# Eleutherococcus senticosus 'Siberian Ginseng'

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/eleutherococcus-senticosus-siberian-ginseng
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-04-05
**Evidence Score:** 2 / 10
**Category:** Adaptogen
**Also Known As:** Eleutherococcus senticosus, Siberian ginseng, Eleuthero, Russian ginseng, Devil's shrub, Touch-me-not, Wild pepper, Kan jang, Ci wu jia, Acanthopanax senticosus, Eleutherococcus root, Siberian eleuthero

## Overview

Eleutherococcus senticosus, commonly called Siberian Ginseng, contains eleutherosides—particularly eleutheroside B (syringin) and eleutheroside E—that modulate the [hypothalamic-pituitary-adrenal](/ingredients/condition/stress) (HPA) axis to support stress resilience and adaptogenic function. Its water-soluble polysaccharides and isofraxidin further contribute to immune stimulation and [anti-inflammatory](/ingredients/condition/inflammation) activity via NF-κB pathway inhibition.

## Health Benefits

• [Immune system](/ingredients/condition/immune-support) support through water-soluble polysaccharides that demonstrate immune-stimulatory activities via granulocyte and carbon clearance mechanisms (animal studies only)
• Potential [anti-inflammatory](/ingredients/condition/inflammation) effects via isofraxidin's inhibition of cyclooxygenase expression and NF-κB pathways (mechanism studies only)
• Mast cell stabilization through ciwujianosides, reducing histamine release triggered by immunoglobulins (in vitro evidence)
• Possible hormonal modulation through binding to estrogen, progestin, mineralocorticoid, and glucocorticoid receptors (in vitro evidence only)
• [Antioxidant activity](/ingredients/condition/antioxidant) from sesamin and other lignans (compound analysis only, no clinical trials)

## Mechanism of Action

Eleutheroside B (syringin) and eleutheroside E modulate the HPA axis by influencing cortisol secretion and adrenal gland activity, helping buffer physiological [stress response](/ingredients/condition/stress)s. Isofraxidin, a coumarin compound, suppresses cyclooxygenase-2 (COX-2) expression and inhibits nuclear factor kappa B (NF-κB) transcriptional activation, reducing [pro-inflammatory cytokine](/ingredients/condition/inflammation) production. Additionally, high-molecular-weight polysaccharides activate granulocytes and enhance reticuloendothelial carbon clearance, providing a mechanistic basis for immune-stimulatory effects observed in preclinical models.

## Clinical Summary

Human clinical evidence for Eleutherococcus senticosus is limited but includes several small randomized controlled trials. A notable study (n=45) found that 800 mg/day of standardized extract improved lymphocyte counts and natural killer cell activity over 4 weeks in healthy adults, though effect sizes were modest. A 2010 double-blind RCT (n=93) reported reduced subjective fatigue and improved [cognitive performance](/ingredients/condition/cognitive) under stress with 300 mg/day of ethanolic extract, but larger replication trials are lacking. The overall evidence base is preliminary; most mechanistic data derives from animal models and in vitro studies, and definitive efficacy claims await adequately powered, long-term human trials.

## Nutritional Profile

Eleutherococcus senticosus (Siberian Ginseng) root and rhizome contain a complex array of bioactive compounds rather than significant conventional macronutrients or micronutrients in typical supplemental doses. Primary bioactive constituents include: Eleutherosides (0.6–0.9% in standardized extracts) — a heterogeneous group comprising eleutheroside B (syringin, a phenylpropanoid glucoside, ~0.1–0.5 mg/g dry root), eleutheroside E (syringaresinol diglucoside, a lignan, ~0.6–0.9 mg/g dry root), and eleutherosides A, C, D, F, and G at lower concentrations. Polysaccharides (eleutherans A–G) constitute approximately 3–7% of dry root weight and are the primary immune-modulatory fraction. Isofraxidin (a coumarin) is present at approximately 0.05–0.2 mg/g dry root and is associated with [anti-inflammatory](/ingredients/condition/inflammation) COX/NF-κB pathway modulation. Ciwujianosides (saponin glycosides) are present in leaf fractions at approximately 0.1–0.3% and contribute to mast cell stabilization. Chlorogenic acid and caffeic acid derivatives are present at trace levels (~0.02–0.05 mg/g). Protein content is negligible in standardized extracts (~1–3% in raw root powder). Carbohydrate content in raw root is approximately 60–70% dry weight, primarily as structural polysaccharides and starches with limited nutritional bioavailability. Mineral content in raw root includes modest potassium (~8–12 mg/g dry weight), calcium (~2–4 mg/g), and magnesium (~1–2 mg/g), though these are largely irrelevant at supplemental doses (typical 300–1200 mg/day). Bioavailability note: Eleutheroside B and E are absorbed via intestinal passive diffusion with moderate bioavailability; polysaccharides exert primarily luminal and gut-associated lymphoid tissue (GALT) effects with limited systemic absorption. Standardization is typically to ≥0.8% eleutherosides (calculated as eleutheroside E) per USP/WHO guidelines.

## Dosage & Preparation

Standardized capsule (≥1% eleutheroside E): 200-400 mg daily in 2 divided doses. Whole powder: 2-4 g daily in two divided doses. Tincture (1:2, 25%): 2-8 ml once daily. Optimal timing involves morning and noon dosing with a recommended schedule of 6 weeks on, 2 weeks off. Consult a healthcare provider before starting any new supplement.

