Coneflower species (Echinacea purpurea and E. angustifolia) containing alkamides, caffeic acid derivatives (cichoric acid), and polysaccharides. Echinacea activates non-specific innate immunity by stimulating macrophage phagocytosis, NK cell activity, and pro-inflammatory cytokine balance during viral infection onset.
Educational information only — never stop or change a prescribed medication without talking to your prescriber first.
Take during active illness cycles (up to 10-14 days) rather than continuous year-round use. Caution in individuals with progressive systemic autoimmune diseases (lupus, multiple sclerosis) or severe ragweed allergies.
Evidence level: Strong
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