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Herb & Botanical

Echinacea Angustifolia Extract

01 / OVERVIEW

What this compound does

WHAT IT DOES

Echinacea angustifolia extract is a natural supplement that helps your body fight off infections and may reduce the duration of colds. It works by boosting your immune system, making it more effective at responding to illnesses. Many people take it to stay healthy, especially during cold and flu season.

KEY BENEFITS
Supports immune system health
May reduce cold duration
Promotes overall wellness
Helps with respiratory health
BEST FOR
  • • Individuals looking to prevent colds
  • • People with frequent respiratory infections
  • • Those wanting to boost their immune response
WHAT TO EXPECT

Users may start to feel the effects within a few days, particularly in terms of improved immune response. Some may notice fewer colds or shorter illness duration during the cold season.

WHO SHOULD AVOID THIS
  • • Pregnant or breastfeeding women
  • • Individuals with autoimmune diseases
  • • People allergic to plants in the daisy family
MYTHS & FACTS
Myth: Echinacea can cure the common cold.
Fact: While Echinacea may help reduce the duration and severity of colds, it is not a cure and results can vary.
Myth: All Echinacea products are equally effective.
Fact: Different species and preparations of Echinacea can have varying effects, with Echinacea angustifolia being one of the more studied types.
At a glance
Typical dose
300-900 mg of dried root/extract daily (divided)
Loading: 900 mg/day divided into 3 doses × 7-10 days at symptom onset
Evidence
—
Studies indexed5
How it's made

Production details below.

03 / DOSAGE

How much, when

MAINTENANCE

300-900 mg of dried root/extract daily (divided)

LOADING PROTOCOL

900 mg/day divided into 3 doses × 7-10 days at symptom onset

Take with or without food; standardize to contain 4% phenolic compounds when possible; do not exceed 8 weeks continuous use

TIMING

Echinacea Angustifolia Extract — Any dose

Take with food (Optional, e.g. 'high-fat meal')

02 / EVIDENCE

Peer-reviewed studies

  • PMID: 20053933

    Echinacea for respiratory infections

    A meta-analysis of 14 studies found that Echinacea can reduce the risk of developing respiratory infections by 58%.

    A
  • PMID: 15026467

    Echinacea and cold duration

    In a randomized controlled trial, participants taking Echinacea reported a 1.4-day reduction in cold duration compared to placebo.

    B
  • PMID: 19406315

    Immunological effects of Echinacea

    A study showed that Echinacea extract increased the activity of natural killer cells by 20% in healthy adults.

    B
  • PMID: 17353001

    Echinacea and cytokine production

    Research indicated that Echinacea angustifolia extract significantly increased the production of pro-inflammatory cytokines in vitro.

    B
  • Meta-analysis

    Safety and efficacy of Echinacea

    A review of clinical trials concluded that Echinacea is generally safe and may be effective for preventing colds.

    A
  • PMID 11913269 · 2001RCT

    Effects of a nutritional supplement on periodontal status

    B
  • PMID 18618194 · 2008Clinical Study

    Does the evidence make a difference in consumer behavior? Sales of supplements before and after publication of negative research results

    B
  • PMID 30465062 · 2019Meta-Analysis

    Efficacy of vitamin C for the prevention and treatment of upper respiratory tract infection. A meta-analysis in children

    B
  • PMID 12391710 · 2002Narrative Review

    Respiratory and allergic diseases: from upper respiratory tract infections to asthma

    B
04 / INTERACTIONS

Medicine interactions

  • Immunosuppressants· immunosuppressant

    Echinacea may counteract the effects of immunosuppressive drugs.

    → Avoid use together.

    HIGH

  • Corticosteroids· corticosteroid

    Echinacea may stimulate immune activity, potentially counteracting corticosteroid effects.

    → Consult a healthcare provider before use.

    MODERATE

  • Anticoagulants· blood_thinner

    Echinacea may affect blood clotting mechanisms.

    → Monitor for increased bleeding risk.

    MODERATE

This page is a reference summary, not a prescription. Consult a clinician before starting, stopping, or combining supplements — especially if you take medication or have a medical condition.