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Q. I am curious about a natural dietary supplement. It is Kan Jang (Andrographis paniculata) from the Swedish Herbal Institute. What is your opinion of using this to treat colds and prevent respiratory infections during the cold and flu season?
A. The Chinese herb Andographis boosts immune response in animals (International Immunopharmacology, April, 2007). A review of treatments for colds concluded that Andrographis and Eleutherococcus extracts are helpful (Alternative Medicine Review, March 2007). Kan Jang contains standardized extracts of both herbs. This product can be ordered at 877-282-5366 or online at www.proactivebio.com.
There’s more information about Kan Jang and other natural approaches in our Guide to Cold Remedies.




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I tried this herb in December when I came down with a cold at Christmas time ... my cold was gone after only two days.
I live in Sweden and work from home, so I rarely come down with colds. However, the other day I got a whopper--a sore throat, a horrible runny nose and a really bad cough, so I decided to try Kan Jang because I had heard a bit about it. Kan Jang is a popular cold remedy here along with Chi San, used for extra energy. Both are produced by the Swedish Herbal Institute and come in a bottle.
Anyway, I started on Kan Jang a day ago and was surprised by the results. My runny nose is completely gone and my cough has subsided dramatically. I also noticed that my postnasal drip that has been driving me nuts for a couple of years is gone. After the cold is gone I am hoping the Kan Jang will take care of the postnasal drip as well.
I really recommend this product.
I have been using this product (KoldKare from iherb.com) for more than three years for a chronic sinus condition and spring allergies. KanJang was originally prescribed by my sister's naturopath in Chicago. We could not find anywhere here in Sacramento, CA until someone suggested iherb.com which is located in southern California. Shortly after that, with the same packaging, KanJang became Kold Kare.
I take one in the morning and one in the evening for nasal stuffiness. During the spring, with pollen, dust, and grasses, I was able to give up nasal sprays and claritin by taking two tablets two times per day. I've tried Andrographis from other makers and found not found one that works as well as the Kold Kare formulation. My son had flu and a high fever, I gave him 2 tablets 4 times per day with 2 teaspoons of Sambucus three times per day...fever broke in 48 hours, he felt well enough to go to school after the third day.