Gastrodia elata has calming, analgesic, and anticonvulsant properties.
It can increase cerebral blood flow, reduce cerebral vascular resistance, mildly constrict cerebral blood vessels, and enhance coronary blood flow.
It has the ability to lower blood pressure, slow down heart rate, and offer protection against myocardial ischemia.
Gastrodia elata polysaccharides exhibit immunomodulatory activity.
Gastrodia elata is commonly used to treat various types of headaches, particularly those with a sensation of head fullness, dizziness, eye swelling and pain, and difficulty in movement or sitting up.

Caution：This product may contain sulfur. 
Recommended Dosage:

Oral Administration: Decoction, 1.5-3 qian (approximately 4.5-9 grams); or in pill or powder form.
Please Note:

Avoid prolonged use, and exercise caution in individuals with severe deficiency of Qi and blood.