Also known as: Echinacea purpurea, Echinacea angustifolia, Purple coneflower
Immune-stimulating herb that may reduce cold incidence and duration. Most evidence for E. purpurea preparations.
Short-term use (2-8 weeks), cycle on/off for prevention
Adults, children with pediatric formulations
We haven’t curated landmark studies for Echinaceayet — one-click into the primary literature here. PubMed (RCTs) is usually the highest-signal starting point.
Mixed but generally positive evidence for colds
Limited data, generally avoid
Safe short-term
Other ingredients in the Botanical category.
Formulate Research Team. (2026, September). Echinacea — Evidence-Based Supplement Guide. Formulate Supplement Encyclopedia. https://app.formulate-health.app/learning/supplements/echinacea-immune
Educational content based on published research and our scoring methodology. Not medical advice — consult a qualified healthcare provider before starting, stopping, or changing supplements, especially if you take medications, are pregnant, or have a medical condition.