5 Health Benefits of Rehmannia

Dr. Morgan Camp M.D.

IN BRIEF

If you don't know Rehmannia yet, this root is worth taking hold of! Also known as Chinese foxglove, this is one of the most important herbs in Traditional Chinese Medicine.

When it comes to herbal supplements, Rehmannia root is a plant that has been used medicinally for thousands of years. Mainly grown in Asia and also known as Chinese Foxglove, Rehmannia is counted as one of the 50 most important herbs in traditional Chinese medicine. (1)  

Typically, Rehmannia root was prepared by steaming it ten times and drying it nine times in the sun. The root is often steamed in wine until both the insides and outsides turn black and moist. Rehmannia can also be used raw on its own or in a formula with other herbs.

5 Health Benefits Of Rehmannia 

Rehmannia root has been used in traditional medicine for hundreds of years and has a large spectrum of beneficial properties. For certain medical problems, it has therapeutic advantages and is one of the most common tonic herbs in Traditional Chinese medicine.

Many of the health benefits of Rehmannia derive from its potential to act as an adaptogen. This is an herb that in times of stress will provide relaxation, energy during times of exhaustion, and peace of mind in times of uncertainty. This amazing plant, intelligent by nature, is capable of regulating the release of stress hormones from the adrenal glands, thus helping to preserve intrinsic immune function by assisting the body to adapt to various different stressors. (2) 

  1. Kidney health: Some studies have promoted Rehmannia as a supplement to good kidney health. It is thought to stimulate the production of the kidney hormone erythropoietin, which acts on the bone marrow to stimulate the increase of precursor cells and their maturation into erythrocytes (a type of red blood cell). Increases in renal blood flow have also been noted after Rehmannia intake, which in some cases has allowed renal values to return to normal. Kidney illness and slow kidney function are associated with abnormally high renal values. (3)
  2. Asthma: A study published in 2017 has shown some improvements in asthma sufferers and patients suffering from chronic inflammatory airway diseases when Rehmannia was taken as a formula with Milkvetch Root and Epimedium Herb. The study concluded that the formula was worth considering as replacement therapy for asthma. (4)
  3. Diabetes: Diabetic nephropathy (DN) is the most serious chronic complication of diabetes; 20 – 40% of diabetic patients develop into end-stage renal disease.
    Some research into DN in patients showed that treatment which included Rehmannia has been shown to reduce urinary protein effectively and delay the progression of loss of renal function, and may improve symptoms and signs of diabetic nephropathy. (5)
  4. Blood sugar levels: Rehmannia may effectively enhance the body’s immunity, reduce blood sugar levels, and protect renal function. This can be commonly used as a treatment for type 2 diabetes. (6) 
  5. Menopause: A review of herbal supplements that included Rehmannia showed successful results in the treatment of menopausal symptoms such as night sweats and hot flashes. Rehmannia may also help to reduce bone density loss due to menopause. (7)  

Rehmannia, How And Where To Find It

Stress is one of the most common, adverse health concerns of our time. With a significant portion of Americans reporting feelings of prolonged stress, many are turning to natural herbal supplements to combat and reduce anxiety, nervousness, and other health issues brought on by stress. (8)  

Be Serene is one such product that’s gaining in popularity, with a tremendous amount of positive feedback through amazing results. 

The 100% plant-based ingredients are formulated for the rapid relief of anxiety; returning the body and mind to a natural state of calm.

The potent yet gentle ingredients include: 

  • Rehmannia: A wild herb is also known as Chinese foxglove, Rehmannia can ‘balance the yin,’ according to herbal practitioners. Used for over 2,000 years in medicine, its dense brownish-black roots are used for several medicinal purposes and reduce the body’s stress reaction.
  • Shatavari: Also known as Asparagus racemosus, Shatavari is a member of the asparagus family. It’s an adaptogenic herb and will assist the body in dealing with physical and emotional stress. (9)  
  • Schisandra: Used as an adaptogen for increased resistance to disease and stress, increasing energy, boosting brain power, and enhanced physical performance and endurance. (10)  
  • Holy Basil: Sometimes called ‘Hot Basil’ for its peppery taste, it is used for conditions such as anxiety, stress, diabetes, high cholesterol. (11) 
  • Mulungu: Historically, mulungu was used for various conditions, such as pain relief, sleep, lower blood pressure, depression, anxiety, and epileptic seizures. (12) 

Frequently Asked Questions

Q. Where can I purchase Rehmannia?

A. Rehmannia can be found in most good drugstores or purchased on-line. Always buy from good quality and reputable sources. It comes prepared in different formulations 

(such as Be Serene) depending on need or on its own in tea-bags, capsules, tincture, or root form. 

Q. Are there any side-effects or safety issues?

A. Rehmannia has been classed as safe to use. However, there isn’t enough reliable information to determine if women who are pregnant or breast-feeding can use it safely and should avoid it as a precaution. (13)

Since Rehmannia can affect blood glucose levels it can interfere with the regulation of blood sugar during and after surgery. At least 2 weeks before the planned surgery, stop using Rehmannia. (13)  

Q. I’m diabetic. Can I use Rehmannia with prescribed medication?

A. Rehmannia may decrease blood sugar. There is some concern that taking Rehmannia with other medications for diabetes might cause blood sugar to decrease too much. Monitor your blood sugar closely and always consult your General Practitioner if planning to take Rehmannia as a treatment for diabetes. (14) 

Q. What is the correct dosage for Rehmannia use?

A. The appropriate dose of Rehmannia depends on several factors such as age, health, and use. At this time there is not enough scientific information to determine an appropriate range of doses for Rehmannia. Always follow relevant directions on product labels and consult your herbal practitioner or other healthcare professional before using them.

Q, How does Rehmannia work?

A. Not enough scientific research has been completed to know how Rehmannia might work for any medical condition. However, some chemicals in Rehmannia seem to affect the immune and nervous systems. Rehmannia might also reduce pain and swelling. Some chemicals in Rehmannia seem to lower blood sugar levels. (15) 

Sources 

  1. https://en.wikipedia.org/wiki/Chinese_herbology#50_fundamental_herbs
  2. https://pubmed.ncbi.nlm.nih.gov/29468477/ 
  3. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6931032/ 
  4. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5504930/ 
  5. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4662991/ 
  6. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5740801/
  7. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6752783/
  8. https://www.apa.org/news/press/releases/stress
  9. https://www.healthline.com/health/food-nutrition/shatavari
  10. https://www.webmd.com/vitamins/ai/ingredientmono-376/schisandra
  11. https://www.webmd.com/vitamins/ai/ingredientmono-1101/holy-basil 
  12. https://pubmed.ncbi.nlm.nih.gov/22381390/ 
  13. https://www.webmd.com/vitamins/ai/ingredientmono-1155/rehmannia#
  14. https://www.researchgate.net/publication/8938910_Hypoglycemic_effect_of_Rehmannia_glutinosa_oligosaccharide_in_hyperglycemic_and_alloxan-induced_diabetic_rats_and_its_mechanism 
  15. https://www.webmd.com/vitamins/ai/ingredientmono-1155/rehmannia 

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About Dr. Morgan Camp M.D.

Dr. Morgan is an expert in Functional and Integrative Medicine with a Strong Emphasis in stress related illnesses like anxiety and insomnia. In addition to his 20 years of work in Functional Medicine, he has expanded his practice to include work on the deeper aspects of our being that point to the root cause of our illnesses working with Mind Body Wellness, Energy Medicine, and Healing with Consciousness.
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