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Ping Wei Pian
(Stomach Dampclear™)
An All Natural Chinese Herbal Supplement
Ping Wei Pian (Ping Wei San, Ping Wei Wan, Stomach Dampclear™, 平胃片) is an ancient Chinese herbal medicine that eliminates Dampness in the digestive tract. This formula is used for the TCM syndrome that includes abdominal distention, loss of appetite, loose stool, and nausea.
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    What does it do?

    Calms the Stomach To Relieve Abdominal Distention & Loss of Appetite

    It's day two of a week-long Caribbean cruise. So far, it's a blast. You're in the company of friends, both new and old, enjoying the company, the views and entertainment, and especially the bottomless glasses of wine and endless decadent desserts and appetizers. But something you're about to eat is going to quickly put a serious damper on your vacation….

    Maybe it was the bacon-wrapped shrimp. Or maybe it was the chocolate mousse. But something you ate is not cooperating with your belly. Your stomach is distended. You certainly do not feel like indulging anymore at the buffet. And as the stomach upset worsens, you may even feel a tinge of nausea. You feel heavy and sleepy. Hopefully, you won't have loose stool or vomiting.

    If you have Stomach Dampclear™ with you, you may not be down and out for the rest of the cruise. Stomach Dampclear is a traditional Chinese medicine (TCM) formula that's fast-acting. It may help clear damp accumulation in the spleen and stomach. This is one herbal formula you may want to consider having handy when you go on vacation (and at home, because you never know when stomach upset will strike).

    Time-tested formula dries dampness and harmonizes Spleen-Stomach relationship

    Stomach Dampclear is an ancient formula. It's Chinese name, Ping Wei Wan, means "Calm the Stomach Pills".

    Dating back 1000 years, this formula consists of six botanical herbs. These herbs synergistically dry dampness in the digestive tract and invigorates Spleen's transporting function, promotes the movement of Qi, and harmonizes the stomach.

    When talking about Spleen in TCM, it's quite different than "the spleen" organ of western anatomy. In TCM theory, Spleen is the primary organ system of digestion. Spleen's main function is to transform and transport nutrients.

    But when you eat foods like ice cream a lot, dampness can manifest in Spleen. (Sorry, ice cream is one of the biggest offenders in creating Spleen dampness.)

    And when dampness overloads the Spleen, Spleen's ability to function properly is impeded. Spleen dampness is apparent when the tongue presents with a white, greasy, thick coating.

    When dampness settles in the intestines, loose stools may occur.

    How does Stomach Dampclear work?

    The herbs in this TCM formula dry dampness and invigorate the Spleen, and regulate Spleen and Stomach Qi, thus harmonizing the middle Jiao.

    Cang Zhu (Atractylodes Rhizome) is a bitter, warming herb that directly influences the Spleen, Stomach and Liver Channels. It is best used to dry dampness and strengthens Spleen.

    Hou Po (Magnolia Bark), like Cang Zhu, dries dampness. It also influences the Large Intestine Channel. Moreover, it moves rebellious Qi downward, thereby resolving distention.

    Chen Pi (Dried Tangerine Peel), also bitter and warming, regulates Qi, invigorates Spleen, and harmonizes Stomach.

    Gan Cao (Licorice Root) is sweet and influences the Heart, Lung, Spleen and Stomach Channels. Its main action in Stomach Dampclear is tonifying the Spleen and augmenting Qi, as well as harmonizing the action of other herbs.

    Da Zao (Chinese Date), a sweet and warming herb, directly influences the Spleen and Stomach Channels and has the same actions as Gan Cao in this application.

    The last herb in the formula, is Sheng Jiang (Fresh Ginger). A famous herb for curbing nausea and vomiting, Sheng Jiang warms the Middle Burner (part of the Zang-fu organ system that consists of the abdominal area organs).

    Does research support Stomach Dampclear?

    Many studies in China have explored the use of Ping Wei San in gastrointestinal upsets. 1

    What is the formula composition?

