SYS ONLINE
SUPPLEMENT_SCHOLAR
evidence · mechanism · dose
Supplements/Herb

Echinacea Angustifolia

Narrow-leaf coneflower for immune support.

Immune Function

Overview

Narrow-leaf coneflower for immune support.

Natural sources
    Common forms

      Mechanism of action

      Higher alkylamide content than purpurea.

      Pathways

        Effects on the body

        Organ system effects

        Evidence-based benefits

        Reduces URTI symptoms

        Moderate evidence

        Potential side effects

        Common
        • · GI upset
        • · Rash
        Rare
          Serious

            Drug interactions

            No notable interactions reported.

            Safety & non-supplemental interactions

            Educational summary — always confirm with your clinician or pharmacist before starting, stopping, or combining with prescription therapy.

            Avoid if you are
            • ·Pregnant or breastfeeding (insufficient safety data)
            • ·Children under 18 (unless directed by a clinician)
            Avoid with these conditions
            • ·Autoimmune disease (theoretical immune activation)
            Avoid / monitor with these medications
            • ·Immunosuppressants

            Supplement interactions

            Pairs well with

            None listed.

            Avoid combining with

            No specific avoidances listed.

            Dosing & bioavailability

            Typical dose
            300 mg TID

            Where to buy

            Affiliate-style search links to reputable retailers. We don't endorse specific brands — verify third-party testing (USP, NSF, Informed Sport) before purchase.

            Herb
            Echinacea An…
            Amazon
            Wide selection · fast shipping
            Herb
            Echinacea An…
            iHerb
            Global delivery · curated brands
            Herb
            Echinacea An…
            Thorne
            Practitioner-grade · NSF tested

            Scientific evidence (8)

            Meta-analysisCochrane · 2014

            Echinacea for common cold

            Karsch-Volk M, et al.

            24 RCTs

            Key findings

            Modest benefit for prevention.

            Open study
            Systematic reviewPubMed (NLM) · 1970

            PubMed: Echinacea Angustifolia — Reduces URTI symptoms

            Live PubMed search

            Live results for "Echinacea Angustifolia Reduces URTI symptoms" across the PubMed/MEDLINE peer-reviewed index.

            Key findings

            Opens current human and preclinical literature matching Echinacea Angustifolia and "Reduces URTI symptoms". Filter by RCT, meta-analysis, or year on the results page.

            Open study
            Systematic reviewPubMed (NLM) · 1970

            PubMed: Echinacea Angustifolia — randomized controlled trial

            Live PubMed search

            Live results for "Echinacea Angustifolia randomized controlled trial" across the PubMed/MEDLINE peer-reviewed index.

            Key findings

            Opens current human and preclinical literature matching Echinacea Angustifolia and "randomized controlled trial". Filter by RCT, meta-analysis, or year on the results page.

            Open study
            Systematic reviewPubMed (NLM) · 1970

            PubMed: Echinacea Angustifolia — meta-analysis

            Live PubMed search

            Live results for "Echinacea Angustifolia meta-analysis" across the PubMed/MEDLINE peer-reviewed index.

            Key findings

            Opens current human and preclinical literature matching Echinacea Angustifolia and "meta-analysis". Filter by RCT, meta-analysis, or year on the results page.

            Open study
            Systematic reviewPubMed (NLM) · 1970

            PubMed: Echinacea Angustifolia — pharmacokinetics

            Live PubMed search

            Live results for "Echinacea Angustifolia pharmacokinetics" across the PubMed/MEDLINE peer-reviewed index.

            Key findings

            Opens current human and preclinical literature matching Echinacea Angustifolia and "pharmacokinetics". Filter by RCT, meta-analysis, or year on the results page.

            Open study
            Systematic reviewPubMed (NLM) · 1970

            PubMed: Echinacea Angustifolia — safety adverse events

            Live PubMed search

            Live results for "Echinacea Angustifolia safety adverse events" across the PubMed/MEDLINE peer-reviewed index.

            Key findings

            Opens current human and preclinical literature matching Echinacea Angustifolia and "safety adverse events". Filter by RCT, meta-analysis, or year on the results page.

            Open study
            Systematic reviewPubMed (NLM) · 1970

            PubMed: Echinacea Angustifolia — dose response

            Live PubMed search

            Live results for "Echinacea Angustifolia dose response" across the PubMed/MEDLINE peer-reviewed index.

            Key findings

            Opens current human and preclinical literature matching Echinacea Angustifolia and "dose response". Filter by RCT, meta-analysis, or year on the results page.

            Open study
            Systematic reviewGoogle Scholar · 1970

            Google Scholar: Echinacea Angustifolia — clinical evidence

            Live Scholar search

            Cross-database citation index for Echinacea Angustifolia as it relates to "clinical evidence".

            Key findings

            Includes preprints, theses, and journal articles. Useful for tracking citation counts and follow-on work.

            Open study
            Educational use only. This profile is not medical advice. Consult a qualified healthcare professional before starting any supplement, especially if you take prescription medication or have a chronic condition.