Evidence supporting the use of: Sword Bean
For the body system: Sinuses

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Synopsis

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

Sword Bean (Canavalia gladiata) has a long history of use in traditional medicine, particularly in East Asia, for supporting respiratory health, including the sinuses. In traditional Korean and Chinese herbal practices, sword bean is commonly used as an ingredient in remedies for sinusitis, nasal congestion, and other upper respiratory tract complaints. The beans are often brewed into teas or incorporated into decoctions to help "clear heat," reduce phlegm, and address inflammation of the sinuses according to traditional concepts.

Despite its historical use, there is limited modern clinical research supporting sword bean’s efficacy for sinus health. Some laboratory studies have examined the bean’s general antimicrobial and anti-inflammatory properties, which could theoretically benefit sinus health, but these findings are preliminary and not directly linked to human sinus conditions. Most evidence remains anecdotal or is based on traditional use rather than rigorous scientific validation.

In summary, Sword Bean is used to support the sinuses primarily because of its strong tradition in Asian herbal medicine. However, the quality and quantity of scientific evidence to support these uses is currently quite limited, justifying a moderate evidence rating.

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