Product Image

Ashwagandha 500 mg

Nature's Way
4.6
★ ★ ★ ★ ★
(2777 ratings)
Ashwagandha 500 mg
Product Image
Score84
Root-source disclosure and a link to withanolides give the active useful identity, though the marker amount is not shown. Absent withanolide percentage and extract ratio leave some uncertainty about exact potency.
How scoring works
Quantity:60 Capsule(s) • (60 servings)
Goals:
Sleep Support
Stress Relief
Productivity Boost
Mood Support
Testosterone Support
Fitness
Muscle Gain
Cognitive Support
Brain Health

Score 84

Root-source disclosure and a link to withanolides give the active useful identity, though the marker amount is not shown. Absent withanolide percentage and extract ratio leave some uncertainty about exact potency.
How scoring works
$16.28($0.27 per serving)
Pure Formulas
$ 20.35
Vitacost
$ 21.99
Amazon
$ 16.28
iHerb
$ 21.49
Walmart
$ 21.94
iHerb
$ 21.99
Report prices

Analysis

The serving provides 500 mg of ashwagandha root extract. Root-source disclosure and a link to withanolides give the active useful identity, though the marker amount is not shown.

Ashwagandha is commonly used to support stress-related well-being and may also fit sleep or mood goals. The focused one-capsule formula offers 60 servings without unrelated active blends.

Absent withanolide percentage and extract ratio leave some uncertainty about exact potency. Safety considerations are important because the herb may cause drowsiness or stomach upset and can interact with several health conditions and medicines.

Who is it for
  • Adults seeking a focused root extract
  • People who prefer one capsule daily
Best for
  • Stress and sleep support
  • Simple ashwagandha supplementation

Pros

  • Identifies root extract
  • Links material to withanolides
  • One capsule per serving

Cons

  • Withanolide amount is not quantified
  • Extract ratio is not stated
  • No supporting ingredients are included

Warnings

  • Ashwagandha may cause drowsiness or stomach upset; use extra care before driving until individual tolerance is known.
  • Rare liver-injury reports make new jaundice, dark urine, or unusual fatigue reasons to stop use and seek medical advice.
  • Ashwagandha may be unsuitable during pregnancy or with thyroid, sedative, immune-suppressing, blood-sugar, or blood-pressure medicines.

Nutrient quality

90 Highest impact

A withanolide-linked extract at a meaningful amount creates a strong focused formula. Missing marker-percentage detail is the main limitation.

.

Ingredient transparency

85 Highest impact

The active amounts are clearly disclosed without a hidden blend. Non-active ingredients and complete usage directions remain missing.

.

Customer satisfaction

67 High impact

The supplied average rating is positive. No specific review comments were supplied, so repeated negative experiences cannot be assessed.

.

Value for money

90 Highest impact

A substantial standardized dose provides good value. Missing marker-percentage detail is the main limitation.

.
Report analysis

Goals

Sleep Support
Sleep Support
Impact
Highest effect
A+ Goal FitA Strength of SupportA CoverageA+ Formula Quality

Ashwagandha 500 mg from Nature's Way covers circadian regulation, nervous-system relaxation, mineral or physical relaxation support, producing strong alignment with sleep support.

Collection-specific evidence indicates strong dose adequacy and strong form or disclosure quality, with the main limitation being variable evidence across the included calming actives.

Study evidence
Ashwagandha Supportive 18 studies
Stress Relief
Stress Relief
Impact
Highest effect
A- Goal FitA Strength of SupportC+ CoverageA+ Formula Quality
Ashwagandha · 500 mg

Nature's Way Ashwagandha 500 mg has a supplied customer average of 4.57 from 2765 reviews, and no finished-product certification is established in the supplied research.

500 mg of withanolide-bearing root extract is the central stress-support feature, while ashwagandha can cause drowsiness or stomach upset and warrants caution during pregnancy and with relevant thyroid, autoimmune, liver, or medication concerns.

Study evidence
Ashwagandha Supportive 47 studies
Productivity Boost
Productivity Boost
Impact
Highest effect
B Goal FitA Strength of SupportC+ CoverageA- Formula Quality

Ashwagandha 500 mg aligns with Productivity Boost mainly through Ashwagandha, while the supplied collection analyses average 85.6 and supplied customer feedback is 4.57 from 2,765 reviews.

