Rehmannia
Scientific names: Rehmannia glutinosa.
Family: Scrophulariaceae
Alternative names: Chinese Foxglove, Chinese Rehmanniae Radix, Chinese RR, Di Huang, Dihuang, Gun-Ji-Whang, Japanese Rehmanniae Radix, Japanese RR, Jio, Juku-Jio, Kan-Jio, R. Glutinosa, Racine de Rehmannia, Radix Rehmanniae, Rehmanniae, Rehmannia Glutinosa Oligosaccharide, Rehmannia Radac, Rehmanniae Radix, Rehmanniae Root, RR, Rhemannia Root, Rehmannia Steamed Root, RGAE, RGX, ROS, Saeng-Ji-Whang, Sheng Dihuang, Sho-Jio, Shu Di Huang, Shu Dihuang, Sook-Ji-Whang, To-Byun, Xian Dihuang
Actions: Antitumor properties, Endocrine, Hematological properties, Neurological properties, Renal properties
Background
Rehmannia (Rehmannia glutinosa) is a plant mainly grown in China. It's commonly used in combination with other herbs in Traditional Chinese Medicine (TCM).
Some chemicals in rehmannia might affect the immune system and nervous system. Rehmannia might also reduce pain and swelling.
People use rehmannia for kidney disease, anemia, obesity, diabetes, and many other conditions, but there is no good scientific evidence to support these uses.
Some chemicals in rehmannia might affect the immune system and nervous system. Rehmannia might also reduce pain and swelling.
People use rehmannia for kidney disease, anemia, obesity, diabetes, and many other conditions, but there is no good scientific evidence to support these uses.
Safety Safety definitions
When taken by mouth: Rehmannia is possibly safe when used for up to 8 weeks. It seems to be well-tolerated.
Surgery: Rehmannia might affect blood sugar levels. This might interfere with blood sugar control during and after surgery. Stop using rehmannia at least 2 weeks before a scheduled surgery.
Special Precautions & Warnings:
Pregnancy and breast-feeding: There isn't enough reliable information to know if rehmannia is safe to use when pregnant or breast-feeding. Stay on the safe side and avoid use.Surgery: Rehmannia might affect blood sugar levels. This might interfere with blood sugar control during and after surgery. Stop using rehmannia at least 2 weeks before a scheduled surgery.
Effectiveness
NatMed Pro rates effectiveness based on scientific evidence according to the following scale: Effective, Likely Effective, Possibly Effective, Possibly Ineffective, Likely Ineffective, Ineffective, and Insufficient Evidence to Rate.
Possibly effective Effectiveness definitions
- Long-term kidney disease (chronic kidney disease or CKD). Taking rehmannia by mouth along with the drug irbesartan might decrease the amount of protein in the urine in people with this condition.
Dosing & administration
Rehmannia is used in some Traditional Chinese Medicine (TCM) herbal combinations. But there isn't enough reliable information to know what an appropriate dose of rehmannia might be. Keep in mind that natural products are not always necessarily safe and dosages can be important. Be sure to follow relevant directions on product labels and consult a healthcare professional before using.
Interactions with pharmaceuticals
Medications for diabetes (Antidiabetes drugs)
Interaction Rating=Moderate Be cautious with this combination.
Rehmannia might lower blood sugar levels. Taking rehmannia along with diabetes medications might cause blood sugar to drop too low. Monitor your blood sugar closely.
Medications for high blood pressure (Antihypertensive drugs)
Interaction Rating=Moderate Be cautious with this combination.
Rehmannia might lower blood pressure. Taking rehmannia along with medications that lower blood pressure might cause blood pressure to go too low. Monitor your blood pressure closely.
Interactions with herbs & supplements
Herbs and supplements that might lower blood pressure: Rehmannia might lower blood pressure. Taking it with other supplements that have the same effect might cause blood pressure to drop too much. Examples of supplements with this effect include andrographis, casein peptides, L-arginine, niacin, and stinging nettle.
Herbs and supplements that might lower blood sugar: Rehmannia might lower blood sugar. Taking it with other supplements with similar effects might lower blood sugar too much. Examples of supplements with this effect include aloe, bitter melon, cassia cinnamon, chromium, and prickly pear cactus.
Herbs and supplements that might lower blood sugar: Rehmannia might lower blood sugar. Taking it with other supplements with similar effects might lower blood sugar too much. Examples of supplements with this effect include aloe, bitter melon, cassia cinnamon, chromium, and prickly pear cactus.
Interactions with foods
There are no known interactions with foods.
