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Eleuthero 500 mg

NOW
4.6
★ ★ ★ ★ ★
(2692 ratings)
Eleuthero 500 mg
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Score82
A useful whole-herb amount and long supply make this a practical eleuthero option, with unstandardized potency as the main limitation.
How scoring works
Quantity:250 Capsule(s) • (250 servings)
Goals:
Energy
Stress Relief
Mental Focus

Score 82

A useful whole-herb amount and long supply make this a practical eleuthero option, with unstandardized potency as the main limitation.
How scoring works
$14.50($0.05 per serving)
Daily Vita
$ 14.50
iHerb
$ 15.30
Vitacost
$ 16.59
Amazon
$ 14.50
Pure Formulas
$ 15.11
Report prices

Analysis

Organic eleuthero is supplied at 500 mg in one capsule. That amount reaches a practical starting level for whole-herb adaptogen use.

The single ingredient may support stamina when sustained stress contributes to fatigue. It is less suited to immediate alertness, memory, or broad cognitive support.

A very long bottle supply makes consistent use inexpensive and simple. The label would be stronger with root-part confirmation and a standardized eleutheroside yield.

Who is it for
  • Adults seeking support for stress-related fatigue
  • People who prefer a one-capsule herbal routine
Best for
  • Adaptogenic stamina support
  • Budget-friendly long-term eleuthero use

Pros

  • Useful 500 mg whole-herb amount
  • Organic sourcing is stated
  • One active ingredient
  • Very long container supply

Cons

  • Root part is not identified
  • No eleutheroside standardization
  • Not a concentrated extract
  • Narrow support beyond stress resilience

Warnings

  • The 500 mg serving of eleuthero may feel stimulating and can disrupt sleep when taken late.
  • Eleuthero may raise blood pressure or heart rate in sensitive users, especially with uncontrolled hypertension or rhythm problems.
  • Combining eleuthero with caffeine or other stimulants may increase jitteriness or restlessness.

Nutrient quality

86 Highest impact

Organic whole eleuthero reaches the minimum useful powder amount but lacks active-marker standardization. The single-herb formula closely fits focused eleuthero use.

Ingredient transparency

76 High impact

Listed active weights are mostly clear, and no proprietary blend hides a combined amount. Complete use directions and inactive ingredients are not supplied, while the eleuthero name is understandable, but species, plant part, extract ratio, or marker details are incomplete.

Customer satisfaction

72 High impact

The average rating is good, and the review count is large. No review text is supplied to assess recurring complaints or purpose-specific experience.

Value for money

97 Highest impact

The useful eleuthero amount and simple formula strongly justify the cost. Serving value is excellent for the delivered amount.

Report analysis

Goals

Energy
Energy
Impact
Highest effect
B+ Goal FitB Strength of SupportC+ CoverageA+ Formula Quality

Eleuthero offers a stress-resilience pathway that may support stamina during demanding periods. The 500 mg whole-herb amount reaches a meaningful powder threshold.

Missing eleutheroside standardization, extract ratio, and root identification limit confidence in active strength. The single botanical provides no direct mitochondrial fuel or acute-alertness pathway.

Study evidence
Eleuthero Disputed 3 studies
Stress Relief
Stress Relief
Impact
High effect
B- Goal FitC Strength of SupportC- CoverageA Formula Quality
Eleuthero · 500 mg

Eleuthero may support stamina and adaptation during sustained pressure rather than immediate calm. The whole-herb amount reaches a practical starting level.

Absent root identification, extract ratio, and eleutheroside standardization weaken confidence in active quality. Evidence for perceived stress is less direct than for better-studied adaptogens.

Study evidence
Eleuthero No effect 1 study
Mental Focus
Mental Focus
Impact
High effect
C Goal FitB- Strength of SupportD CoverageA+ Formula Quality

Eleuthero may support mental stamina and reduce fatigue during periods of stress. It is not an immediate stimulant, and human evidence for attention is less consistent than for caffeine or established nootropics.

The 500 mg organic root amount is clear, but no extract ratio or active-marker standardization is provided. The single-herb design is focused but covers only stress resilience.

Study evidence
Eleuthero Disputed 3 studies
Productivity Boost
Productivity Boost
Impact
Moderate effect
C Goal FitD+ Strength of SupportD+ CoverageA+ Formula Quality
Eleuthero · 500 mgEleuthero · 500 mg

Eleuthero may support work capacity when stress and fatigue are limiting performance. Evidence for direct attention improvement is limited, making it a modest adaptogenic option rather than a strong nootropic.

The whole-root amount is meaningful, but no extract ratio or eleutheroside standardization is disclosed. The single-ingredient design is clean, with uncertain potency as its main limitation.

Study evidence
Eleuthero No effect 1 study
Eleuthero Not classified

No linked studies yet.

Cognitive Support
Cognitive Support
Impact
Moderate effect
D+ Goal FitD+ Strength of SupportF CoverageA- Formula Quality

Eleuthero may support mental endurance during stress or fatigue, but it is not a direct memory or attention ingredient. Human evidence for cognitive resilience is limited and less consistent than evidence for established nootropics.

The 500 mg whole-herb amount reaches a basic supplemental threshold but is not a concentrated extract. Organic sourcing is disclosed, while plant part, eleutheroside standardization, and extract ratio are absent.

