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Corydalis

Uses

Botanical names:
Corydalis turtschaninovii, Corydalis yanhusuo

Parts Used & Where Grown

Corydalis is an herb native to the Chinese province of Zhejiang. The portion of the plant that is used medicinally is the tuberous rhizome.1

What Are Star Ratings?

This supplement has been used in connection with the following health conditions:

Used for Why
2 Stars
Insomnia
Refer to label instructions
Corydalis contains several ingredients, one of which has been shown to influence the nervous system, providing pain relief and promoting relaxation.

contains several ingredients, one of which has been shown to influence the nervous system, providing pain relief and promoting relaxation. People with insomnia were able to fall sleep more easily after taking 100 to 200 mg per day of a corydalis extract (called dl-tetrahydropalmatine, or DHP), according to a preliminary report.People taking the extract reported no drug hangover symptoms, such as dizziness or vertigo.

2 Stars
Pain
Take an amount supplying 75 mg per day of tetrahydropalmatine (THP)
Preliminary reports indicate that THP (an alkaloid from the plant corydalis) may be effective in reducing nerve pain.

Preliminary reports from Chinese researchers also note that 75 mg per day of THP (an alkaloid from the plant ) was effective in reducing nerve pain in 78% of those tested.

1 Star
Cardiac Arrhythmia
Refer to label instructions
An active constituent in corydalis, dl-tetrahydropalmatine, may have an anti-arrhythmic effect on the heart.

An active constituent in , dl-tetrahydropalmatine (dl-THP), may exert an anti-arrhythmic action on the heart. This action was observed in a preliminary trial with 33 patients suffering from a specific type of arrhythmia called supraventricular premature beat or SVPB. Each patient took 300 to 600 mg of dl-THP per day in tablet form, and the dl-THP was found to be significantly more effective than placebo in reducing arrhythmia.

1 Star
Dysmenorrhea
Refer to label instructions
A constituent of corydalis called tetrahydropalmatine appears to heave pain-relieving and sedative effects. It has shown to be effective for painful menstruation.

contains several alkaloids, and one called tetrahydropalmatine (THP) is considered to be the most potent. In laboratory research, THP has been shown to exhibit a wide number of pharmacological actions on the central nervous system, including pain-relieving and sedative effects. According to a secondary reference, painful menstruation responded favorably to the administration of THP. For a pain-relieving effect, the recommended amount for the crude dried rhizome is 5–10 grams per day. Alternatively, one can take 10–20 ml per day of a 1:2 extract.

1 Star
Peptic Ulcer
Refer to label instructions
Corydalis extracts are useful in relieving pain and in treating stomach ulcers.

Extracts of the herb are not only helpful as pain-relief agents but also may be useful in the treatment of stomach ulcers. In a study of people with stomach and intestinal ulcers or chronic inflammation of the stomach lining, 90 to 120 mg of corydalis extract per day (equal to 5 to 10 grams of the crude herb) was found to be effective in 76% of the participants.

Traditional Use (May Not Be Supported by Scientific Studies)

In Traditional Chinese Medicine, corydalis is said to invigorate the blood, move qi (energy that travels through the body), and alleviate pain, including menstrual, abdominal, and hernial.2

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