Ashwagandha

Ashwagandha

Jarrow Formulas4.6 (13,776 ratings)
Format:Capsule Quantity: 120 Veggie Cap(s) · 120 servings
Goals

Product analysis

49 out of 100

Ashwagandha may help reduce perceived stress, with the clearest support tied to sustained use of the KSM-66 extract.

AI assessment of the formula, label and price. How scoring works

Nutrient Quality20

The preparation is not clearly disclosed in the ingredient details. That limits a confident comparison of ingredient quality.

Ingredient Transparency63

The serving amount is stated, making quantity comparisons easier. The form is less clearly disclosed in the ingredient details.

Value For Money40

The ashwagandha's value remains uncertain. Reliable cost comparisons for the preparation are unavailable.

Customer Satisfaction88

Customer feedback is positive. Many thousands of reviews provide a broad picture of satisfaction.

Product Focus65

Stress relief is the clearest purpose, with possible sleep benefits during repeated use. Conflicting directions leave it unclear whether daily use matches the routines behind those findings.

Format
Capsule
Container
120 Veggie Cap(s)
Per serving
$0.14
Customer rating
4.6 · 13,776 ratings
Report analysis

Goals

Mood Support
Impact
High effect
B- Ingredient FitD- PathwaysA+ EvidenceA+ Formulation Logic
Ashwagandha · 300 mg

KSM-66 ashwagandha may help stress-associated emotional well-being, with support tied to the identified extract and sustained use in stressed groups.

How this product is rated for Mood Support

Ingredient fit72

Ashwagandha account for the main saved ingredient contribution. Amounts and preparation details constrain the comparison.
Goal fit
Ashwagandha is the main ingredients counted toward mood support.
Dose adequacy
The declared serving amounts receive partial consideration; this compares amounts with supplied reference ranges, without proving a mood effect.

Pathways41

The strongest saved connection is to stress-hormone regulation, based on the counted ingredients; this does not itself demonstrate emotional improvement.
Depth
The strongest saved connection is to stress-hormone regulation, based on the counted ingredients; this does not itself demonstrate emotional improvement.
Breadth
One mood-related area reaches the saved coverage threshold, leaving the other areas less represented.

Evidence100

Ashwagandha provides the strongest saved evidence contribution here; its population and outcome limitations still apply.
Evidence strength
Ashwagandha provides the strongest saved evidence contribution here; its population and outcome limitations still apply.
Studied preparation
The counted ingredients meet the saved preparation criteria; this does not make all labelled forms interchangeable with every clinical trial.

Formulation logic100

The counted ingredients have no unmet partner requirement or matched ingredient conflict. Their amount criteria describe the saved comparison rather than proven effectiveness.
Partner coverage
The counted ingredients require no missing partner under the supplied findings; this does not imply an added benefit from combining them.
Conflicts
No listed ingredient conflict was matched in the supplied findings; this does not establish medication compatibility.
Effective doses
The counted ingredients meet the saved minimum amount criterion.
Study evidence
Impact
High effect
B- Ingredient FitD- PathwaysA+ EvidenceA+ Formulation Logic
Ashwagandha · 300 mg

Ashwagandha has stress- and insomnia-specific evidence, which does not establish routine broad health benefits in healthy, unstressed adults. Extract-specific findings do not apply to every preparation.

How this product is rated for Everyday Health

Ingredient fit70

Ashwagandha and the other relevant nutrients provide the main connection to general health. The formula is focused on the supported nutritional contribution.
Goal fit
The supported ingredients are focused on general-health nutrition, although the product is linked to several goals.
Dose adequacy
The relevant amounts provide partial nutritional contributions relative to the saved comparison amounts.

Pathways40

The strongest area is stress resilience and sleep. Contributions also reach the saved coverage level across stress resilience and sleep.
Depth
The strongest supported area is stress resilience and sleep, through the relevant nutrient contributions.
Breadth
The supported areas reaching the saved coverage level are stress resilience and sleep.

