Evidence-Based Health Benefits of Rehmannia Root

Rehmannia root has been used in china as the traditional medicine for thousands years. Some scientific studies support the health benefits of rehmannia root to improve general health and to heal particular kind of diseases.

Rehmannia itself is a flowering plants originated from china and has been believed to be effective herbal remedy.

Nutritional Information of Rehmannia

The health benefits of rehmannia root are mainly contributed by the beneficial compounds contained in it. Here is the long list of the nutrition contained in rehmannia root.

The Health Benefits of Rehmannia Roots

By looking at the long list of nutritional information of rehmannia, it is clear why a rehmannia root is beneficial for health. Here are some of the health benefits of rehmannia root.

  1. Reduce the risk of brain disease

Rehmannia root is said to be able in protecting brain. It protects brain from brain diseases and maintains the performance of the brain.

The health benefits of rehmannia root for brain was tested on dementia patient, in which rehmannia help the patient to pass the memory and learning test. I

  1. Improve endurance

One of the health benefits of rehmannia root is the ability to improve endurance. This is also the reason why rehmannia root is often included into herbal tonic, aside of ginseng. In addition to the ability of rehmannia root to improve endurance, it can also be used to fight fatigue.

  1. Relieve stress

A study was held involving the application of rehmannia root on 20 people with depression. The treatment of the study then showed that 6 people feel significant improvement, 6 people had some improvement, while the rest didn’t feel the improvement.

From the study mentioned above, and the other supporting studies, it can be concluded that the use of rehmannia root is significant to release stress by lifting mood.

  1. Good for diabetics

People with diabetes should strictly manage the diet, especially the sugar intake in order to manage the normal blood glucose. In this case, the consumption of rehmannia root for diabetes helps to control blood glucose and improve kidney function to avoid kidney complication in diabetic patients.

  1. Treat anemia

Anemia is a condition when the body stops making enough blood cells. As the addition to healthy diet for anemia such as Eggplant for Anemia, rehmannia root can be a perfect herbal supplement to increase blood cells production.

  1. Protect bone

The calcium content in rehmannia root is beneficial for bones, as it protect bone from bone loss. Especially when rehmannia root is combined with the other beneficial herbs for bone. For example turmeric,

  1. Aid kidney health

Many evidence showed that rehmannia root is beneficial for kidney, especially in case of kidney failure in diabetes. Some study showed that the consumption of a pill containing rehmannia root make some progress in people with nephrotic syndrome, as one of the types of kidney failure. The root can also be used to reduce symptoms in chronic kidney inflammation.

  1. Good for lungs

Not only good for kidney, rehmannia root is also good for the other abdominal organs, which is lungs.  Rehmannia root help a lot to clear respiratory tract, especially lungs. It improves the performance of lungs. One of the evidence is that rehmannia root can help people with asthma.

In addition the health benefits of rehmannia root for lungs and respiratory problem, the root can also be used as herbal supplement during chemotherapy for lung cancer. Rehmannia root help inhibit the growth of lung tumor.

How to Use Rehmannia Root

Basically, there are some ways to use or consume rehmannia root to get the health benefits. Rehmannia root can be prepared as raw root, baked, or steamed.

Or else, the root can also be dried and brewed into a tea, just like when you get the Ginger Root Tea. Today, rehmannia root pills are also available to offer the simpler and easier consumption of rehmannia root.

Recommendation on Rehmannia Root Intake

It is important to find out the exact dosage or the recommended rehmannia root intake. However, since rehmannia root is considered to be traditional herbal product which has been used for thousands of years, it is hard to find the scientific proof of dosage regulation for rehmannia root.

The data found was limited. And some of them stated that the dosage of supplement containing rehmannia root may vary from 3 mg to 400 mg consumption in a day. It depends on the content of rehmannia root aside of the other herbs.

