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evidence · mechanism · dose
Supplements/Herb

Eleuthero

aka Siberian ginseng · Eleutherococcus senticosus

Adaptogen used to support stamina, immune function, and stress resilience.

Cortisol ManagementEnergy ProductionImmune Function

Overview

Adaptogen used to support stamina, immune function, and stress resilience.

Natural sources
  • Eleutherococcus senticosus root
Common forms
  • Standardized eleutherosides

Mechanism of action

Eleutherosides modulate HPA axis and natural killer cell activity.

Pathways
  • · HPA modulation

Effects on the body

Supports
Stress resilience

Organ system effects

Evidence-based benefits

Mild reduction in fatigue

Limited evidence

May reduce duration of herpes outbreaks

Limited evidence

Potential side effects

Common
    Rare
    • · Insomnia
    Serious

      Drug interactions

      Digoxin
      Lab assay interference.
      moderate

      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
      • ·Alcohol, benzodiazepines, opioids, sedating antihistamines (additive CNS depression)
      • ·Immunosuppressants

      Supplement interactions

      Pairs well with

      None listed.

      Avoid combining with

      No specific avoidances listed.

      Dosing & bioavailability

      Typical dose
      300–1200 mg standardized

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

      Scientific evidence (9)

      Systematic reviewExamine.com Supplement Database · 2023

      Eleuthero: pharmacology, clinical evidence, and safety — narrative review

      Examine.com Research Team

      Curated narrative review of human and preclinical evidence for Eleuthero, including mechanism, typical dosing, and safety considerations.

      Key findings

      Best-supported outcome: Mild reduction in fatigue (evidence: limited). Additional outcomes and limitations summarized in the full profile.

      Open study
      Systematic reviewPubMed (NLM) · 1970

      PubMed: Eleuthero — Mild reduction in fatigue

      Live PubMed search

      Live results for "Eleuthero Mild reduction in fatigue" across the PubMed/MEDLINE peer-reviewed index.

      Key findings

      Opens current human and preclinical literature matching Eleuthero and "Mild reduction in fatigue". Filter by RCT, meta-analysis, or year on the results page.

      Open study
      Systematic reviewPubMed (NLM) · 1970

      PubMed: Eleuthero — May reduce duration of herpes outbreaks

      Live PubMed search

      Live results for "Eleuthero May reduce duration of herpes outbreaks" across the PubMed/MEDLINE peer-reviewed index.

      Key findings

      Opens current human and preclinical literature matching Eleuthero and "May reduce duration of herpes outbreaks". Filter by RCT, meta-analysis, or year on the results page.

      Open study
      Systematic reviewPubMed (NLM) · 1970

      PubMed: Eleuthero — randomized controlled trial

      Live PubMed search

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

      Key findings

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

      Open study
      Systematic reviewPubMed (NLM) · 1970

      PubMed: Eleuthero — meta-analysis

      Live PubMed search

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

      Key findings

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

      Open study
      Systematic reviewPubMed (NLM) · 1970

      PubMed: Eleuthero — pharmacokinetics

      Live PubMed search

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

      Key findings

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

      Open study
      Systematic reviewPubMed (NLM) · 1970

      PubMed: Eleuthero — safety adverse events

      Live PubMed search

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

      Key findings

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

      Open study
      Systematic reviewPubMed (NLM) · 1970

      PubMed: Eleuthero — dose response

      Live PubMed search

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

      Key findings

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

      Open study
      Systematic reviewGoogle Scholar · 1970

      Google Scholar: Eleuthero — clinical evidence

      Live Scholar search

      Cross-database citation index for Eleuthero 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.