About Us

Pyunkang-Hwan is a health functional food researched and developed with the aim of maintaining good health by caring for the foremost organ of our body, the lung Dr. Seo Hyo-seok, the director of Pyunkang Korean Medicine Hospital, developed Pyunkang-Hwan as the result of more than 50 years of clinical research.

Understanding the importance of water

We use top-quality water for the boiling of the top-quality medicinal herb. Instead of using general spring water, we use distilled water that’s been filtered for the removal of heavy metals and contaminants.

Medicinal herbs of the highest quality

With an understanding of the importance of the quality of medicinal herbs, we at Pyunkang personally select the medicinal ingredients. We check the producer and collection period of every herb to ensure that all the ingredients we use are of the highest quality.

Proven as non-toxic food products

Pyunkang-Hwan has been approved as non-toxic food products by the Microbac Laboratories Inc. registered with the U.S. Food and Drug Administration (FDA).

On-site decoction using the state-of-the-art equipment

We implement a strict decoction process in order to enhance the effectiveness of the medicinal herbs. Using advanced decoction equipment, we decoct the medicinal herbs at a constant level to assure their efficacy. We also implement a strict sanitation control system throughout all the processes from manufacturing to packaging.




Protect your body by improving your lungs, which is the most crucial organ for your body’s qi

The common cold is a typical infectious condition of the respiratory system, and most people suffer from it at least a couple of times a year. However, just because it is prevalent, it doesn’t make it any less dangerous.
It is important that one understand the common cold is a source of various other problems including tonsillitis, rhinitis, bronchitis, sinusitis, otitis media, conjunctivitis, asthma, pharyngitis, and pneumonia. The respiratory system is the primary route of infection, which can occur during breathing. When the immune system and self-healing power of the body are below the normal level, the respiratory system becomes susceptible to various attacks from foreign matter including microorganisms. The central role of the respiratory system is played by the lungs, which is also the most crucial organ for our qi.

Neglecting the health of our lungs

The lungs are the site of energy exchange between our bodies and the external environment, and maintain the energy of the body. In order to stay healthy, we need to promote the lung functions and enhance the amount of energy we receive from nature. However, most people only use 1/6 of the lung capacity, and this means that the contaminated air and foreign matter that penetrate the body cannot be filtered out. The reduced lung functions have a negative impact on the tonsils and airway, and weakened tonsil function means lowered immunity and greater susceptibility to rhinitis, asthma and pneumonia. Also, the lungs also affect the skin and lowered lung functions can lead to atopic dermatitis and acne.

The lungs are the most crucial organ in our bodies

The main function of the lungs is to eliminate carbon dioxide and accept oxygen. Then, the oxygen is transported from the lungs to various parts of the body, including the organs, by the red blood cells (erythrocytes) in the bloodstream, while the white blood cells (leukocytes) help fight off the harmful microorganisms that enter our body such as bacteria, viruses, fungi and parasites.

Atopic dermatitis, rhinitis and asthma have the same root cause

In modern medicine, atopic dermatitis, rhinitis and asthma are distinguished as three separate issues, but Hospital Director Seo Hyo-seok takes on a different view as these three conditions have the same root cause. Elimination of the root cause can help get rid of the three conditions quickly and simultaneously. Conditions of which the underlying cause is a problem in the respiratory system include the common cold as well as rhinitis, tonsillitis, bronchitis, asthma, sinusitis, otitis media, conjunctivitis, pneumonia, bronchiectasis, atopic dermatitis, acne and psoriasis.

Clean and purify your lungs with Pyunkang-Hwan!

The essential part of treating a condition arising from a problem in the respiratory system is to clean and purify the lungs. Most people in modern society spend majority of their time (more than 80% of their day) indoors in enclosed rooms and offices. Research has shown that the degree of air pollution is higher inside buildings compared to the outdoors by about 2- to 5-fold, and this can lead to the sick building syndrome. Indoor air pollution is a major threat to people. So, it is recommended that you open the windows at least twice a day for ventilation, which helps get rid of the accumulating dust and receive fresh air from outside. This is also true for our bodies. Due to the everyday stress and irregular lifestyle, we need to clean and ventilate our lungs on a regular basis. Pyunkang-Hwan can help clean and purify our lungs, discharging the toxins and wastes that have been building up in our bodies, and it helps accept the original qi from nature for improved vitality of the lungs.



Notice: During the term of COVID-19 outbreak, there will be delay in order processing.
We apologize for any inconvenience and appreciate your patience and understanding.