Evidence96

Ashwagandha leads the saved findings, but the supplied studies concern specific populations and preparations. They do not establish routine broad-health benefits in unstressed adults.
Evidence strength
Ashwagandha leads the saved findings, but population- and preparation-specific studies do not establish routine broad-health benefit.
Studied preparation
The relevant preparations match those recognized by the saved findings; this does not establish superiority of a form or delivery method.

Formulation logic100

The relevant ingredients can contribute independently, and no configured conflict was found. Their presence together does not establish an added combination benefit.
Partner coverage
The relevant ingredients can contribute independently or have their required partners present; no extra combination benefit is established.
Conflicts
No configured ingredient conflict was identified in the supplied findings.
Effective doses
All ingredients retained for contribution meet the saved amount threshold; that threshold does not prove a clinical benefit.
Study evidence
Productivity Boost
Impact
Moderate effect
B- Ingredient FitF PathwaysC+ EvidenceA+ Formulation Logic

Ashwagandha at 300 mg is relevant to stress and fatigue resilience. The supplied cognitive findings are small and preparation-specific, so they provide limited support for sustained productivity and cannot be transferred freely between extracts.

How this product is rated for Productivity Boost

Ingredient fit70

The assessed ingredients give the formula a clear connection to the goal. The assessed amounts provide a partial match to the saved dose comparisons.
Goal fit
The assessed ingredients give the formula a clear connection to the goal.
Dose adequacy
The assessed amounts provide a partial match to the saved dose comparisons.

Pathways13

The strongest saved connection is to stress-fatigue resilience, with limited coverage. The saved findings show limited breadth across the main productivity mechanisms.
Depth
The strongest saved connection is to stress-fatigue resilience, with limited coverage.
Breadth
The saved findings show limited breadth across the main productivity mechanisms.

Evidence65

Ashwagandha supplies the strongest assessed evidence in the formula. The relevance remains dependent on the population and outcome studied. The assessed ingredients at relevant amounts match preparations recognized in the saved findings.
Evidence strength
Ashwagandha supplies the strongest assessed evidence in the formula. The relevance remains dependent on the population and outcome studied.
Studied preparation
The assessed ingredients at relevant amounts match preparations recognized in the saved findings.

Formulation logic100

The assessed ingredients can contribute independently or have their required partner present. No ingredient conflicts were identified in the saved assessment.
Partner coverage
The assessed ingredients can contribute independently or have their required partner present.
Conflicts
No ingredient conflicts were identified in the saved assessment.
Effective doses
All assessed contributors meet the saved minimum amount comparison.
Study evidence
Cognitive Support
Impact
Moderate effect
C Ingredient FitF PathwaysA- EvidenceA+ Formulation Logic
Ashwagandha · 300 mg

The 300 mg serving explicitly identifies KSM-66 ashwagandha root extract. Selected memory and attention findings give it a possible connection to cognitive support, including stress-related aspects, but results depend on the preparation and population and do not imply a broad memory benefit.

How this product is rated for Cognitive Support

Ingredient fit60

The relevant ingredient is the main focus, although it is also associated with several other goals. The assessed serving lies at the low end of the saved exposure comparison.
Goal fit
The relevant ingredient is the main focus, although it is also associated with several other goals.
Dose adequacy
The assessed serving lies at the low end of the saved exposure comparison.

Pathways9

The strongest assessed connection is stress and arousal regulation, with limited coverage. None of the assessed mechanisms reaches the saved coverage threshold.
Depth
The strongest assessed connection is stress and arousal regulation, with limited coverage.
Breadth
None of the assessed mechanisms reaches the saved coverage threshold.

Evidence87

Ashwagandha provides the strongest evidence connection among the ingredients at the assessed amounts. That comparison does not imply a benefit for every user. The ingredients included in the saved effective-amount comparison meet its preparation criteria; this alone does not establish broad cognitive benefit.
Evidence strength
Ashwagandha provides the strongest evidence connection among the ingredients at the assessed amounts. That comparison does not imply a benefit for every user.
Studied preparation
The ingredients included in the saved effective-amount comparison meet its preparation criteria; this alone does not establish broad cognitive benefit.