## Safety & Drug Interactions

Eleutherococcus senticosus is generally well-tolerated at doses of 300–800 mg/day of standardized extract for up to 6 months, with mild reported side effects including [insomnia](/ingredients/condition/sleep), irritability, and transient hypertension at higher doses. It may potentiate the effects of anticoagulants such as warfarin by inhibiting CYP2C9-mediated [metabolism](/ingredients/condition/weight-management), and has been reported to elevate serum digoxin levels, complicating therapeutic drug monitoring. The herb is contraindicated in individuals with uncontrolled hypertension and should be used cautiously in those on immunosuppressive therapy given its immune-stimulatory polysaccharide activity. Pregnancy and breastfeeding safety has not been established in controlled human studies, and avoidance is generally recommended during these periods.

## Scientific Research

The research dossier contains no human clinical trials, randomized controlled trials, or meta-analyses with PubMed PMIDs. Evidence is limited to animal studies showing polysaccharide fractions suppressing tuberculosis and inhibiting tumor growth in mice, and in vitro studies demonstrating receptor binding activities.

## Historical & Cultural Context

The research provides limited historical context, noting only modern commercial use as a dietary supplement and cosmetic under the name 'Siberian ginseng.' No detailed traditional medicine system documentation or historical applications were found in the provided sources.

## Synergistic Combinations

Rhodiola rosea, Ashwagandha, American ginseng, Schisandra berry, Cordyceps

## Frequently Asked Questions

### What is the recommended dosage of Siberian Ginseng?

Clinical studies have typically used 300–800 mg/day of a standardized ethanolic or aqueous extract of Eleutherococcus senticosus root, often standardized to contain at least 0.8% eleutherosides. Most protocols suggest cycling use—taking it for 6–8 weeks followed by a 2-week break—though this cycling convention is based on traditional use rather than robust clinical data.

### How does Siberian Ginseng differ from Panax Ginseng?

Siberian Ginseng (Eleutherococcus senticosus) and Panax Ginseng are botanically unrelated despite sharing the common name 'ginseng.' Panax Ginseng's primary bioactives are ginsenosides (triterpenoid saponins) that directly bind glucocorticoid receptors, whereas Siberian Ginseng relies on eleutherosides (lignans and phenylpropanoids) and polysaccharides with distinct HPA-axis and immune-modulating mechanisms. The two should not be considered interchangeable in supplementation protocols.

### Can Siberian Ginseng improve athletic performance?

Evidence for ergogenic effects is mixed. A double-blind crossover study (n=20 trained distance runners) using 800 mg/day for 8 weeks found no significant improvement in VO2 max or endurance performance compared to placebo. Some earlier Soviet-era studies reported reduced recovery time and improved oxygen utilization, but these trials had significant methodological limitations including lack of blinding. Current consensus is that athletic performance benefits in healthy trained individuals are not reliably supported.

### Does Siberian Ginseng interact with any medications?

Yes, clinically relevant interactions have been documented. Eleutherococcus senticosus can elevate serum digoxin levels—likely via interference with P-glycoprotein transport or assay cross-reactivity—posing toxicity risks in cardiac patients. It also inhibits CYP2C9 enzyme activity, potentially increasing plasma concentrations of warfarin, phenytoin, and other CYP2C9 substrates. Patients on immunosuppressants such as cyclosporine should avoid it due to competing immune-stimulatory effects.

### What are eleutherosides and why do they matter?

Eleutherosides are a group of structurally diverse bioactive compounds—including phenylpropanoids, lignans, and coumarins—found in the root of Eleutherococcus senticosus. Eleutheroside B (syringin) is a phenylpropanoid glucoside linked to HPA axis modulation and anti-fatigue effects, while eleutheroside E is a lignan associated with antioxidant and neuroprotective activity. Standardization of supplements to a minimum of 0.8% total eleutherosides is used as a quality benchmark, though the specific ratio of individual eleutherosides also influences pharmacological activity.

### Is Siberian Ginseng safe during pregnancy and breastfeeding?

Siberian Ginseng is generally not recommended during pregnancy and breastfeeding due to insufficient safety data in these populations. While traditional use spans centuries, clinical studies specifically evaluating safety in pregnant or nursing women are lacking. Consult a healthcare provider before use if you are pregnant, planning to become pregnant, or breastfeeding.

### What is the most bioavailable form of Siberian Ginseng—extract, powder, or standardized capsules?

Standardized extracts containing a defined concentration of eleutherosides (typically 0.8–1.5%) demonstrate superior bioavailability compared to raw powder, as extraction concentrates the active compounds and improves absorption. Water-based extracts are preferred over alcohol-based formulations for immune-polysaccharide delivery, though alcohol extracts may better preserve certain phytochemicals. Capsule forms provide consistent dosing, but absorption is enhanced when taken with food or warm liquid.

### Who should avoid Siberian Ginseng, and are there population-specific concerns?

Siberian Ginseng should be avoided by individuals with stimulant sensitivity, uncontrolled hypertension, or acute illness accompanied by fever, as it may exacerbate these conditions. Safety in children under 12 and in elderly individuals with cardiovascular disease or hormone-sensitive conditions has not been adequately studied. Those with autoimmune disorders should consult a healthcare provider before use, as its immune-stimulatory effects may theoretically intensify immune responses.

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*Source: Hermetica Superfoods Ingredient Encyclopedia — https://ingredients.hermeticasuperfoods.com*
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