Evidence supporting the use of: Cyperus rotundus
For the health condition: Amenorrhea

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Synopsis

Source of validity: Traditional
Rating (out of 5): 2

Cyperus rotundus (commonly known as nutgrass or purple nutsedge) has a long history of use in traditional medicine systems, particularly in Ayurveda, Traditional Chinese Medicine (TCM), and Unani. In these traditions, Cyperus rotundus is often used as an emmenagogue, meaning it is believed to stimulate or regulate menstrual flow, and thus is used to support or treat amenorrhea (absence of menstruation). Historical Ayurvedic texts describe its use in formulations intended to promote menstrual health and address menstrual irregularities. TCM similarly views the herb as beneficial for regulating the menstrual cycle and relieving gynecological disorders.

However, the scientific evidence supporting Cyperus rotundus for amenorrhea is limited. Most available studies focus on its anti-inflammatory, analgesic, and antioxidant properties, rather than direct effects on the menstrual cycle. A few animal studies suggest some estrogenic or uterine stimulating effects, but these are preliminary and not robustly linked to clinical outcomes in humans. There are no well-conducted clinical trials specifically evaluating its efficacy for amenorrhea. Therefore, its use for this condition is primarily justified by traditional knowledge rather than modern scientific validation.

In summary, Cyperus rotundus has a traditional reputation for supporting menstrual health, including amenorrhea, especially in Asian medical systems, but there is insufficient scientific evidence to confirm its effectiveness for this specific indication.

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