Its strongest feature is dose adequacy, while coverage remains intentionally narrow; it appears better suited to a targeted role within a broader routine.

Study evidence
Ashwagandha Supportive 6 studies
Mood Support
Mood Support
Impact
Highest effect
B- Goal FitA Strength of SupportC- CoverageA Formula Quality
Ashwagandha · 500 mg

Ashwagandha 500 mg appears best understood as a well-dosed standardized stress-response active, and the configured scores reflect that degree of Mood Support alignment.

Supplied customer feedback averages 4.57 from 2,765 reviews; nCCIH notes thyroid interactions and rare liver injury with ashwagandha, so individual risk review remains important.

Study evidence
Ashwagandha Supportive 29 studies
Testosterone Support
Testosterone Support
Impact
High effect
B Goal FitA- Strength of SupportD+ CoverageA+ Formula Quality
Ashwagandha · 500 mg

Ashwagandha 500 mg is well aligned with Testosterone Support because its highlighted actives include withanolide-standardized ashwagandha at 500 mg; evidence for the formula as a whole is moderate.

Customer feedback averages 4.57 out of 5 across 2,765 reviews; ashwagandha warrants caution during pregnancy and with thyroid, liver, or interacting-medication concerns.

Study evidence
Ashwagandha Supportive 17 studies
Fitness
Fitness
Impact
High effect
C+ Goal FitA- Strength of SupportC- CoverageA Formula Quality
Ashwagandha · 500 mg

Ashwagandha 500 mg uses a marker-standardized ashwagandha extract and may support stress adaptation, recovery, and selected performance outcomes, although its fitness role is less direct than core ergogenic ingredients.

The disclosed dose and formula structure support a strong contribution, while evidence and pathway coverage remain the main constraints.

Study evidence
Ashwagandha Supportive 23 studies

Ingredients

IngredientAmount per serving
Ashwagandha root extract (Withanolides)
 500 mg
Gluten Free Adults 18–50 Vegan Dairy Free Women Vegetarian
Report overview
Ashwagandha (Withanolides) · 500 mg OverallScore86
C Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA+ Value
+2

Ashwagandha 500 mg provides 500 mg of extract identified with withanolide markers at $0.25 per serving, with 4.57 from 2,765 supplied reviews. NCCIH notes possible stomach upset, drowsiness, rare liver injury, medication interactions, and avoidance during pregnancy or breastfeeding.

View ingredientView products
Loading alternative details
87 Performance

Ashwagandha KSM-66 600 mg

NutraBio
<p>Ingredient quality is better supported by 600 mg KSM-66 ashwagandha root extract, giving this option a clear ashwagandha-centered rationale. The branded extract makes the ingredient identity easier to assess than a generic ashwagandha listing.</p>
82 Performance

Sleep Well Berry Flavored

Nature's Way
<p>Ingredient quality is better supported by 125 mg Sensoril ashwagandha extract, giving this option a clear ashwagandha-centered rationale. Magnesium citrate and melatonin add direct nighttime support, but melatonin makes the formula less suitable for daytime use.</p>
86 Performance

Anxiety & Stress Relief

Nature's Bounty
<p>Ingredient quality is better supported by 600 mg ashwagandha extract with a named withanolide form, giving this option a clear ashwagandha-centered rationale. L-theanine adds a second stress-oriented ingredient, though the broader formula may not suit someone seeking ashwagandha alone.</p>
87 Budget

Standardized Extract Ashwagandha 450 mg

NOW
<p>450 mg ashwagandha extract with a named withanolide form retains the main ashwagandha focus at a lower serving cost. The focused ingredient label keeps the comparison close to the original while making the ashwagandha form straightforward to assess.</p>
86 Budget

Optimized Ashwagandha

Life Extension
<p>125 mg Sensoril ashwagandha extract retains the main ashwagandha focus at a lower serving cost. The lighter listed amount may suit cautious use, though it provides less ashwagandha per serving than the original.</p>
86 Budget

Sensoril 125 mg

Swanson Ultra
<p>125 mg Sensoril ashwagandha extract retains the main ashwagandha focus at a lower serving cost. The lighter listed amount may suit cautious use, though it provides less ashwagandha per serving than the original.</p>
87 Value

