Echinacea purpurea
Worlds most popular immune herb — E. purpurea is the most studied species. For colds, flu, and immune support. Whole plant is used (unlike E. angustifolia root-only). Clinical evidence for reducing cold duration by 1-4 days.
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If you take any medications, review these interactions carefully.
Immunosuppressants, hepatotoxic drugs, caffeine (CYP1A2).
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GI upset, dizziness, headache. Allergic reactions rare but serious.
Full dosage ranges, extraction ratios, and step-by-step preparation instructions for Purple Coneflower are available to members.
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