Formulation logic100

The assessed ingredients can stand alone or have the required partner present. No configured ingredient conflicts were identified in the supplied findings. 1 of 1 meet the saved minimum exposure comparison. Meeting it does not guarantee an effect.
Partner coverage
The assessed ingredients can stand alone or have the required partner present.
Conflicts
No configured ingredient conflicts were identified in the supplied findings.
Effective doses
1 of 1 meet the saved minimum exposure comparison. Meeting it does not guarantee an effect.
Study evidence
Stress Relief
Impact
Highest effect
A Ingredient FitB PathwaysA EvidenceA+ Formulation Logic
Ashwagandha · 300 mg

KSM-66 ashwagandha may reduce perceived psychological stress, with supporting findings from several extract trials. Its 300 mg per serving meets the saved amount reference for this preparation. Variation in extract studies, outcomes and duration limits expectations, and one serving does not establish the repeated-use regimen studied.

How this product is rated for Stress Relief

Ingredient fit90

The relevant ingredients give this formula a clear connection to stress support, alongside broader wellness uses. The counted ingredients meet the saved amount references; this does not mean larger amounts produce greater stress relief.
Goal fit
The relevant ingredients give this formula a clear connection to stress support, alongside broader wellness uses.
Dose adequacy
The counted ingredients meet the saved amount references; this does not mean larger amounts produce greater stress relief.

Pathways77

The strongest saved finding concerns stress-hormone regulation, rather than equal support across every aspect of stress. The saved findings cover stress-hormone regulation, sleep recovery. These ingredient roles do not establish distinct clinical benefits.
Depth
The strongest saved finding concerns stress-hormone regulation, rather than equal support across every aspect of stress.
Breadth
The saved findings cover stress-hormone regulation, sleep recovery. These ingredient roles do not establish distinct clinical benefits.

Evidence95

Ashwagandha provides the strongest supplied support here; study populations, preparations and outcomes limit how broadly relief can be expected.
Evidence strength
Ashwagandha provides the strongest supplied support here; study populations, preparations and outcomes limit how broadly relief can be expected.
Studied preparation
The counted preparations meet the saved preparation check, without proving that every formulation produces the same effects.

Formulation logic100

The counted ingredients have no required missing partner in the saved findings; added benefits from combining them are not established. No specified ingredient conflict was identified in the saved findings.
Partner coverage
The counted ingredients have no required missing partner in the saved findings; added benefits from combining them are not established.
Conflicts
No specified ingredient conflict was identified in the saved findings.
Effective doses
All counted ingredients meet the saved minimum amount criterion; this does not establish independent stress relief from each ingredient.
Study evidence
Fitness
Impact
High effect
B- Ingredient FitF PathwaysA- EvidenceA+ Formulation Logic
Ashwagandha · 300 mg

KSM-66 ashwagandha has limited, preparation-specific evidence for supporting resistance-training outcomes. Its contribution depends on repeated use alongside training rather than an acute pre-workout effect. The selected serving is compared with the study exposure without assuming a daily regimen, and a larger amount does not establish greater benefit.

How this product is rated for Fitness

Ingredient fit70

Ashwagandha provides a relevant fitness contribution. The selected serving supplies partial contributions toward the comparison exposures, without establishing an effective personal regimen.
Goal fit
Ashwagandha gives this product a focused connection to the fitness goal.
Dose adequacy
The selected serving supplies partial contributions toward the comparison exposures, without establishing an effective personal regimen.

Pathways16

The strongest contribution concerns muscle protein synthesis. Coverage remains limited at this serving.
Depth
The strongest saved contribution concerns muscle protein synthesis, reflecting the relevant ingredients and serving amounts.
Breadth
No mapped performance area reaches substantial coverage; the nutrient contribution remains distinct from broad exercise enhancement.

Evidence86

Ashwagandha evidence is specific to the studied root extract and repeated resistance training, without an established acute effect.
Evidence strength
Ashwagandha evidence is specific to the studied root extract and repeated resistance training, without an established acute effect.
Studied preparation
The relevant preparations meet the saved criteria; this does not establish superiority of forms or replicate a complete study regimen.

