Information on Rehmannia

Latin NameRehmannia glutinosa
Other NamesSheng di huang
Part UsedPrepared Root
Herb FormsBulk herb for teas, capsules, tablets.
AffectsBlood, Endocrine system, Urinary system
CautionsDo not use if you have weak digestion, lack of appetite, or diarrhea.
Botanical InfoA short-lived perennial herb of the Figwort family from China with large two-lipped redish flowers. The plant produces underground tubers and tends to spread in the garden.
DescriptionRehmannia is one of the most commonly used Chinese herbs for nourishing the adrenals and hormones (Kidney Yin tonic) when they have been weakened by stress, overwork, or overindulgence in sex. It is also taken for blood deficiency conditions with such symptoms as menstrual irregularity, anemia, insomnia, heart palpitations, and dizziness.
Rehmannia can be found in numerous over-the-counter formulas, both Chinese and Western.

Rehmannia has a taste of SWEET and a temperature of WARM.


Decoction1 cup 2-3 x daily

Ailments Treated by Rehmannia

AilmentTreatment SupportApplication
Adrenals, weakadrenal nourisherChinese patent formula called Rehmannia 6 (Liu Wei Di Huang Wan)
Hypoglycemiatonictea, capsule
Sexual energy, to decreaseadrenal tonictincture, tea, capsule, tablet
Tinnitismetabolic regulator, adrenal support herbtea, tablets or capsules with other similar herbs


McGuffin, M. et al. 1997. Botanical Safety Handbook. Boca Raton: CRC Press.
Bensky, D. and A. Gamble. 1986. Chinese Herbal Medicine. Seattle: Eastland Press.