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What Is Pueraria Mirifica? Discover 10 Benefits of Taking It
Pueraria mirifica is a phytoestrogen-rich herb from Thailand. Benefits of Pueraria mirifica include better bone density, anticancer effects, alleviation of menopause symptoms, and other benefits.
Thailand is home to a phytoestrogen-rich herb known as Pueraria mirifica. This plant and its cousin Pueraria lobata have been traditionally to treat conditions like menopause, alcoholism, and hypertension, and scientists that visit the areas where it grows have long been curious about its properties and how it affects health.
Read on to learn more about this incredible plant.
Pueraria mirifica is a plant from Thailand that is also known as Thai kudzu. Records of it go back over 700 years to points when locals in Thailand's Northern Kingdom brought the plant to revered monks. The plant was thought to provide clarity for cognitive functioning and promote longer lives. Monks used palm leaves to record the effects of the plants.
Pueraria mirifica is commonly dried and powdered prior to use. It is widely known to promote youthlike properties in both men and women. It is particularly believed to have a significant estrogenic influence on the body. The powdered roots contain about 17 chemicals with biological activities secondary to estrogen. These chemicals include flavonoids like:
- Puerarin
- Mirificin
- Daidzein
- Genistin
- Kwakhurin
- Kwakhurin hydrate
- Genistein
- Tuberosin
- Daidzin
- Puemiricarpene
Benefits of Pueraria mirifica
Promotion of bone density : Decreased levels of estrogen can cause bone loss. This is especially true of women who are undergoing menopause or are post-menopausal. Using Pueraria mirifica as a supplement has been shown to increase bone density.
Anticancer effects: Pueraria mirifica has the potential to impede the growth of tumors and cancer cells. This may be due to miroestrol, a phytochemical found in this plant that has been shown to protect the body from cancer .
Antioxidant activity: Chemical compounds that decrease levels of stress and oxidative damage to physical tissues are known as antioxidants. If they are not present in sufficient amounts, the resulting oxidative damage has the potential to cause disease. Some research has shown that Pueraria mirifica has antioxidant effects, though, and that it even increases the effects of other antioxidants in your body.
Menopausal symptom alleviation: Phytoestrogen is a phytochemical found in Pueraria mirifica. Phytoestrogens are chemicals that copy the properties of estrogen, and they are plentiful in this plant.
When women experience menopause, their natural estrogen levels go down, causing a range of symptoms. Taking Pueraria mirifica helps alleviate menopause symptoms like irritability, hot flashes, irregular periods, and more.
Brain health support: The nervous system, including brain health, is affected by estrogen. Studies have shown that the compound known as miroestrol, which is found in Pueraria mirifica, protects against damage to the nervous system due to estrogen level decreases.
Support of vaginal health: Topical therapy using Pueraria mirifica may promote healthy vaginal tissue, decreasing vaginal dryness and generally improving vaginal tissue health and tone.
Potential Health Benefits of Pueraria Mirifica
Supplement use should be individualized and vetted by a healthcare professional, such as a registered dietitian, pharmacist, or healthcare provider. No supplement is intended to treat, cure, or prevent disease.
Like many medicinal plants, people may use P. mirifica for many reasons. However, several studies have assessed P. mirifica for the following potential uses.
Menopause and Vaginal Health
The following are examples of numerous small studies that have looked at the effects of P. mirifica on menopausal symptoms.
- A small 24-week study assessed P. mirifica at doses of 20, 30, or 50 milligrams (mg) daily. Compared to a placebo (a substance with no medication), P. mirifica at any dose decreased symptoms of vaginal dryness and painful sex.
- In this same study people who were postmenopausal and took P. mirifica also had improved vaginal atrophy, which is thinning, drying, and inflammation of the vaginal walls.
- In a small clinical trial, 50 or 100 milligrams of P. mirifica daily relieved hot flashes and night sweats. While this clinical trial followed study participants for six months, no placebo group existed.
- Another small clinical trial assessed a daily 50-milligram dose of P. mirifica compared to a control group taking a daily dose of 0.625 milligrams of conjugated equine estrogen (CEE)—like Premarin—with or without medroxyprogesterone (MPA) 2.5 milligrams. MPA is used if the control group study participant still had a uterus (womb). At six months, the P. mirifica group and the control group had fewer hot flashes and night sweats.
- Another small study compared a P. mirifica vaginal topical product to conjugated equine estrogen (CEE) cream—like Premarin Vaginal. At 12 weeks, the CEE vaginal cream was more effective than the P. mirifica product at improving vaginal atrophy. But similar to CEE vaginal cream, the P. mirifica vaginal topical product significantly relieved vaginal dryness and painful sex.
- Unlike the previous study, a 2022 study found the use of 6% P. mirifica vaginal gel for 12 weeks improved vaginal atrophy by improving vaginal artery circulation and restoring vaginal tissue.
- Another study found a 12-week course of 5% P. mirifica vaginal gel in postmenopausal women was not effective in alleviating genital symptoms, but was effective in reducing indicators of bacterial vaginosis compared with placebo gel.