[Product
Name] Rehmannia Extract
[Other
Name] Chinese Foxglove extract
[Specification] 10:1
[Botanical
Name]
Rehmannia glutinosa Libosch.
[About
Prepared Rehmannia Extract]
Sometimes known as Chinese Foxglove due to its
superficial resemblance to the genus Digitalis, the species of Rehmannia are
perennial herbs.
[Major
Chinese medicine actions]
1)Rehmannia has been used extensively in traditional
Chinese medicine (TCM). Although thorough clinical trials are lacking,
rehmannia has been used to treat rheumatoid arthritis, asthma, urticaria, and
chronic nephritis in Chinese studies. Rehmannia may also be used to prevent the
suppressive effects of corticosteroid drugs on endogenous levels.
2)Rehmannia looks promising in treating aplastic anemia,
mitigating side-effects of chemotherapeutic agents and HIV medications, curing
obdurate eczema, relieving pain from lung or bone cancer or disc protrusion,
and helping ameliorate lupus nephritis and type 2 diabetes with hyperlipidemia.
However, presently, there are no high-quality, large randomized, controlled
trials supporting the efficacy of rehmannia for any of these indications.
3)Rehmannia is generally regarded as safe when used
short-term (less than 3-4 months). Few case-reports document adverse effects of
rehmannia noting hypoglycemia, hemorrhage, and fever. Often rehmannia is used
in combination with other herbs, making it difficult to assess which effects
are truly due to rehmannia or other ingredients.
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