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Summary:  | Slippery elm is native to eastern Canada, and the eastern and central United States. Its name refers its slippery consistency when the inner bark is chewed or mixed with water. Supplies of slippery elm have dwindled due to devastation by Dutch elm disease. Slippery elm is easily mistaken for other elms. |
Scientific Evidence: | Uses These uses have been tested in humans or animals. Safety and effectiveness have not always been proven. Some of these conditions are potentially serious, and should be evaluated by a qualified healthcare provider. | Grade* | | Cancer | C
| | Sore throat | C
| | Gastrointestinal disorders | C
| | Diarrhea | C
| | *Key to grades: A: Strong scientific evidence for this use; B: Good scientific evidence for this use; C: Unclear scientific evidence for this use; D: Fair scientific evidence against this use (it may not work); F: Strong scientific evidence against this use (it likely does not work). |
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Safety: | Avoid if allergic or hypersensitive to slippery elm. Avoid if pregnant or breastfeeding. |
Possible side effects: | Hives, miscarriage, rash. |
Possible interactions: | Slippery elm could either increase or slow down absorption of drugs, herbs or supplements taken by mouth. |
Dosing: Adults (18 years and older): | Decoctions, liquid extract, powdered inner bark, and teas have been used. | | 200-500mg tablets or capsules have been taken three or four times daily. |
Children (younger than 18 years): | Not enough scientific data available. |
  | Natural Standard Monograph(www.naturalstandard.com)
Copyright 2007 Natural Standard Inc. Commercial distribution or reproduction prohibited.
| The information in this monograph is intended for informational purposes only, and is meant to help users better understand health concerns. Information is based on review of scientific research data, historical practice patterns, and clinical experience. This information should not be interpreted as specific medical advice. Users should consult with a qualified healthcare provider for specific questions regarding therapies, diagnosis and/or health conditions, prior to making therapeutic decisions. Natural Standard evidence-based flashcard. Copyright 2007 (www.naturalstandard.com). Commercial distribution prohibited. This flashcard is intended for informational purposes only, and should not be interpreted as specific medical advice. Patients should consult with a qualified healthcare provider before making decisions about therapies and/or health conditions. While some complementary and alternative techniques have been studied scientifically, high-quality data regarding safety, effectiveness, and mechanism of action are limited or controversial for most therapies. Whenever possible, it is recommended that practitioners be licensed by a recognized professional organization that adheres to clearly published standards. In addition, before starting a new technique or engaging a practitioner, it is recommended that patients speak with their primary healthcare provider(s). Potential benefits, risks (including financial costs), and alternatives should be carefully considered. The below monograph is designed to provide historical background and an overview of clinically-oriented research, and neither advocates for or against the use of a particular therapy. |
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