Evidence supporting the use of: American Basil
For the health condition: Congestion

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Synopsis

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

American Basil (Ocimum americanum), also known as hoary basil or wild basil, has been used in traditional herbal medicine systems, especially in regions of Africa, Asia, and Central America. Its use for treating or supporting relief from congestion—such as nasal or chest congestion associated with colds—stems from folk practices rather than robust scientific validation. Traditionally, the leaves and essential oils have been employed in teas, inhalations, or topical applications to ease respiratory symptoms. The rationale is often based on the aromatic and sometimes mildly expectorant properties of the plant, which might help loosen mucus or provide subjective relief through its scent.

However, there is limited scientific research specifically evaluating American Basil for congestion in humans. While some studies have identified antimicrobial and anti-inflammatory compounds in Ocimum species in general, direct evidence supporting American Basil's efficacy for congestion is lacking. The evidence rating is thus low (2/5), primarily reflecting traditional and anecdotal support rather than clinical trials or pharmacological studies. In conclusion, while American Basil is traditionally used for congestion, this use is not well supported by scientific research at present.

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