Evidence supporting the use of: Echinacea
For the health condition: Colds (antiviral)

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Synopsis

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

Echinacea has a long history of traditional use, particularly among Native American tribes, for treating respiratory infections, including the common cold. Its use spread to Europe in the late 19th and early 20th centuries, where it was incorporated into herbal remedies for colds and flu-like symptoms. The traditional rationale is based on Echinacea's purported ability to stimulate the immune system, thereby helping the body to fend off viral infections. In modern times, Echinacea extracts are commonly marketed as "immune boosters" and are popular in over-the-counter cold remedies.

Scientifically, evidence for Echinacea's efficacy in preventing or treating the common cold is mixed and generally not robust. Several randomized controlled trials and meta-analyses have produced inconsistent results. Some studies suggest a modest reduction in cold duration or severity, while others show no significant benefit compared to placebo. The heterogeneity of Echinacea species, preparation methods, and study designs complicates interpretation of the data. Systematic reviews, including those by the Cochrane Collaboration, generally conclude that there is insufficient high-quality evidence to firmly support its use for this indication.

Overall, while Echinacea’s use for colds is well-supported by tradition, scientific validation remains limited and inconclusive. Its popularity persists largely due to historical and anecdotal accounts rather than strong clinical evidence.

More about Echinacea
More about Colds (antiviral)

Other ingredients used for Colds (antiviral)

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Products containing Echinacea

We currently have no products on Vitabase that contain this ingredient.