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Boost Immunity Naturally? Experts Weigh In
22 Nov
Summary
- Echinacea, a native North American plant, has historical medicinal use for colds.
- Studies on echinacea for colds are mostly small, lacking large-scale trials.
- Consult a doctor before taking echinacea; check for NSF stamp on supplements.

With four illnesses circulating, this cold and flu season brings focus to echinacea, a native North American plant historically used for pain and respiratory ailments. Its extract contains antioxidants that may reduce inflammation, potentially aiding immune function. However, current scientific backing for its effectiveness against the common cold is not definitive, as many studies are small and lack large-scale randomized trials.
Experts suggest that while echinacea might offer some immune support, its ability to cure a cold remains uncertain, highlighting the difference between correlation and causation. Individuals who are immunocompromised, pregnant, breastfeeding, or have allergy concerns should avoid echinacea unless under medical supervision.
Prior to starting echinacea supplements, consulting a healthcare provider is crucial. Look for supplements with an NSF stamp for verified safety. Alongside supplements, health experts emphasize the importance of flu vaccination, adequate sleep, hydration, and stress reduction for optimal immune health.



