Evidence supporting the use of: Bayleaf
For the health condition: Colds (prevention)

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Synopsis

Source of validity: Traditional
Rating (out of 5): 1

Bayleaf (Laurus nobilis) has a long history of use in traditional herbal medicine, particularly in Mediterranean and South Asian cultures. Traditionally, bay leaves have been used in remedies for respiratory ailments, such as colds and coughs. Folk medicine often recommends bayleaf infusions, teas, or steam inhalation as a means to alleviate symptoms of colds, possibly due to its aromatic essential oils, which include compounds like eucalyptol (1,8-cineole), thought to have mild expectorant properties.

However, scientific evidence supporting bayleaf's efficacy for the prevention or treatment of colds is minimal. Few in vitro studies have shown antimicrobial or anti-inflammatory properties of bayleaf extracts, but these findings have not been translated into robust clinical evidence in humans, especially concerning cold prevention or treatment. No significant randomized controlled trials or systematic reviews have confirmed its effectiveness for this purpose. As a result, while its use is rooted in tradition, the actual evidence base is weak, and bayleaf should not be relied upon as a primary or proven intervention for colds.

More about Bayleaf
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Other ingredients used for Colds (prevention)

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licorice root
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Products containing Bayleaf

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