rehmannia flower


Rehmannia glutinosa – root

Rehmannia supports the adrenal cortex and is anti-inflammatory in autoimmune disease and allergies.

It is used extensively in traditional Chinese medicine (TCM). Rehmannia has been used to treat rheumatoid arthritis, asthma, urticaria (hives), and chronic nephritis (kidney inflammation) in Chinese studies.


  • Adrenal tonic.
  • Anti-inflammatory.
  • Anti-haemorrhagic.
  • Mild laxative.


  • Adrenal exhaustion.
  • Relief of mild fever, sore throat.
  • Skin complaints.
  • To support normal menstruation.

No known toxicity.

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.

The analysis of contents below is a guide only, product specific data including expiry date is with the item in the shop.

Rehmannia glutinosa 1:2. Each 1 ml contains 500mg of dry herb.

Liquid extract in 25% ethanol. Use 30 to 60 ml weekly.

Our clinic uses fluid extracts from Optimal Rx, Herbal Extract Company, Nutrition Care, Mediherb or Sunray Botanicals, in this order.

Use for menopausal symptoms, rheumatoid arthritis, asthma, urticaria.

Chronic nephritis (inflammation of the kidney).

Adrenal function support.