Synopsis

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

Soursop (Annona muricata), also known as graviola, has a long history of use in traditional medicine systems across the Caribbean, Central and South America, and parts of Africa. Among its various ethnobotanical applications, soursop leaves, fruit, and bark have been traditionally used to treat symptoms associated with colds, such as cough, fever, and nasal congestion. The traditional rationale stems from its perceived "cooling" properties and anecdotal reports of symptom relief when used as teas or decoctions.

From a scientific perspective, laboratory studies have identified several bioactive compounds in soursop—most notably acetogenins, alkaloids, and phenolic compounds—that exhibit antiviral activity against a range of viruses in vitro. However, these studies are preliminary and have not specifically addressed common cold viruses such as rhinovirus or coronavirus strains responsible for mild upper respiratory infections. Moreover, clinical trials in humans are lacking, and there is no substantial evidence directly supporting the use of soursop for treating or preventing the common cold. Thus, while traditional use persists, scientific validation remains limited, justifying a moderate evidence rating.

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Other ingredients used for Colds (antiviral)

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