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Common Name
Rehmannia
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Botanical Name
Rehmannia glutinosa
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Part Used
Root
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Clinical Summary
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Monograph
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Alcohol
30%
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Dose
15 to 30mL weekly
Rehmannia supports adrenal gland function. Other effects include an anti-inflammatory action in allergies, fibromyalgia and autoimmune diseases such as rheumatoid arthritis, multiple sclerosis and psoriasis. Its tonic, immune regulating, adaptogen and anti-inflammatory actions make it useful for endometriosis. Rehmannia may also protect against the suppressive effects of corticosteroid therapy and chemotherapy.
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Traditional Use
Rehmannia has been widely used in traditional Chinese medicine (TCM) for more than 2000 years. It is renowned as a longevity herb that has the ability to balance the “yin”. According to TCM yin deficiency in the kidneys is closely associated with exhaustion and fatigue.
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Actions
Adaptogen, antipyretic, adrenal tonic/trophorestorative, antihaemorrhagic, anti-inflammatory, mild laxative, immune regulating
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Indications
• Menopausal symptoms, endometriosis
• Rheumatoid arthritis, osteoporosis, fibromyalgia, multiple sclerosis
• Asthma
• Allergies, urticaria, psoriasis, skin rashes
• Chronic nephritis (inflammation of the kidney)
• Fevers
• Adrenal function support
• Constipation
• Diabetes
• Insomnia
• To protect against the suppressive effects of corticosteroid therapy and chemotherapy -
Energetics
Cooling
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Use in Pregnancy
Not recommended due to lack of sufficient data. In TCM its use is endorsed.
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Contraindications & Cautions
Contraindicated in transplant recipients, or those taking therapeutic immunosuppressives. Avoid in diarrhoea and lack of appetite due to possible irritation of gastrointestinal tract; also where there is a known allergy/hypersensitivity to rehmannia, any of its constituents or members of the Orobanchaceae family.
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Drug Interactions
Caution with antidiabetic drugs. May be beneficial with irbesartan (sold under the brand name Avapro among others. A medication used to treat high blood pressure, heart failure and diabetic kidney disease) – medical supervision recommended.
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Dietary Information
Vegan friendly. Gluten and dairy free
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Substitutes
Liquorice