    A proprietary blend of

    Rhizoma Atractylodis Lanceae
    Cortex Magnoliae Officinalis
    Pericarpium Citri Reticulatae
    Radix Glycyrrhizae Uralensis
    Fructus Jujubae
    Rhizoma Zingiberis Recens
    (Cang Zhu)
    (Hou Po)
    (Chen Pi)
    (Gan Cao)
    (Da Zao)
    (Sheng Jiang)
    What is Available?
    Guang Ci Tang® Ping Wei Pian (Stomach Dampclear™) 40 grams in 200 mg 200 tablets @ 5:1 strength.

    At a true 5:1 concentration, this product represents the most potent form of Ping Wei Pian (Wan) on the market. One tablet is equal to 1 gram of raw herb.

    Please note that Guang Ci Tang® Ping Wei Wan in the pill form, which has the same formulation as the tablet, is discontinued.

    Ping Wei Pian tablets are made with 100% natural herbs that are tested for authenticity, quality, and potency. A traditional water decoction is prepared with the herbs to reproduce the time-tested efficacy of the formula, and this water decoction is concentrated with our proprietary technology to form a potent extract that is made into easily absorbed tablets, which are remarkably effective, easy to use, and safe. The tablets are produced by Guang Ci Tang® in our state of the art cGMP-certified facility and imported in accordance with U.S. FDA guidelines. When you choose Guang Ci Tang® products, you are taking advantage of a wonderful fusion of science and tradition that incorporates the highest standards in the field of Chinese medicine today.

    Guang Ci Tang® Advantages
    Effective. Safe. Affordable
    • True 5:1 concentration
    • Double the strength of other brands
    • Minimal or no fillers and binders
    • No pharmaceuticals, sugar, or dyes
    • Comprehensive lab testing (e.g., heavy metals,etc.)
    • Made in a cGMP certified facility
    • Unbeatable value
    • Safely used in the USA since 1995

    Check for an independent US lab test report.

    How do I use it?

    The standard dosage for Stomach Dampclear™ is 5 tablets each time, taken 2 to 3 times daily with or before meals. One bottle lasts users 14 to 20 days. The dose may be doubled for a quicker and stronger response as needed (e. g., in an acute phase). Consult your practitioner for precise dosage recommendations based on body weight and other factors.

    Stomach Dampclear™ has a mild action and therefore it usually takes time before its effects become apparent. It may take one month or more before symptoms begin to improve. An initial course of treatment is suggested as 6 bottles taken at the full dose.

    1. Avoid oily, cold, and hard to digest food.
    2. Not suitable for concerns coexisting with thirst and dry stool.
    3. Not suitable for acute gastricintestinal disorder due to infection.
    4. Use with caution during pregnancy.
    5. Use with caution for old weak people.
    6. As major herbs are dry and warm in the formula, do not use the product for an extended period.
    7. Consult your herbalist or physician before use if you are taking other medicines.
    8. Keep out of reach of children.


    1. Liu Y. et al., Recent Clinical applications of Ping Wei San. Int J Trad Chin Med, February 2012, Vol. 34, No.2 (in Chinese)
    Stomach Dampclear™ (Ping Wei Pian) is rated 4.9 out of 5 by 7.
    Rated 5 out of 5 by from This product is excellent! I bought this product to replace stomach comfort. I have found my complete healing from heartburn and acid reflux. I am glad the ingredients for Stomach Dampclear™ (Ping Wei Pian) are helping me and giving me extra benefits (skin, energy and in general improving my digestion). I really recommend this product!
    Date published: 2014-03-15
    Rated 5 out of 5 by from Works great Anytime I have indication of heartburn, especially at night I take 2-4 of them and effect is immediate, better than any other pharmaceutical I was taking before
    Date published: 2016-04-07
    Rated 5 out of 5 by from Best I have being using it for a couple of years, nothing was helping with my acid reflux problem this works, and within minutes
    Date published: 2018-02-19
    Rated 5 out of 5 by from As good as it gets! Great qualitiy for a fair price
    Date published: 2015-12-27
    Rated 4 out of 5 by from Good This product is probably really good but it wasn't what I needed to clear dampness and so I didn't really see any benefits like I do with other digestive formulas.
    Date published: 2019-03-06
    Rated 5 out of 5 by from Stomach Drdamper It does help after dinner My accupuncturist put me on it Give it a try If digestion is a issue
    Date published: 2019-01-13
    Rated 5 out of 5 by from Works great! This medicine did stop my diarrhea in a couple dosage.
    Date published: 2018-08-14
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