Synopsis

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

Proprietary blends of herbs or botanicals have been traditionally used in various cultures for respiratory conditions, including asthma. Many herbal traditions, such as Ayurveda and Traditional Chinese Medicine (TCM), recommend specific herbs—individually or in combination—to help alleviate symptoms of asthma, such as wheezing, shortness of breath, and coughing. Common botanicals included in such blends may be Glycyrrhiza glabra (licorice root), Adhatoda vasica (vasaka), Tylophora indica, and Lobelia inflata.

However, while these blends are rooted in traditional use, scientific evidence supporting their efficacy is limited and often inconsistent. Most clinical studies focus on individual herbs rather than entire proprietary blends, and the methodological quality of these studies is often poor. There is some preliminary evidence that certain herbs may have bronchodilatory, anti-inflammatory, or immunomodulatory effects, but these findings have not been consistently replicated in large, well-controlled trials. Safety is another concern, as interactions and side effects have been reported with some herbal components.

In summary, the use of proprietary herbal/botanical blends for asthma is justified primarily by tradition and historical use rather than robust scientific validation. The evidence base remains weak, with a rating of 2 out of 5, reflecting anecdotal and preliminary findings rather than definitive clinical support.

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