Mu Xiang-Costus Root-Radix Aucklandiae

Mu Xiang, known as Costus Root or Aucklandia, is a warming and aromatic herb in Traditional Chinese Medicine (TCM) that is used to promote Qi movement, relieve pain, and improve digestion. It is commonly included in formulas for abdominal bloating, epigastric fullness, diarrhea, nausea, and poor appetite due to Qi stagnation. Mu Xiang is especially beneficial when Spleen and Stomach Qi are weak or obstructed by dampness or food accumulation.

Functions & Benefits

Promotes Qi Movement and Alleviates Pain
Used for abdominal and epigastric distension, bloating, cramping, and discomfort caused by stagnant Qi in the digestive tract.

Regulates Spleen and Stomach Function
Improves appetite, digestion, and food retention, particularly useful in individuals with sluggish or weak digestive fire.

Stops Diarrhea and Harmonizes the Middle Jiao
Treats loose stools, chronic diarrhea, and incomplete digestion caused by Qi deficiency or stagnation.

Prevents Stagnation from Tonic Herbs
Included in formulas to enhance the digestion of rich or cloying tonics, such as those that nourish Yin or Blood.

Indications
Individuals with bloating, gas, nausea, or poor digestion
People experiencing stomach or intestinal cramps and pressure after meals
Patients with diarrhea or weak appetite due to Qi stagnation or damp accumulation
Those using tonic formulas who need digestive support to prevent stagnation

Tongue & Pulse Diagnosis in TCM
Tongue: Pale or normal with a greasy coating (indicating damp or food stagnation)
Pulse: Wiry or slippery (suggesting Qi stagnation or damp obstruction)

Common TCM Patterns Treated by Mu Xiang
Qi Stagnation in the Middle Burner – Bloating, fullness, pain, belching
Spleen and Stomach Deficiency with Dampness – Poor appetite, fatigue, soft stools
Damp-Heat or Food Stagnation – Cramping, gas, and digestive sluggishness

Precautions & Contraindications
Not suitable for individuals with yin deficiency with heat signs or dry intestines.
Use with caution during pregnancy, especially in high doses.
Avoid long-term use in individuals with excess internal heat.

Conclusion
Mu Xiang is a powerful aromatic herb in TCM, valued for its ability to regulate Qi, relieve digestive pain, reduce bloating, and harmonize tonic formulas. Its role in supporting the Spleen and easing abdominal discomfort makes it a reliable herb for stagnation-related digestive complaints and Qi imbalances.