Formulation logic100

The relevant ingredients have the partners they require, and no configured conflict was identified. Included amounts meet the saved minimum comparison.
Partner coverage
The relevant ingredients can contribute independently or have their required partners present; an additional combination benefit is not established.
Conflicts
No configured ingredient conflict was identified in the supplied findings.
Effective doses
All included ingredients meet the saved minimum amount comparison; this is not proof of benefit from a single serving.
Study evidence

Ingredients

IngredientAmount per servingScore
Ashwagandha extract
300 mg 65
Gluten Free Adults 18–50 Vegan Dairy Free Vegetarian
Report overview
Ashwagandha · 300 mg OverallScore65
F Composition And Label DisclosureA+ Composition And Label Disclosure
+4
Each serving contains 300 mg of ashwagandha extract. Its withanolide concentration is unknown in the saved facts, so the extract cannot be compared on that measure.
How this ingredient is rated

Composition and Label Disclosure30

The preparation is identified as ashwagandha extract; its withanolide concentration is not available in the saved facts.
Withanolide and Preparation Disclosure
The saved facts identify ashwagandha extract, but do not provide a withanolide concentration.

Composition and Label Disclosure100

The extract amount is individually stated at 300 mg per serving.
Individual Preparation Amount Disclosure
The ashwagandha extract amount is individually listed at 300 mg per serving.

Commercial Price and Usability

The evaluation does not include an ingredient price comparison.
Report alternatives

