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Echinacea (purpurea)

Seasonal immune support

MODERATE EVIDENCEVEGANREAD THE RESEARCH
Written to our editorial standards · reviewed against published research· Updated 5 Jun 2026
Last reviewed: May 30, 2026
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Echinacea: Seasonal immune support. A traditional immune herb that may modestly shorten the duration of common colds when started early. Standard dose 400-500 mg, taken in the morning, about $14/month. Evidence rating: moderate evidence.

Where to buy

GAIAHERBSEchinacea Supreme60 CAPSULESDIETARY SUPP.
RECOMMENDED
Gaia Herbs, Echinacea
400-500 mg · Morning · ~$14/month

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GAIAHERBSEchinacea Supreme60 CAPSULESDIETARY SUPP.BESTSELLER
Echinacea Supreme
Gaia Herbs
60 capsules · $20 · ★ 4.7
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Echinacea
NOW Foods
100 veg caps · $10 · ★ 4.6
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NATURE'SWAYEchinacea180 VEG CAPSDIETARY SUPP.PREMIUM
Echinacea
Nature's Way
180 veg caps · $14 · ★ 4.6
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SOLARAYEchinacea100 VEG CAPSDIETARY SUPP.PREMIUM
Echinacea
Solaray
100 veg caps · $12 · ★ 4.6
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What is Echinacea?

Echinacea is among the most popular immune herbs, with Echinacea purpurea the best-studied species. Its alkamides and polysaccharides appear to nudge immune cell activity, and meta-analyses suggest that starting echinacea at the first sign of a cold can modestly reduce the odds and duration of symptoms, though results are mixed and product quality varies widely. It is best used short-term and early rather than continuously. Choose a reputable standardized extract of the aerial parts or root. People with autoimmune conditions or taking immunosuppressants should check with a clinician first.

WHY IT MATTERS

A traditional immune herb that may modestly shorten the duration of common colds when started early.

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Common questions

What is Echinacea?
Echinacea is among the most popular immune herbs, with Echinacea purpurea the best-studied species. Its alkamides and polysaccharides appear to nudge immune cell activity, and meta-analyses suggest that starting echinacea at the first sign of a cold can modestly reduce the odds and duration of symptoms, though results are mixed and product quality varies widely. It is best used short-term and early rather than continuously. Choose a reputable standardized extract of the aerial parts or root. People with autoimmune conditions or taking immunosuppressants should check with a clinician first.
What is Echinacea used for?
Seasonal immune support. A traditional immune herb that may modestly shorten the duration of common colds when started early.
What is the standard dose of Echinacea?
400-500 mg, typically taken in the morning. Approximate cost is $14 per month.
Who should avoid Echinacea?
Use extra caution, and speak to a clinician first, if you are autoimmune condition.
How strong is the evidence for Echinacea?
Moderate evidence for its primary uses. See the full study list on the research page.

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