (topical)
   Intestinal abscesses (internal)

Standard Dosage: 6-12g in decoction.
Cautions: It is contraindicated in cases of profuse menstruation and pregnant women.

Pinyin: Rou Gui  Chinese: 肉桂
Pharmaceutical: Cortex Cinnamomi
Taxonomy: Cinnamomum cassia
English: Cinnamon Bark

Tastes: Pungent, sweet, hot
Meridians Entered: Kidney, Spleen, Heart and Liver

Actions & Indications:

1. Warms the Kidneys, Spleen and Heart and strengthens Yang and Ming Men Fire
   Kidney Yang Deficiency and Deficiency of Ming-Men Fire with aversion to Cold, cold limbs, weak back, impotence and urinary frequency
   Spleen and Kidney Yang Deficiency with abdominal pain and Cold, reduced appetite and diarrhoea
   Kidney Unable to Grasp Qi
   Heart Yang Deficiency, particularly with chest Bi
2. Disperses deep Cold, warms the channels, unblocks the channels and vessels and alleviates pain
   Deep Cold causing Qi Stagnation or Blood Stasis with Cold in the Blood causing amenorrhea or dysmenorrhea, Cold-Damp Bi, Yin-type boils (chronic sores that are usually concave and ooze a clear fluid) and sores or abscesses that do not heal
   It enters the Blood aspect and, in small amounts, enhances the Blood moving action of other substances
3. Leads the Fire back to its source
   Upward Floating of Deficient Yang (False Heat, True Cold or Heat Above and Cold Below) with flushed face, wheezing, severe sweating (the sweat pours out like oil), weak and cold lower extremities and a deficient and rootless pulse
   Any condition with Heat in the Upper body (dry mouth, sore throat, or teeth which is worse at night) and Cold in the Lower body (Lower back pain, cold lower extremities, diarrhoea and weakness in the proximal portion of the pulse)
4. Assists in the generation of Qi and Blood
   Chronic Qi and Blood Deficiency (auxiliary)
5. Aids fasting
   Mentioned in the Shen Nong Ben Cao Jing as part of the superior class of herbs which can, with protracted taking, enable one to communicate with spirits, 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: 1-5g in decoction. It should be decocted later.
Cautions: It is contraindicated for syndrome of yin deficiency with fire effulgent, haemorrhage due to blood heat and pregnant women. It is incompatible with Chi Shi Zhi (nineteen incompatibilities).

Pinyin: Fu Zi  Chinese: 附子
Pharmaceutical: Radix Aconiti Lateralis Praeparata
Taxonomy: Aconitum carmichaeli
English: Wolf's-bane Root / Monkshood Root / Aconite Root

Tastes: Pungent, sweet, hot, toxic
Meridians Entered: Heart, Kidney and Spleen

Actions & Indications:

1. Restores Devastated Yang and rescues from rebellion
   Devastated Yang with diarrhoea containing undigested food, chills, cold extremities and a faint almost imperceptible pulse (often as a result of severe vomiting, diarrhoea or sweating)
2. Warms Ming Men Fire and assists Heart, Kidney and Spleen Yang
   Heart Yang Deficiency
   Spleen Yang Deficiency
   Kidney Yang Deficiency
3. Disperses Cold and Dampness, warms the channels and stops pain
   Wind-Damp-Cold Bi
   Cold blocking the organs, channels, bones and Blood vessels
   Yin flat abscesses
   Gu Parasites / chronic inflammatory disease (Fruehauf, 2015)

Standard Dosage: 3-15g in decoction. Fire Spirit practitioners prescribe doses of 60-200g per day (Fruehauf, 2009).
Cautions: It is contraindicated for heat syndrome, yin-deficiency leading to hyperactivity of yang and the pregnant because of its pungent, hot, dry and drastic properties. It must be soaked and decocted for about half and hour to one hour until numbing taste disappears for oral use. Over-dosage and incorrect processing must be avoided.

This herb is prohibited from use in the UK under the banned and restricted herbal ingredients list issued by the MHRA. It is generally substituted with various Yang tonics depending on the presentation although none can imitate its powerful cardiovascular effects making them ineffective substitutes for rescuing devastated Yang. External use is permitted at 1.3% or below.

Pinyin: Chuan Niu Xi  Chinese: 川牛膝
Pharmaceutical: Radix Cyathulae
Taxonomy: Cyathula officinalis
English: Hookweed Root / Cyathula Root

Tastes: Sweet, slightly bitter, neutral
Meridians Entered: Liver and Kidney

Actions & Indications:

1. Invigorates the Blood, dispels Blood Stasis and unblocks the menses
   Blood Stasis leading to dysmenorrhea or amenorrhea
   Pain due to traumatic injury
2. Expels Wind and drains Dampness
   Wind-Damp Bi pain (especially in the lower back) and atrophy and spasm of the lower extremities
3. Promotes urination and treats dysuria
   Painful urinary dysfunction
4. Descends Blood and Fire
   Abnormal bleeding due to Fire Flaring Upwards with hematemesis, epistaxis, toothache ulceration of the mouth and tongue, dizziness and headache
5. Tonifies the Kidneys and Liver and strengthens the tendons and bones
   Lower back and knee soreness, weakness and pain

Standard Dosage: 6-10g in decoction.
Cautions: It is contraindicated for menorrhagia, pregnancy and spermatorrhea.

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.