Sources

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

  1. Acute and Repeated Ashwagandha Supplementation Improves Markers of Cognitive Function and Mood.
    Leonard M; Dickerson B; Estes L; Gonzalez DE; Jenkins V; Johnson S; Xing D; Yoo C; Ko J; Purpura M; Jäger R; Faries M; Kephart W; Sowinski R; Rasmussen CJ; Kreider RB · Nutrients · 2024
    Randomized trial59 participantsBrain Health Cognitive Support Energy forAshwagandha
  2. Effect of ashwagandha (Withania somnifera) extract with Sominone (Somin-On™) to improve memory in adults with mild cognitive impairment: A randomized, double-blind, placebo-controlled study.
    Rai HP; Mishra DN · Journal of psychopharmacology (Oxford, England) · 2025
    Randomized trial40 participantsBrain Health Cognitive Support Mental Focus forAshwagandha
  3. Efficacy of Withania somnifera supplementation on adult's cognition and mood.
    Remenapp A; Coyle K; Orange T; Lynch T; Hooper D; Hooper S; Conway K; Hausenblas HA · Journal of Ayurveda and integrative medicine · 2022
    Randomized trial60 participantsBrain Health Cognitive Support Productivity Boost forAshwagandha
  4. A clinical assessment of the therapeutic effects of Ashwagandha root extract on cognitive performance, sleep, and fatigue in children aged 6-12 years.
    Saxena A; Lopresti A; Sharif M; Elon N; Suri R; Langade DK · Frontiers in nutrition · 2026
    Randomized trial85 participantsBrain Health Mental Focus forAshwagandha
  5. Efficacy and Safety of Ashwagandha Root Extract on Cognitive Functions in Healthy, Stressed Adults: A Randomized, Double-Blind, Placebo-Controlled Study.
    Gopukumar K; Thanawala S; Somepalli V; Rao TSS; Thamatam VB; Chauhan S · Evidence-based complementary and alternative medicine : eCAM · 2022
    Randomized trial130 participantsBrain Health Sleep Support Stress Relief forAshwagandha
  6. A standardized Ashwagandha root extract alleviates stress, anxiety, and improves quality of life in healthy adults by modulating stress hormones: Results from a randomized, double-blind, placebo-controlled study.
    Majeed M; Nagabhushanam K; Mundkur L · Medicine · 2023
    Randomized trial54 participantsCognitive Support Mental Focus forAshwagandha
  7. Efficacy and safety of ashwagandha root extract in children and adolescents with mild attention-deficit/hyperactivity disorder: a randomized, double-blind, placebo-controlled trial.
    Naik S; Muralidhar G; Rao BS; Agarwal S; Jain M · Journal of medicine and life · 2026
    Randomized trial58 participantsCognitive Support Mental Focus forAshwagandha
  8. Effects of multi-herb and ashwagandha root formulas on stress modulation: a randomized, double-blind, placebo-controlled clinical study.
    McKinney E; Stewart J; Kewalramani R; Singh S · Trials · 2026
    Randomized trial186 participantsEnergy Mood Support forAshwagandha
  9. Efficacy and Safety of Low-Dose Ashwagandha Supplementation on Exercise Endurance: A Randomized, Placebo-Controlled, Double-Blind, Clinical Trial.
    Prajapati H; Satia M; Shah D; Basera I; Shah T · Phytotherapy research : PTR · 2026
    Randomized trialEnergy forAshwagandha
  10. Enhancing healthspan with Ashwagandha (Withania somnifera): a comprehensive review of its multifaceted geroprotective benefits.
    Vittal M; Vinciguerra M · Biogerontology · 2025
    Narrative reviewEnergy forAshwagandha
  11. Safety and Efficacy of Ashwagandha Root Extract on Cognition, Energy and Mood Problems in Adults: Prospective, Randomized, Placebo-Controlled Study.
    Kale S; Lopresti A; Suri R; Garg N; Langade D · Journal of psychoactive drugs · 2026
    Randomized trial120 participantsEnergy Productivity Boost forAshwagandha
  12. A randomized, double blind, placebo controlled study to evaluate the effects of ashwagandha (Withania somnifera) extract on sleep quality in healthy adults.
    Deshpande A; Irani N; Balkrishnan R; Benny IR · Sleep medicine · 2021
    Randomized trial150 participantsEveryday Health Sleep Support forAshwagandha
  13. Effects of Ashwagandha ( Withania somnifera) standardized root extract on physical endurance and VO 2max in healthy adults performing resistance training: An eight-week, prospective, randomized, double-blind, placebo-controlled study.
    Verma N; Gupta SK; Patil S; Tiwari S; Mishra AK · F1000Research · 2024
    Randomized trial80 participantsEveryday Health Fitness Muscle Gain forAshwagandha
  14. Efficacy of Ashwagandha (Withania somnifera [L.] Dunal) in improving cardiorespiratory endurance in healthy athletic adults.
    Choudhary B; Shetty A; Langade DG · Ayu · 2016
    Randomized trial50 participantsEveryday Health Fitness forAshwagandha
  15. Withania somnifera (L.) Dunal as Add-On Therapy for COPD Patients: A Randomized, Placebo-Controlled, Double-Blind Study.
    Singh P; Salman KA; Shameem M; Warsi MS · Frontiers in pharmacology · 2022
    Randomized trial150 participantsEveryday Health forAshwagandha
  16. Effect of Ashwagandha (Withania somnifera) extract on sleep: A systematic review and meta-analysis.
    Cheah KL; Norhayati MN; Husniati Yaacob L; Abdul Rahman R · PloS one · 2021
    Meta-analysis400 participants5 studies pooledEveryday Health Productivity Boost forAshwagandha
  17. Effects of an Aqueous Extract of Withania somnifera on Strength Training Adaptations and Recovery: The STAR Trial.
    Ziegenfuss TN; Kedia AW; Sandrock JE; Raub BJ; Kerksick CM; Lopez HL · Nutrients · 2019
    Randomized trial38 participantsFitness forAshwagandha
  18. Effects of Withania somnifera (L.) Dunal (Ashwagandha) on cognitive and physical function in adults: a systematic review and meta-analysis.
    Zhu X; Zeng Q; Lei Y; Xu D · Frontiers in pharmacology · 2026
    Meta-analysis1,249 participants20 studies pooledFitness Muscle Gain Testosterone Support forAshwagandha
  19. Effects of eight-week supplementation of Ashwagandha on cardiorespiratory endurance in elite Indian cyclists.
    Shenoy S; Chaskar U; Sandhu JS; Paadhi MM · Journal of Ayurveda and integrative medicine · 2013
    Randomized trial40 participantsFitness forAshwagandha
  20. Efficacy and Safety of Ashwagandha (Withania somnifera (L.) Dunal) Root Extract in Improving Memory and Cognitive Functions.
    Choudhary D; Bhattacharyya S; Bose S · Journal of dietary supplements · 2018
    Randomized trial50 participantsMental Focus forAshwagandha