Standardized Extract Ashwagandha 450 mg

Standardized Extract Ashwagandha 450 mg

NOW4.7 (58,685 ratings)
Format:Capsule Quantity: 90 Capsule(s) · 90 servings
Goals

Product analysis

62 out of 100

Standardized Extract Ashwagandha 450 mg may help with perceived stress and related sleep difficulties. Its extract cannot be assumed to provide the same benefits as specific preparations with clearer evidence.

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

Nutrient Quality40

The extract declares its withanolides, a group of plant compounds. That detail does not establish equivalence to a particular preparation with known benefits.

Ingredient Transparency100

The amount and withanolide standardization are disclosed. Those details help describe the extract but do not make different ashwagandha preparations interchangeable.

Value For Money40

Value for money is uncertain. There is not enough usable cost information to judge the price of the extract.

Customer Satisfaction91

Customer ratings are positive. The large number of ratings offers a broad view of sentiment, without proving effectiveness.

Product Focus58

Stress-related support is the clearest possible use for the extract. Benefits for thinking, muscle gains, hormones or routine energy remain uncertain and depend on the preparation.

Format
Capsule
Container
90 Capsule(s)
Per serving
$0.10
Customer rating
4.7 · 58,685 ratings
Report analysis

Goals

Mood Support
Impact
Moderate effect
B+ Ingredient FitF PathwaysF EvidenceA+ Formulation Logic
Ashwagandha · 450 mg
Study evidence
Stress Relief
Impact
High effect
A Ingredient FitC+ PathwaysD EvidenceA+ Formulation Logic
Ashwagandha · 450 mg
Study evidence
Brain Health
Impact
Moderate effect
B+ Ingredient FitF PathwaysF EvidenceA+ Formulation Logic
Ashwagandha · 450 mg
Study evidence
Cognitive Support
Impact
Moderate effect
B Ingredient FitF PathwaysF EvidenceA+ Formulation Logic
Ashwagandha · 450 mg
Study evidence
Fitness
Impact
Moderate effect
B+ Ingredient FitF PathwaysF EvidenceA+ Formulation Logic
Ashwagandha · 450 mg
Study evidence
Testosterone Support
Impact
Moderate effect
B+ Ingredient FitF PathwaysF EvidenceA+ Formulation Logic
Ashwagandha · 450 mg
Study evidence

Ingredients

IngredientAmount per servingScore
Ashwagandha extract (Total Withanolides)
450 mg 85
Gluten Free Adults 18–50 Vegan Kosher Dairy Free Women Vegetarian
Report overview
B- Composition And Label DisclosureA+ Composition And Label Disclosure
+2
The serving provides 450 mg of ashwagandha root extract; the price covers the whole product. A withanolide percentage is disclosed, but its exact figure is unavailable here.
How this ingredient is rated

Composition and Label Disclosure70

The ashwagandha root extract has a withanolide percentage disclosure, though the figure is unavailable here.
Withanolide and Preparation Disclosure
The ashwagandha root extract has a withanolide percentage disclosure, though the figure is unavailable here.

Composition and Label Disclosure100

The serving amount is stated as 450 mg of ashwagandha root extract.
Individual Preparation Amount Disclosure
The serving amount is stated as 450 mg of ashwagandha root extract.

Commercial Price and Usability

A separate price and usability assessment is unavailable.
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 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 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 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 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. 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
  13. 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
  14. 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
  15. 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
  16. 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
  17. 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
  18. 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 pooledMood Support forAshwagandha
  19. 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 participantsMood Support Stress Relief forAshwagandha
  20. 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