Evidence supporting the use of: Dwarf lilyturf
For the health condition: Colds (decongestant)

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Synopsis

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

Dwarf lilyturf (Ophiopogon japonicus), also known as "Mai Men Dong" in Traditional Chinese Medicine (TCM), has a long history of medicinal use in East Asia. In TCM, Dwarf lilyturf tubers are primarily used to "nourish yin" and "moisten the lungs" and are included in formulas for dry cough, sore throat, and other respiratory complaints. Although not a classic decongestant in the Western sense, it is traditionally employed to help soothe symptoms of colds—particularly when accompanied by dryness or dry cough—rather than as a direct agent to clear nasal congestion. Historical texts and modern TCM practice indicate its supportive use for colds, but this is based on traditional theory and empirical use rather than clinical trials.

There is very limited modern scientific research specifically investigating Dwarf lilyturf's effects for alleviating nasal congestion or as a decongestant. Some pharmacological studies have evaluated its anti-inflammatory and immune-modulating properties, which could theoretically support respiratory health, but these are preliminary and not focused on common cold symptoms like congestion. Thus, while its use for colds is justified by tradition and historical usage patterns, there is insufficient scientific validation for its efficacy as a decongestant by modern medical standards.

More about Dwarf lilyturf
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