The therapeutic effects of herbs certainly depends on their quality. At Jaseng, herbs are purchased directly from their ideal growing regions. Furthermore, herbs undergo a thorough quality inspection, and only those that are approved by GAP (Good Agricultural Practices) can be processed into medicine.

Premium herbs originated from the home of each herb

"Premium herbs that

originate from

the best regions"

Jaseng medicines are prepared by herbal specialists that follow a standardized method in high-quality herbal pharmacies.


preparation and


cooking methods"

Precise preparation and standardized cooking method

Premium quality herbs should not include toxic substances, such as pesticides or heavy metals, but be comprised of active ingredients that maximize their therapeutic effects. These herbs are usually processed into medical pills or extract. At Jaseng, there are dual chemical tests before and after the processing procedure.

Careful inspection before and after preparation



before and

after preparation"

Jaseng continues to scientifically prove the therapeutic effects of Jaseng’s medicines and treatments through ongoing research with various national and international research facilities. ‘Shinbarometion’, the main ingredient of Chuna therapy, acquired a U.S. substance patent. Also, one of Jaseng’s premier medicines, Yook Gong Dahn, has been shown to regenerate brain cells through research with the UCI Neuroscience Department.​



therapeutic effects"

Scientifically proven therapeutic effects