Standardized Extract Ashwagandha 450 mg

NOW
<p>450 mg ashwagandha extract with a named withanolide form combines a well-defined ashwagandha serving with favorable value evidence. The focused ingredient label keeps the comparison close to the original while making the ashwagandha form straightforward to assess.</p>
86 Value

Ashwagandha Extract 450 mg

Swanson
<p>450 mg ashwagandha extract with a named withanolide form combines a well-defined ashwagandha serving with favorable value evidence. The focused ingredient label keeps the comparison close to the original while making the ashwagandha form straightforward to assess.</p>
86 Value

Ashwagandha

Jarrow Formulas
<p>300 mg ashwagandha combines a well-defined ashwagandha serving with favorable value evidence. The label does not identify withanolide standardization, so the trade-off is less precise potency information than the original.</p>
Report alternatives

Sources

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

  1. 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 participantsSleep Support forAshwagandha
  2. Adaptogenic and Anxiolytic Effects of Ashwagandha Root Extract in Healthy Adults: A Double-blind, Randomized, Placebo-controlled Clinical Study.
    Salve J; Pate S; Debnath K; Langade D · Cureus · 2020
    Randomized trial60 participantsStress Relief Sleep Support forAshwagandha
  3. Safety and efficacy of Withania somnifera for anxiety and insomnia: Systematic review and meta-analysis.
    Fatima K; Malik J; Muskan F; Raza G; Waseem A; Shahid H; Jaffery SF; Khan U; Zaheer MK; Shaikh Y; Rashid AM · Human psychopharmacology · 2024
    Meta-analysis254 participants5 studies pooledSleep Support Mood Support forAshwagandha
  4. Dual impact of Ashwagandha: Significant cortisol reduction but no effects on perceived stress - A systematic review and meta-analysis.
    Albalawi AA · Nutrition and health · 2025
    Meta-analysis488 participants13 studies pooledStress Relief forAshwagandha
  5. A prospective, randomized double-blind, placebo-controlled study of safety and efficacy of a high-concentration full-spectrum extract of ashwagandha root in reducing stress and anxiety in adults.
    Chandrasekhar K; Kapoor J; Anishetty S · Indian journal of psychological medicine · 2013
    Randomized trial64 participantsStress Relief Mood Support 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 participantsStress Relief Cognitive Support forAshwagandha
  7. 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 participantsMood Support Brain Health Cognitive Support Productivity Boost forAshwagandha
  8. A Standardized Withania somnifera (Linn.) Root Extract with Piperine Alleviates the Symptoms of Anxiety and Depression by Increasing Serotonin Levels: A Double-Blind, Randomized, Placebo-Controlled Study.
    Majeed M; Nagabhushanam K; Murali A; Vishwanathan DT; Mamidala RV; Mundkur L · Journal of integrative and complementary medicine · 2024
    Randomized trial70 participantsMood Support forAshwagandha
  9. 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
  10. 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 forAshwagandha
  11. 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 forAshwagandha
  12. 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
  13. 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 forAshwagandha
  14. 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
  15. 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
  16. Enhancing healthspan with Ashwagandha (Withania somnifera): a comprehensive review of its multifaceted geroprotective benefits.
    Vittal M; Vinciguerra M · Biogerontology · 2025
    Narrative reviewEnergy forAshwagandha
  17. 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
  18. 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
  19. 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 participantsFitness forAshwagandha
  20. 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 participantsFitness Muscle Gain forAshwagandha
  21. 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
  22. 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
  23. A proprietary herbal extract of ashwagandha root for stress and anxiety in healthy adults: a randomized, double-blind, three-arm, placebo-controlled efficacy and safety study.
    West RE; Biswas A; Rao R; Tayade H; Ademola J · Journal of medicine and life · 2026
    Randomized trial141 participantsMood Support forAshwagandha