Products
View all products
Practitioner product
Per capsule:
- Rehmannia glutinosa (Di Huang) ext. 81.9 mg
- Angelica polymorpha ext. 81.9 mg
- Paeonia lactiflora ext. 81.9 mg
- Ligusticum striatum ext. 56.4 mg
Practitioner product
Practitioner product
Per capsule:
Practitioner product
Per capsule:
- Rehmannia glutinosa (Di Huang) ext. 74.94 mg
- Angelica polymorpha ext. 37.47 mg
- Paeonia lactiflora ext. 37.47 mg
- Paeonia veitchii ext. 37.47 mg
- Cyperus rotundus ext. 28.23 mg
- Ligusticum striatum ext. 28.14 mg
- Prunus persica ext. 28.14 mg
- Carthamus tinctorius ext. 28.14 mg
Practitioner product
Per capsule:
- Rehmannia glutinosa (Di Huang) ext. 74.63 mg
- Dioscorea oppositifolia ext. 49.76 mg
- Poria cocos ext. 37.34 mg
- Cornus officinalis ext. 24.87 mg
- Paeonia suffruticosa ext. 24.87 mg
- Alisma orientale ext. 37.31 mg
- Phellodendron amurense ext. 24.87 mg
- Anemarrhena asphodeloides ext. 24.87 mg
Practitioner product
Per capsule:
- Rehmannia glutinosa (Di Huang) ext. 58.08 mg
- Astragalus membranaceus ext. 29.04 mg
- Codonopsis pilosula ext. 29.04 mg
- Dioscorea oppositifolia ext. 29.04 mg
- Poria cocos ext. 29.04 mg
- Epimedium sagittatum ext. 29.04 mg
- Cuscuta hygrophilae ext. 29.04 mg
- Cornus officinalis ext. 23.19 mg
- Lycium barbarum ext. 23.19 mg
- Citrus reticulata ext. 11.61 mg
- Glycyrrhiza uralensis ext. 9.69 mg
Practitioner product
Per capsule:
Practitioner product
Per capsule:
- Rehmannia glutinosa (Di Huang) ext. 46.41 mg
- Astragalus membranaceus ext. 46.41 mg
- Epimedium sagittatum ext. 37.11 mg
- Morindae officinalis ext. 37.11 mg
- Cynomorium songaricum ext. 37.11 mg
- Cyperus rotundus ext. 27.84 mg
- Anemone altaica ext. 18.57 mg
- Polygala sibirica ext. 15.45 mg
- Schizandra chinensis ext. 15.45 mg
- Panax ginseng ext. 9.27 mg
- Cinnamomum cassia (bark) ext. 9.27 mg
Practitioner product
Per capsule:
- Rehmannia glutinosa (Di Huang) ext. 43.56 mg
- Biota orientalis ext. 12.09 mg
- Codonopsis pilosula ext. 21.78 mg
- Ophiopogon japonicus ext. 21.78 mg
- Cornus officinalis ext. 21.78 mg
- Dioscorea oppositifolia ext. 21.78 mg
- Poria cocos ext. 21.78 mg
- Inula britannica ext. 21.78 mg
- Epimedium brevicornum ext. 21.78 mg
- Perilla frutescens ext. 21.78 mg
- Prunus armeniaca ext. 21.78 mg
- Ziziphus jujuba ext. 24.18 mg
- Citrus maxima ext. 12.09 mg
- Glycyrrhiza uralensis ext. 12.06 mg
Practitioner product
Per capsule:
Practitioner product
Per capsule:
- Rehmannia glutinosa (Di Huang) ext. 42.87 mg
- Plantago asiatica ext. 42.87 mg
- Gentiana scabra ext. 32.13 mg
- Bupleurum falcatum ext. 32.13 mg
- Alisma plantago aquatica ext. 32.13 mg
- Scutellaria baicalensis ext. 32.13 mg
- Gardenia jasminoides ext. 32.13 mg
- Angelica polymorpha ext. 21.42 mg
- Tetrapanax papyriferus ext. 21.42 mg
- Glycyrrhiza uralensis ext. 10.77 mg
Practitioner product
Per capsule:
- Rehmannia glutinosa (Di Huang) ext. 36.6 mg
- Eucommia ulmoides ext. 29.28 mg
- Cullen corylifolium ext. 29.28 mg
- Achyranthes bidentata ext. 29.28 mg
- Dipsacus asper ext. 21.96 mg
- Epimedium brevicornum ext. 21.96 mg
- Angelica polymorpha ext. 21.96 mg
- Lycium barbarum ext. 21.96 mg
- Citrus aurantium ext. 21.96 mg
- Paeonia veitchii ext. 21.96 mg
- Spatholobus suberectus ext. 21.96 mg
Practitioner product
Per capsule:
- Rehmannia glutinosa (Di Huang) ext. 36 mg
- Salvia miltiorrhiza ext. 36 mg
- Achyranthes bidentata ext. 28.8 mg
- Paeonia lactiflora ext. 21.6 mg
- Paeonia obovata ext. 21.6 mg
- Prunus persica ext. 21.6 mg
- Carthamus tinctorius ext. 21.6 mg
- Ligusticum striatum ext. 21.6 mg
- Bupleurum falcatum ext. 21.6 mg
- Citrus aurantium ext. 21.6 mg
- Platycodon grandiflorus ext. 14.4 mg
- Glycyrrhiza uralensis ext. 12 mg
- Angelica polymorpha ext. 21.6 mg
