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Botanical illustration of Gastrodia Elata Rhizome
MedicinalSourced entry

Gastrodia Elata Rhizome

Gastrodia elata

Tian ma, the tuber of an orchid recorded over 2,000 years ago and used in Chinese medicine for headache, dizziness, high blood pressure and stroke. Research is mostly in the lab and in animals.

What is Gastrodia Elata Rhizome?

Plant family
Orchidaceae, the orchid family
Parts used
The dried tuber (rhizome) of an orchid
Genus
Gastrodia
Species
elata

Also called

Gastrodia, Rhizoma Gastrodiae, Gastrodia Elate Rhizome

Traditional names

Tian Ma, Tianma

Traditionally used for

  • Headache and dizziness (traditional)
  • High blood pressure (traditional)
  • Stroke and numbness (traditional)

Traditionally described as

  • Protected nerve cells (in animal studies)

Health topics

Where Gastrodia Elata Rhizome appears in symptom search, and why. Being listed doesn't mean it's a proven treatment.

  • Headache

    A classic Chinese herb for headache and dizziness. Not well tested in trials.

  • High Blood Pressure

    Traditionally used for high blood pressure; lowered it in animal studies. Not well tested in trials.

Traditions that use it

  • Traditional Chinese Medicine

    Called tian ma; recorded in the Shennong Herbal Classic over 2,000 years ago and used for headache, dizziness, high blood pressure, stroke and numbness.

What does the research say?

Traditional use

These are traditional uses, not proven treatments.

  • Tian ma is the dried tuber of an orchid, recorded in the Shennong Herbal Classic over 2,000 years ago. It's used in China, Korea, Japan and Russia, mainly for:

    • Headache and dizziness
    • High blood pressure
    • Stroke, one-sided weakness and numbness in the limbs
    • Arthritis

    It's usually taken as a decoction, often with other herbs such as chuanxiong.[1]

Laboratory & animal research

Lab and animal results show what might be worth studying in people. They don't show that the herb has these effects in humans.

  • In lab and animal studies, tian ma and its main compound gastrodin had calming and sleep-promoting effects, reduced seizures, protected nerve cells in models of Alzheimer's and Parkinson's disease, lowered blood pressure and protected the heart and blood vessels. Its compound gastrodin is used as a single-ingredient medicine in China, but clinical trials for newer uses are limited.[1]

Sources

  1. [1] From molecules to medicine: a systematic review of Gastrodia elata's bioactive metabolites and therapeutic potential · DOI: 10.3389/fphar.2025.1641443Review or clinical trial

This information is educational and traditional in nature, and is not a substitute for professional medical advice.