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

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Synopsis

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

Echinacea angustifolia has a long history of traditional use by Native American tribes for the prevention and treatment of colds and other respiratory infections. These indigenous applications were later adopted by settlers and became part of American folk medicine. The plant was typically prepared as a root decoction or tincture. The rationale for its use was based on observed immune-stimulating properties, such as promoting wound healing and "warding off sickness" during cold seasons.

Scientific investigations into Echinacea’s efficacy for cold prevention have yielded mixed results. Most clinical studies focus on other species, particularly Echinacea purpurea. The few studies specifically involving E. angustifolia have not consistently demonstrated statistically significant benefits for cold prevention. A 2005 randomized controlled trial using E. angustifolia root extract found no significant reduction in cold incidence or duration compared to placebo. Systematic reviews and meta-analyses generally conclude that current evidence for Echinacea’s role in preventing colds is weak and inconsistent, with substantial variability in study quality, species used, and preparation methods.

In summary, the use of Echinacea angustifolia for preventing colds is primarily justified by traditional use, with limited and inconclusive scientific validation. The evidence quality is modest at best, and health authorities generally do not endorse its use for this indication based on current data.

More about Echinacea angustifolia
More about Colds (prevention)

Other ingredients used for Colds (prevention)

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beta-pinene
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citrus sinensis (proprietary)
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onion
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honeysuckle
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lemon
licorice root
lovage
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mustard seed
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spruce
orange
oregano
oregon grape
pear
phenolic compounds
pineapple
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pollen
pomegranate
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Products containing Echinacea angustifolia

We currently have no products on Caring Sunshine that contain this ingredient.