Study evidence
Eleuthero No effect 1 study

Ingredients

IngredientAmount per serving
organic Eleuthero
500 mg
Gluten Free Adults 18–50 Vegan Dairy Free Vegetarian
Report overview
Eleuthero · 500 mg OverallScore60
F Active Ingredient Quality & BioavailabilityB Dose, Safety & Label TransparencyA+ Value

A clearly measured whole-herb amount reaches the minimum useful powder threshold in a convenient capsule. No eleutheroside standardization, extract ratio, or root identification confirms higher active quality. Very low serving cost and a long bottle yield make it a practical budget option despite those quality limits.

View ingredientView products
Loading alternative details
81 Performance

Eleuthero 2000 mg Alcohol-Free

Nature's Answer
<p>A concentrated alcohol-free eleuthero root liquid provides a large disclosed extract amount. The direct eleuthero focus and disclosed amount make it a stronger ingredient-led option. It stays close to the original single-herb purpose, although active-marker percentages are not stated.</p>
81 Performance

Adrenal Serenity

Natural Factors Stress-Relax
<p>Sensoril ashwagandha, eleuthero, lavender, and rhodiola create a concise stress-focused adaptogen blend. The named extracts and broader adaptogen strategy offer stronger ingredient depth. The added adaptogens broaden the formula, so it is less suitable for someone seeking eleuthero alone.</p>
73 Performance

HPA Adapt

Integrative Therapeutics
<p>Substantial Sensoril ashwagandha, rhodiola, eleuthero, holy basil, and maca create deep adaptogen coverage. The named extracts and broader adaptogen strategy offer stronger ingredient depth. The added adaptogens broaden the formula, so it is less suitable for someone seeking eleuthero alone.</p>
83 Budget

Eleuthero Root 425 mg

Swanson Premium Brand
<p>A straightforward eleuthero serving provides a larger total herb amount in a simple capsule. No eligible option undercuts the original’s serving cost, but this is among the more economical supplied choices. It stays close to the original single-herb purpose, although active-marker percentages are not stated.</p>
80 Budget

Eleuthero

Paradise
<p>A focused Siberian eleuthero root extract offers a simple single-herb option. No eligible option undercuts the original’s serving cost, but this is among the more economical supplied choices. It stays close to the original single-herb purpose, although active-marker percentages are not stated.</p>
81 Budget

Eleuthero Glycerite

Herb Pharm
<p>A glycerite liquid supplies a substantial disclosed eleuthero root-extract amount. No eligible option undercuts the original’s serving cost, but this is among the more economical supplied choices. It stays close to the original single-herb purpose, although active-marker percentages are not stated.</p>
79 Value

Dual Ginseng Plus

Swanson Superior Herbs
<p>Marker-identified ginseng and eleuthero extracts pair with ashwagandha in a practical adaptogen blend. The ingredient profile and practical serving economics create a favorable balance of quality and value. The added adaptogens broaden the formula, so it is less suitable for someone seeking eleuthero alone.</p>
77 Value

Energy Xtra

Pure Encapsulations
<p>Ashwagandha, ginseng, eleuthero, and marker-identified rhodiola form a coherent energy-focused adaptogen blend. The ingredient profile and practical serving economics create a favorable balance of quality and value. The added adaptogens broaden the formula, so it is less suitable for someone seeking eleuthero alone.</p>
81 Value

AdrenaSense

Natural Factors WS WomenSense
<p>Marker-identified rhodiola, eleuthero, ashwagandha, and schisandra provide clear adaptogen breadth. The ingredient profile and practical serving economics create a favorable balance of quality and value. The added adaptogens broaden the formula, so it is less suitable for someone seeking eleuthero alone.</p>
Report alternatives

Sources

Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.

  1. No benefit adding eleutherococcus senticosus to stress management training in stress-related fatigue/weakness, impaired work or concentration, a randomized controlled study.
    Schaffler K; Wolf OT; Burkart M · Pharmacopsychiatry · 2014
    Randomized trial144 participantsCognitive Support Mental Focus Productivity Boost Stress Relief forEleuthero
  2. Evidence-based efficacy of adaptogens in fatigue, and molecular mechanisms related to their stress-protective activity.
    Panossian A; Wikman G · Current clinical pharmacology · 2009
    Narrative reviewEnergy Mental Focus forEleuthero
  3. Randomized controlled trial of Siberian ginseng for chronic fatigue.
    Hartz AJ; Bentler S; Noyes R; Hoehns J; Logemann C; Sinift S; Butani Y; Wang W; Brake K; Ernst M; Kautzman H · Psychological medicine · 2004
    Randomized trial96 participantsEnergy forEleuthero
  4. The effect of eight weeks of supplementation with Eleutherococcus senticosus on endurance capacity and metabolism in human
    J Kuo, K W Chen, I S Cheng, P H Tsai, Y J Lu, N Y Lee · Chinese Journal of Physiology · 2010
    Randomized trial9 participantsEnergy forEleuthero
  5. Stimulating effect of adaptogens: an overview with particular reference to their efficacy following single dose administration.
    Panossian A; Wagner H · Phytotherapy research : PTR · 2005
    Narrative reviewMental Focus forEleuthero