Synopsis

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

Buddha's Hand (Citrus medica var. sarcodactylis) is a fragrant citrus fruit commonly used in traditional Chinese medicine (TCM). Within TCM, Buddha's Hand is often employed to support the lung system, particularly for its supposed abilities to relieve coughs, resolve phlegm, and ease chest congestion. The fruit is described as having the ability to "regulate qi" (vital energy), harmonize the middle burner (digestion), and transform phlegm, which according to TCM principles, can benefit respiratory function. Historical TCM texts frequently reference Buddha's Hand in herbal formulas aimed at treating coughs and lung-related disorders.

However, scientific studies directly investigating the effects of Buddha's Hand on lung health are limited. The evidence base is largely comprised of anecdotal reports and historical usage, rather than rigorous clinical trials. Some laboratory studies have found that extracts of Buddha's Hand contain volatile oils, flavonoids, and limonoids, which possess anti-inflammatory and antioxidant properties. While these compounds could theoretically support lung health, there is insufficient direct clinical evidence to substantiate claims of efficacy in respiratory conditions. Thus, its use for supporting the lungs is justified primarily by traditional practice, with only limited indirect support from scientific research on its bioactive constituents.

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