Synopsis

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

Luo Han Guo (Siraitia grosvenorii), also known as monk fruit, has been used in Traditional Chinese Medicine (TCM) for centuries. Historically, it is prized for its sweet taste and is believed to help with conditions such as cough, sore throat, and heat-related illnesses. There are some traditional reports and herbal compendiums that suggest Luo Han Guo may support cardiovascular health, including hypertension, by clearing heat and promoting fluid metabolism. However, these uses are based on TCM theory rather than direct evidence from controlled clinical trials.

Modern scientific research on Luo Han Guo has primarily focused on its antioxidant and anti-inflammatory properties, as well as its use as a natural non-caloric sweetener. Some in vitro and animal studies suggest that its mogroside components may have beneficial effects on oxidative stress, which could theoretically influence blood pressure regulation. However, robust clinical data in humans demonstrating a significant antihypertensive effect are lacking. As such, while Luo Han Guo is occasionally recommended in traditional contexts for blood pressure support, the scientific evidence is limited, and it is not considered a primary or evidence-based treatment for hypertension in modern medicine.

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