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Ge Gen: Unveiling the Healing Potential of an Ancient TCM Herb

Among the herbs that grace the TCM pharmacopeia, Ge Gen, known as Pueraria Radix in Latin, or kudzu root, holds a special place. With its rich history and multifaceted healing properties, Ge Gen has stood the test of time as an essential component of TCM formulas. In this article, we embark on a journey through Ge Gen, uncovering its origins, applications, and the science behind its healing potential.

A Glimpse into Ge Gen’s History

Ge Gen’s history stretches back over 2,000 years, intertwined with the evolution of Traditional Chinese Medicine. The first recorded mention of Ge Gen can be found in the classic TCM text “Shennong Ben Cao Jing” (Shennong’s Herbal Classic), compiled during the Han Dynasty (206 BC–220 AD). This revered text touts Ge Gen’s efficacy as an antipyretic, antidiarrheal, diaphoretic, and anti-emetic agent, setting the stage for its enduring prominence in TCM practice [1]

Botanical Profile and Harvesting

Ge Gen, scientifically known as Pueraria lobata, is a climbing perennial vine native to East Asia. It is also known as the East Asian Arrowroot or Kudzu vine. Recognized for its heart-shaped leaves and violet flowers, Ge Gen’s root is the part most valued for its medicinal properties, though all parts of the plant are edible and exhibit very low toxicity even in fairly high amounts [1]. The plant flourishes in temperate climates and frequently occurs in regions of China, Japan, and Korea. Harvested in the autumn, the roots are typically cleaned, dried, and then processed for medicinal use.


Ge Gen is recognized colloquially as the “mile-a-minute vine” due to its remarkable daily growth rate of around one foot. It has earned a reputation as an invasive species within the United States[1], [2], [3]. Similar to the Mimosa tree, it was introduced in the late 1800s with the intention of serving as an ornamental plant and forage for livestock.

Later, it found use as a measure to control erosion and for nitrogen fixation [2]. However, due to the lack of natural competitors and effective control strategies, the species has escalated beyond being merely a nuisance in some southern climates.

Often referred to as “the vine that ate the south”, this botanical intruder poses substantial ecological challenges [2], [3]. Kudzu vines exhibit their most detrimental impact by rapidly expanding and displacing native flora. Underground, these plants grow robust rhizomes and drought-resistant root systems, showcasing resilience and rapid spread. As indigenous plants falter in dry spells, P. lobata seizes new spaces, outcompeting them. Its relentless growth swiftly blankets various structures, including fences, residences, light poles, and trees. This aggressive takeover extends even further, as  P. lobatas presence beckons the arrival of the bean plataspid, an insect notorious for decimating lucrative leguminous crops such as soybeans and green beans [2]

Key Active Compounds

Distinguishing itself from Pueraria Mirifica, a species native to Thailand and recognized for its potent phytoestrogen properties, P. Lobota boasts a distinct composition and, consequently, serves different purposes [4]. The potency of Ge Gen’s healing properties lies in its complex composition of bioactive compounds. 

Some of those key constituents include:

Isoflavonoids: Ge Gen is rich in isoflavonoids such as puerarin, daidzin, and daidzein. These compounds have antioxidant properties, aiding in the neutralization of harmful free radicals and reducing oxidative stress [1]. Because they can mimic estrogen, isoflavonoids can help with menopausal symptoms and bone absorption due to hormonal changes. 

Flavonoids: Flavonoids like apigenin and genistein found in Ge Gen contribute to its anti-inflammatory effects, which can assist in alleviating various inflammatory conditions [1], [5].

Starch and Polysaccharides: These components provide nourishment and energy to the body while aiding digestion and enhancing gut health. Arrowroot has gained prominence for its absorption characteristics in deodorant products and its capacity to thicken culinary preparations. 

Puerarin: As the primary bioactive compound, puerarin has garnered significant attention for its potential health benefits. It’s known for promoting blood flow, vasodilation, glucose-lowering activity, mild alcohol antagonism, and cardiovascular health [1].

Therapeutic Applications of Ge Gen

Cardiovascular Health: Ge Gen’s vasodilatory effects, attributed to compounds like puerarin, contribute to improved blood circulation [1]. This can aid in reducing blood pressure, preventing arterial stiffness, and supporting overall cardiovascular health.

Muscle Relaxation: Ge Gen’s muscle-relaxing properties can help alleviate muscle tension, cramps, and spasms, making it valuable for individuals experiencing musculoskeletal discomfort.