Practitioner product
Per capsule:
- Rehmannia glutinosa (Di Huang) ext. 33 mg
- Triticum aestivum ext. 66.3 mg
- Ziziphus jujuba ext. 22.2 mg
- Albizia julibrissin ext. 19.8 mg
- Epimedium sagittatum ext. 19.8 mg
- Curculigo orchioides ext. 19.8 mg
- Lycium barbarum ext. 19.8 mg
- Eucommia ulmoides ext. 19.8 mg
- Loranthus parasiticus ext. 19.8 mg
- Morindae officinalis ext. 13.2 mg
- Glycyrrhiza uralensis ext. 11.1 mg
- Chrysanthemum sinense ext. 13.2 mg
- Lilium brownii ext. 22.2 mg
Practitioner product
Per capsule:
- Rehmannia glutinosa (Di Huang) ext. 32.7 mg
- Loranthus parasiticus ext. 32.7 mg
- Paeonia lactiflora ext. 32.7 mg
- Angelica pubescens ext. 26.1 mg
- Ligusticum striatum ext. 19.5 mg
- Cyathula officinalis ext. 19.5 mg
- Eucommia ulmoides ext. 19.5 mg
- Angelica polymorpha ext. 19.5 mg
- Notopterygium incisum ext. 19.5 mg
- Chaenomeles speciosa ext. 19.5 mg
- Dipsacus asper ext. 19.5 mg
- Cinnamomum cassia (bark) ext. 19.5 mg
- Cyperus rotundus ext. 13.2 mg
Practitioner product
Per capsule:
- Rehmannia glutinosa (Di Huang) ext. 31.7 mg
- Scutellaria baicalensis ext. 31.7 mg
- Salvia miltiorrhiza ext. 31.7 mg
- Crataegus pinnatifida ext. 31.7 mg
- Eriobotrya japonica ext. 31.7 mg
- Paeonia obovata ext. 31.7 mg
- Gardenia jasminoides ext. 31.7 mg
- Lonicera japonica ext. 31.7 mg
- Forsythia suspensa ext. 31.7 mg
- Glycyrrhiza uralensis ext. 13.19 mg
Practitioner product
Per capsule:
- Rehmannia glutinosa (Di Huang) ext. 30.9 mg
- Ziziphus jujuba var. spinosa ext. 24.9 mg
- Schizandra chinensis ext. 18.6 mg
- Biota orientalis ext. 24.9 mg
- Salvia miltiorrhiza ext. 30.9 mg
- Ophiopogon japonicus ext. 24.9 mg
- Poria cocos ext. 24.9 mg
- Angelica polymorpha ext. 24.9 mg
- Pseudostellaria heterophylla ext. 30.9 mg
- Scrophularia ningpoensis ext. 18.6 mg
- Polygala sibirica ext. 10.35 mg
- Platycodon grandiflorus ext. 10.35 mg
- Asparagus cochinchinensis ext. 24.9 mg
Practitioner product
Per capsule:
- Rehmannia glutinosa (Di Huang) ext. 30 mg
- Astragalus membranaceus ext. 37.5 mg
- Paeonia lactiflora ext. 30 mg
- Codonopsis pilosula ext. 30 mg
- Atractylodes macrocephala ext. 30 mg
- Angelica polymorpha ext. 22.5 mg
- Poria cocos ext. 22.5 mg
- Ziziphus jujuba ext. 22.5 mg
- Citrus reticulata ext. 15 mg
- Schizandra chinensis ext. 15 mg
- Polygala sibirica ext. 12.51 mg
- Zingiber officinale ext. 12.51 mg
- Glycyrrhiza uralensis ext. 12.48 mg
- Cinnamomum cassia (bark) ext. 7.5 mg
Practitioner product
Per capsule:
- Rehmannia glutinosa (Di Huang) ext. 29.1 mg
- Morus alba ext. 29.1 mg
- Poria cocos ext. 29.1 mg
- Angelica polymorpha ext. 29.1 mg
- Achyranthes bidentata ext. 29.1 mg
- Lycium barbarum ext. 29.1 mg
- Cuscuta hygrophilae ext. 29.1 mg
- Panax ginseng ext. 15 mg
- Astragalus membranaceus ext. 29.1 mg
- Cullen corylifolium ext. 22.2 mg
- Anemone altaica ext. 15 mg
- Polygala sibirica ext. 15 mg
Practitioner product
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This monograph was last reviewed on 12/09/2024 10:00:00 and last updated on 20/11/2014 19:32:03. Monographs are reviewed and/or updated multiple times per month and at least once per year.
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Natural Medicines rates safety based on scientific evidence according to the following scale: Likely Safe, Possibly Safe, Possibly Unsafe, Likely Unsafe, Unsafe, and Insufficient Evidence to Rate. For more information about Natural Medicines’ Safety Rating System, click here.
The Natural Medicines Effectiveness Ratings are assigned for specific indications. A product might be rated "Possibly Effective" for one condition, but be rated "Likely Ineffective" for another condition, depending on the evidence. For more info click here.