  24. Medicinal herbs for the treatment of anxiety: A systematic review and network meta-analysis.
    Zhang W; Yan Y; Wu Y; Yang H; Zhu P; Yan F; Zhao R; Tian P; Wang T; Fan Q; Su Z · Pharmacological research · 2022
    Meta-analysis29 participants29 studies pooledMood Support forAshwagandha
  25. Ashwagandha Root Extract Stabilises Physiological Stress Responses in Male and Female Team Sports Athletes During Pre-Season Training.
    Coope OC; Otaegui E; Suárez M; Levington A; Abad-Sangrà M; Lloyd B; Spurr TJ; Roman-Viñas B · Nutrients · 2026
    Randomized trial56 participantsMuscle Gain forAshwagandha
  26. Evaluation of Withania somnifera (L.) Dunal (Ashwagandha) on Physical Performance, Biomarkers of Inflammation, and Muscle Status in Healthy Volunteers: A Randomized, Double-Blind, Placebo-Controlled Study.
    Raut A; Tripathi R; Marathe PA; Uchil DA; Agashe S; Rege N; Vaidya AB · Cureus · 2024
    Randomized trialMuscle Gain forAshwagandha
  27. Examining the effect of Withania somnifera supplementation on muscle strength and recovery: a randomized controlled trial.
    Wankhede S; Langade D; Joshi K; Sinha SR; Bhattacharyya S · Journal of the International Society of Sports Nutrition · 2016
    Randomized trial57 participantsMuscle Gain forAshwagandha
  28. 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 pooledProductivity Boost forAshwagandha
  29. Clinical evaluation of the pharmacological impact of ashwagandha root extract on sleep in healthy volunteers and insomnia patients: A double-blind, randomized, parallel-group, placebo-controlled study.
    Langade D; Thakare V; Kanchi S; Kelgane S · Journal of ethnopharmacology · 2021
    Randomized trial80 participantsProductivity Boost Sleep Support forAshwagandha
  30. Effect of standardized aqueous extract of Withania somnifera on tests of cognitive and psychomotor performance in healthy human participants.
    Pingali U; Pilli R; Fatima N · Pharmacognosy research · 2014
    Randomized trial20 participantsProductivity Boost forAshwagandha
  31. Efficacy and safety of Ashwagandha root extract sustained-release (AshwaSR) capsules in healthy adult, stressed subjects: A randomized, double-blind, placebo-controlled, parallel-group, 3-arm clinical trial.
    Thanawala S; Shah R; Alluri KV; Bhupathiraju K; Desomayanandanam P; Bhuvenendran A · Medicine · 2026
    Randomized trial135 participantsSleep Support forAshwagandha
  32. Efficacy and Safety of Ashwagandha (Withania somnifera) Root Extract in Insomnia and Anxiety: A Double-blind, Randomized, Placebo-controlled Study.
    Langade D; Kanchi S; Salve J; Debnath K; Ambegaokar D · Cureus · 2020
    Randomized trial60 participantsSleep Support forAshwagandha
  33. An investigation into the stress-relieving and pharmacological actions of an ashwagandha (Withania somnifera) extract: A randomized, double-blind, placebo-controlled study.
    Lopresti AL; Smith SJ; Malvi H; Kodgule R · Medicine · 2019
    Randomized trial60 participantsStress Relief forAshwagandha
  34. Shoden promotes Relief from stress and anxiety: A randomized, double-blind, placebo-controlled study on healthy subjects with high stress levels.
    Mishra DN; Kumar M · Heliyon · 2024
    Randomized trial60 participantsStress Relief forAshwagandha
  35. Effect of standardized root extract of ashwagandha (Withania somnifera) on well-being and sexual performance in adult males: A randomized controlled trial.
    Chauhan S; Srivastava MK; Pathak AK · Health science reports · 2024
    Randomized trial50 participantsTestosterone Support forAshwagandha
  36. Examining the Effects of Herbs on Testosterone Concentrations in Men: A Systematic Review.
    Smith SJ; Lopresti AL; Teo SYM; Fairchild TJ · Advances in nutrition (Bethesda, Md.) · 2021
    Systematic review32 studies pooledTestosterone Support forAshwagandha
  37. Do "testosterone boosters" really increase serum total testosterone? A systematic review.
    Morgado A; Tsampoukas G; Sokolakis I; Schoentgen N; Urkmez A; Sarikaya S · International journal of impotence research · 2024
    Systematic review3 studies pooledTestosterone Support forAshwagandha
  38. Safety and Tolerability of Withania somnifera Root Extract in Healthy Male Participants: A Pilot Randomized, Double-Blind, Placebo-Controlled Clinical Trial.
    Vaidya N; Agarwal R; Kshirsagar P; Ganu G; Nagore D; Mehta A; Vora A; Nair S · Food science & nutrition · 2025
    Randomized trial40 participantsTestosterone Support forAshwagandha