Echinacea
Echinacea purpurea
One of the most widely used herbs for immune support globally, with multiple clinical studies supporting reduction in duration and severity of upper respiratory infections.
Known Health Benefits
Active Compounds
Alkamides, chicoric acid, polysaccharides, echinacoside
Potential Side Effects
Rare allergic reactions; GI discomfort possible; not for long-term continuous use
Known Drug Interactions
May interact with immunosuppressants and CYP3A4 substrates
Evidence Classification
Supported by cohort studies, case-control studies, or multiple observational studies with consistent findings.
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