Jiao Gu Lan (绞股蓝; Jiǎo Gǔ Lán; Latin: Gynostemmatis Herba; English: gynostemma herb) is the dried above-ground part of a cucumber-family climber — the finely divided palm-shaped leaves and pale-green-yellow flowers of field edges and open woods, dried and cut, a quiet leaf that slips into teapots more often than people notice. It is neutral, sweet and bitter, enters the Spleen and Lung channels, and its core actions are to supplement qi and build the spleen, and to clear heat and toxin. It is the rare herb that both builds and cools — a gentle tonic for tired bodies with mild inner heat. The usual amount is 6–15 g in a decoction. It is a light piece — boil 10–15 minutes with the other herbs; no special first, last, or wrapped step. It is not a replacement for ginseng or medicines.
It is not Ren Shen. Ginseng is warm, sweet and slightly bitter — it greatly supplements the yuan qi, better for serious qi deficiency with cold limbs and faint breath; this gynostemma herb is neutral, sweet and bitter — it supplements gently while clearing mild heat, better for light fatigue with a dry mouth. It is not a heavy tonic; it is a level, gentle one. In marked cold-weak spleen-stomach — frequent stomach pain, fear of cold, loose stools — or in pregnancy, using it on your own is a poor match. Severe throat pain or high fever needs a clinic first. Do not take it yourself for a long time.
It is used most often for three patterns:
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Low energy, easy fatigue, poor appetite, shortness of breath after effort — spleen qi deficient
- Mild inner heat — a dry mouth, slight throat soreness, mouth sores, thick sticky phlegm from spicy food or irregular routines
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Marked cold-weak spleen-stomach, or high fever with severe throat pain — seek care / skip it
Neutral, sweet, and bitter, it is not a daily "energy-leaf tea" to keep drinking. Supplementing when there is no deficiency, or clearing when there is no heat, unsettles the body instead of helping.
When a fast life drains the qi and irregular food stokes inner heat — tired by day, dry-mouthed, easily fatigued — the body needs a build that does not clog and a clear that does not chill. Jiao Gu Lan is neutral, sweet, and bitter. It supplements the qi, builds the spleen, and clears mild heat, which is why it appears in Jiao Gu Lan Jian Pi Cha Fang (Gynostemma Spleen-Nourishing Tea Formula)–type formulas. It balances more than it pushes. In marked cold-weak spleen-stomach, more makes it worse.
Jiao Gu Lan is not a catch-all energy or heat herb. In marked cold-weak spleen-stomach, in pregnancy, or with severe heat, using it alone is a poor match. Whether it belongs in a formula, and at what dose, should be decided by a licensed Chinese medicine practitioner after pattern diagnosis.
