Rehmannia
The kidney tonic for adrenal support and vitality.
Also known as: Rehmannia glutinosa • Chinese Foxglove
Overview
Rehmannia is a key herb in TCM for nourishing the kidneys and adrenal glands. It is used to treat a wide range of conditions, including adrenal fatigue, autoimmune disorders, and hormonal imbalances. It is considered a blood tonic and is often used to treat anemia.
Key Benefits
Adrenal Support
Nourishes the adrenal glands and helps the body cope with stress.
Kidney Health
A key herb in TCM for supporting kidney function.
Autoimmune Regulation
May help to modulate the immune system and reduce inflammation.
Dosage & How to Take
500-1000 mg of prepared root extract per day
| Purpose | Dose | Notes |
|---|---|---|
| Adrenal and kidney support | 500 mg/day | Use prepared, not raw, root |
Best Time to Take
Can be taken with or without food
With or Without Food
Not required
Forms & Bioavailability
| Form | Absorption | Best For | Notes |
|---|---|---|---|
| Prepared Root Extract | High | General use | Raw root can cause digestive upset |
| Root Powder | Medium | Traditional preparations | Ensure it is prepared |
Side Effects & Safety
Common
- Diarrhea
- nausea
Rare
- Bloating
Contraindications
- Diarrhea-predominant IBS
- pregnancy
Interactions
May enhance the effects of diuretics
Scientific Research
Rehmannia and Adrenal Function
Studies suggest rehmannia can help to restore normal adrenal function.
Food Sources
Frequently Asked Questions
Medical Disclaimer
This content is for educational and informational purposes only and is not intended as medical advice. Always consult with a qualified healthcare professional before starting any supplement regimen, especially if you have pre-existing health conditions or are taking medications. The statements on this page have not been evaluated by the Food and Drug Administration.