Evidence-Based Health Benefits of Rehmannia Root - DrHealthBenefits.com

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Rehmannia and its Multiple Benefits

Biological Description

Rehmannia(Rehmannia Glutinosa) is the name that unites the genus of six flowering species in the Lamiales order, although the plant doesn’t belong to any of the families due to particular molecular structure. Although, some classifications attribute it to the Scrophulariaceae family. This perennial herb is native to the East – Korea, China, and Japan. Its origin defined its place in the Oriental herbal medicine where it is one of the 50 basic herbs used in blends and individually. The plant is known as dìhuán g(earth yellow) in Chinese medicine. Rehmannia is recognized by the bell-shaped flowers of yellowish or reddish-violet color and leaves growing close to the ground. The plant usually grows up to 15-30 cm. In the USA it is cultivated for ornamental uses, while in the Eastern herbal medicine it is used as a herbal remedy.


Rehmannia grows best in the temperate regions and favors medium sun and sandy, loamy, well-drained soils, especially in the first years of growth. Matured, it can be rather drought and frost tolerant plant, surviving up to -25°C (provided the flowers are dry so they do not rot). The flowering period is April through June, whereas the seeds appear in March and ripen till July.

Parts Used

Root of the plant is the major source of beneficial compounds in the rehmannia. It is used fresh, dried or processed into herbal preparations. Leaves serve as a topical application for skin conditions, such as psoriasis or eczema. Other than for decorative purposes, the use of the rehmannia flowers is not known.


As a rule, rehmannia root is sold in capsules, tablets, dried extracts, and powder. Rehmannia is a compound of a variety of herbal blends and formulas, such as those for female health enhancement, in particular.


Rich in amino acids,Vitamins (A, B, C), cerebroside, melittoside, dammelittoside, and rehmaglitin, rehmannia is known as anti-inflammatory and anti-fungal herb. It is also known as a blood tonic and purifier – thanks to its astringent properties provided by the chemical content. The rich sweet starchy content of the rhizome has been used in Chinese herbal medicine as a cloying agent – improving the function of the liver and digestion (by stimulating bloating and gas). Other benefits associated with rehmannia include anti-hepatotoxic, anti-rheumatic, anti-eczema, diuretic, hypoglycemic, laxative and cardiotonic actions.

Iridoid glycosides are the major constituents in the root. They stimulate the production of anti-inflammatory hormones and work well in treating conditions associated with hormone deficiencies.

Health Benefits

Rehmannia is majorly associated with adrenal gland and kidney conditions. It decreases adrenal suppression of steroid hormones and works well against autoimmune disorders (fibromyalgia, rheumatoid arthritis, and multiple sclerosis).

Restorative properties of rehmannia have been known for centuries in Chinese herbal medicine. Today, it is commonly used in the patients with broken bones – for repairing damaged center, broken bones, and enhancing the regeneration of muscles and tissues.

The vitamin content make rehmania an effective remedy for fever and colds, inflammation and dizziness.

Women with severe PMS and menstrual disorder symptoms will find rehmannia helpful for the major troubles of the condition. Its action stimulates hormonal balance, reduces bleeding, relieves anemia, headaches, and regulates menstrual cycle.

Astringent properties of Rehmannia make it useful in treating external and internal bleeding – it stops blood in ulcers, wounds, nasal and vaginal bleeding. Moreover, the herb will purify the blood and reduce the pressure in it.

Chinese herbalist use rehmannia as multi-purpose tonic. Its action improves kidney function, urinary tract health (especially in men), cardiovascular system and cholesterol levels, blood circulation, digestion, deafness, vertigo and sexual health. Tonic properties make rehmannia an anti-aging herb. The animal study was based on controlling life extending effects of the herb and used old rats. Those that were associated with rehmannia usage showed an increased stamina and moved more on the running-wheel as compared to those that did not consume the herb.

When applied to skin, rehmannia treats eczema, psoriasis, wounds and cuts.

Preagnant or breastfeeding women should not use rehmannia. Some rare side effects include bloating, nausea, and loose bowel movements.

Rehmannia: The Stinky Root with Incredible Benefits

Ganoderma lucidum spores (GLS) are the mature germ cells of Ganoderma lucidum. They have all the genetic substances and similar active components of Ganoderma lucidum. Similar to the fruiting body of Ganoderma lucidum ganoderma spores powder has the effect of regulating immunity, anti-tumor, antioxidation, and protecting cells and so on.