Blood Sugar Regulation: Research suggests that Ge Gen may help regulate blood sugar levels by improving insulin sensitivity and reducing insulin resistance, potentially benefiting those with diabetes [1].

Skin Health: Researchers have explored the potential of using Ge Gen extracts topically to promote skin health. The herb’s antioxidant and anti-inflammatory properties could aid wound healing and address certain skin conditions.

Alcohol Craving Reduction: Some studies have indicated that puerarin, a key compound in Ge Gen, may play a role in reducing alcohol consumption by affecting certain neurochemical pathways [1].

Greying Hair: One clinical trial even demonstrated that APHG-1001, a compound containing the extract of P. lobata, “could prevent the development of new gray hair without any remarkable adverse effects” [6]

TCM Applications & Profile

Ge Gen releases exterior conditions, especially muscle-related stiffness in the neck and upper back. It exhibits the capacity to address both exterior-cold and exterior-heat pathogens, despite its inherent cool nature. Ge Gen is sweet, acrid, and it enters the Spleen and Stomach meridians. Its efficacy extends to halting diarrhea, due to its ability to cool stomach heat and regulate water flow through the exterior (Lung), affecting the Yang Ming (Large Intestine), and also through the Spleen’s transformative function.

Ge Gen serves a blood sugar regulation purpose in both Western medicine and Traditional Chinese Medicine contexts. Its potential to alleviate thirst stemming from conditions such as tang niao bing 糖尿病 and xiao-ke syndrome 消渴 is derived from its heat-relieving and fluid-generating properties.

Drawing parallels with its role in enhancing cardiovascular health in Western medicine, Ge Gen aligns once more as it can aid in the management of hypertension. It can help ameliorate symptoms like headaches, dizziness, and tinnitus associated with hypertension.

Releases the ExteriorCool
Sweet, Acrid
Channels: Spleen, Stomach
Ge Gen Properties

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Scientific Validation and Modern Research

TCM’s historical use of Ge Gen offers a strong base, while modern science explores its mechanisms for effectiveness. Numerous studies have explored Ge Gen’s potential in cardiovascular health, diabetes management, cognitive function, and more. The accumulating evidence supports its traditional applications and sheds light on new therapeutic possibilities.

Cautions and Considerations

Using Ge Gen requires caution and moderation, just like any herbal remedy. Consult a TCM expert or healthcare provider before incorporating Ge Gen, especially if on medication or with underlying health issues. Pregnant and breastfeeding individuals should exercise particular caution and always seek medical advice from a trained medical professional.


Ge Gen’s journey from ancient TCM texts to modern scientific research exemplifies the enduring power of traditional healing practices. Its intricate composition and versatility make it a valuable asset in addressing various health concerns, from cardiovascular health to muscle relaxation. As the realms of traditional wisdom and modern science converge, Ge Gen’s potential continues to captivate those seeking holistic approaches to well-being.

1. Liu J, Shi YC, Lee DYW. Applications of Pueraria lobata in treating diabetics and reducing alcohol drinking. Chinese Herbal Medicines. 2019;11(2):141-149. doi:https://doi.org/10.1016/j.chmed.2019.04.004
2. Five Facts: Kudzu in Florida. Research News. Published February 22, 2021. Accessed August 28, 2023. https://www.floridamuseum.ufl.edu/science/five-facts-kudzu-in-florida/#:~:text=2%3A%20It%20was%20introduced%20to
3. Kudzu | National Invasive Species Information Center. www.invasivespeciesinfo.gov. https://www.invasivespeciesinfo.gov/terrestrial/plants/kudzu
4. How Pueraria Mirifica different from Pueraria Labota? Oriental Heritage Herbalists (OHH) Premium Thai Herbal & Plant Extracts. https://orientalheritageherbalists.com/what-differentiates-pueraria-mirifica-from-pueraria-labota/
5. The Health Benefits of Isoflavones. Verywell Health. https://www.verywellhealth.com/isoflavones-benefits-side-effects-dosage-and-interactions-4687017
6. Jo SJ, Shin H, Paik SH, et al. Efficacy and Safety of Pueraria lobata Extract in Gray Hair Prevention: A Randomized, Double-Blind, Placebo-Controlled Study. Annals of Dermatology. 2013;25(2):218-222. doi:https://doi.org/10.5021/ad.2013.25.2.218

This information has not been evaluated by the Food and Drug Administration. No product mentioned herein is intended to diagnose, treat, cure, or prevent any disease. For educational purposes only.

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