Rehmannia
Scientific names: Rehmannia glutinosa.
Family: Scrophulariaceae
Alternate 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
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Per tablet:
- Rehmannia glutinosa (Rehmannia) ext. 1.75 mL
- Hemidesmus indicus ext. 100 mg
- Bupleurum falcatum ext. 1.4 mL
- Tanacetum parthenium ext. 33 mg
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Per tablet:
- Rehmannia glutinosa (Rehmannia) ext. 320 mg
- Cornus officinalis ext. 156 mg
- Dioscorea oppositifolia ext. 156 mg
- Ziziphus jujuba var. spinosa ext. 111 mg
- Paeonia suffruticosa ext. 92 mg
- Poria cocos ext. 92 mg
- Anemarrhena asphodeloides ext. 89 mg
- Alisma orientale ext. 92 mg
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Per capsule:
- Rehmannia glutinosa (Rehmannia) ext. 200 mg
- Withania somnifera ext. 160 mg
- Panax quinquefolius ext. 150 mg
- Schisandra chinensis ext. 100 mg
- Glycyrrhiza glabra ext. 25 mg
- Thiamine hydrochloride (Vitamin B1) 1.2 mg equiv. thiamine 1.07 mg
- Riboflavin 5-phosphate sodium (Activated B2) 1.6 mg equiv. riboflavin 1.22 mg
- Nicotinamide (Vitamin B3) 16 mg
- Calcium pantothenate (Vitamin B5) 6 mg equiv. pantothenic acid 5.5 mg equiv. calcium 500 μg
- Pyridoxal 5-phosphate (P5P) 1.7 mg equiv. pyridoxine 1.16 mg
- Biotin 30 μg
- Calcium folinate (Activated folate) 50 μg equiv. folinic acid 46.3 μg
- Hydroxocobalamin (Vitamin B12) 2.4 μg
Practitioner product
Per tablet:
- Rehmannia glutinosa (Rehmannia) ext. 200 mg
- Angelica polymorpha ext. 50 mg
- Dioscorea oppositifolia ext. 40 mg
- Paeonia lactiflora ext. 28.57 mg
- Bupleurum falcatum ext. 20 mg
- Cholecalciferol 2.5 μg equiv. vitamin D3 100 IU
- Vitex agnus-castus ext. 10 mg
- Calcium hydrogen phosphate dihydrate 350 mg equiv. calcium 81.6 mg equiv. phosphorus 63 mg
- Calcium amino acid chelate 50 mg equiv. calcium 10 mg
- Magnesium amino acid chelate 50 mg equiv. magnesium 10 mg
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Per capsule:
Practitioner product
Per tablet:
- Rehmannia glutinosa (Rehmannia) ext. 200 mg
- Rehmannia glutinosa (Rehmannia) ext. 633.33 mg
- Angelica polymorpha ext. 50 mg
- Dioscorea oppositifolia ext. 40 mg
- Paeonia lactiflora ext. 28.57 mg
- Bupleurum falcatum ext. 20 mg
- Ziziphus jujuba ext. 200 mg
- Vitex agnus-castus ext. 10 mg
- Magnesium amino acid chelate 50 mg equiv. magnesium 10 mg
- Cholecalciferol 2.5 μg equiv. vitamin D3 100 IU
- Calcium amino acid chelate 50 mg equiv. calcium 10 mg
- Calcium hydrogen phosphate 350 mg equiv. calcium 81.6 mg
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Per 1.2 g:
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Per capsule:
- Rehmannia glutinosa (Rehmannia) ext. 200 mg
- Withania somnifera ext. 8 mg
- Glycyrrhiza glabra ext. 125 mg
- Pyridoxal 5-phosphate monohydrate (P5P) 5 mg equiv. pyridoxine 3.19 mg
- Schisandra chinensis ext. 100 mg
- Panax ginseng ext. 150 mg
- Zinc glycinate 35.46 mg equiv. zinc 10 mg
- Chromium picolinate 140.8 μg equiv. chromium 17.5 μg
- Calcium folinate (Activated folate) 54.3 μg equiv. folinic acid 50 μg
- Biotin 35 μg
- Hydroxocobalamin (Vitamin B12) 10 μg
- Calcium pantothenate (Vitamin B5) 10.92 mg equiv. pantothenic acid 10 mg
- Nicotinamide (Vitamin B3) 15 mg
- Riboflavin 5-phosphate sodium (Activated B2) 3.29 mg equiv. riboflavin 2.5 mg
- Thiamine hydrochloride (Vitamin B1) 1.91 mg equiv. thiamine 1.5 mg
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Per tablet:
Practitioner product
Practitioner product
Per tablet:
Practitioner product
Per 0.9 g:
- Rehmannia glutinosa (Rehmannia) ext. 100 mg
- Cordyceps sinensis ext. 200 mg
- Asparagus cochinchinensis ext. 100 mg
- Eucommia ulmoides ext. 200 mg
- Lycium barbarum ext. 200 mg
- Cistanche salsa ext. 100 mg
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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.
