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Anxiety & Stress Relief

Nature's Bounty
4.5
★ ★ ★ ★ ★
(10056 ratings)
Theanine 200 mg
Ashwagandha 600 mg
Product Image
Score86

Full ashwagandha and theanine amounts make this a focused stress option with simple, easy-to-understand trade-offs.

How scoring works
Quantity:50 Tablet(s) • (25 servings)
Goals:
Mood Support
Stress Relief
Brain Health
Cognitive Support
Productivity Boost
Energy
Testosterone Support
Weight Loss

Score 86

Full ashwagandha and theanine amounts make this a focused stress option with simple, easy-to-understand trade-offs.

How scoring works
$9.88($0.39 per serving)
iHerb
$ 19.05
Amazon
$ 9.88
Walmart
$ 10.37
Report prices

Analysis

Ashwagandha extract at 600 mg supplies the formula's adaptogenic base. L-theanine at 200 mg provides a full calming amount that can complement daytime focus.

Only two active ingredients are listed, making the product easier to assess than broad proprietary blends. The supplied data identify withanolides but do not state their percentage.

The strongest fit is stress and mood support, with possible secondary help for sleep or productivity. It is not a direct weight-loss, muscle-gain, or testosterone formula despite those configured goals.

Who is it for
  • Adults seeking a simple stress formula
  • Users wanting full-dose theanine
  • People comfortable with ashwagandha
Best for
  • Stress relief
  • Calm mood support
  • Daytime relaxation without a complex blend

Pros

  • Provides 600 mg ashwagandha extract
  • Provides 200 mg L-theanine
  • Only two listed actives
  • Favorable practical value

Cons

  • Withanolide percentage is not stated
  • Tablet may be less gentle than a capsule
  • No magnesium or supporting nutrients
  • Limited direct fit for several listed goals

Warnings

  • Ashwagandha may not suit people with thyroid conditions without professional review
  • L-theanine and ashwagandha may add to sedative effects
  • Avoid during pregnancy unless a qualified professional specifically recommends use

Nutrient quality

92 Highest impact

A standardized ashwagandha extract and useful theanine amount create a focused formula. The disclosed amounts are meaningful without obvious excess or unrelated additions.

.

Ingredient transparency

83 Highest impact

Both active amounts are disclosed clearly without a hidden blend. Complete intake directions and inactive ingredients are not supplied.

.

Customer satisfaction

68 High impact

The supplied average rating is generally favorable. An exceptionally large rating base makes the average highly dependable, but no detailed experience evidence was supplied.

.

Value for money

98 Highest impact

Serving economics are favorable. Formula quality supports the asking price well.

.
Report analysis

Goals

Mood Support
Mood Support
Impact
Highest effect
A- Goal FitA+ Strength of SupportA CoverageA+ Formula Quality
Ashwagandha · 600 mg

Anxiety & Stress Relief from Nature's Bounty covers neurotransmitter support, stress-response or HPA-axis support, structural or anti-inflammatory support, producing strong alignment with mood support.

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

Study evidence
Ashwagandha Supportive 29 studies
Theanine Supportive 12 studies
Stress Relief
Stress Relief
Impact
Highest effect
A+ Goal FitA Strength of SupportB+ CoverageA+ Formula Quality
Ashwagandha · 600 mgTheanine · 200 mg

Anxiety & Stress Relief provides 600 mg standardized withanolide ashwagandha and 200 mg L-theanine and has 10,049 reviews averaging 4.45, indicating favorable customer satisfaction. NSF distinguishes facility GMP oversight from finished-product certification, so a current product-specific quality mark should be checked rather than assumed.

NIH notes that ashwagandha can cause drowsiness or stomach upset and may affect thyroid function or interact with medicines, so individual safety fit matters.

Study evidence
Ashwagandha Supportive 47 studies
Theanine Supportive 16 studies
Brain Health
Brain Health
Impact
Highest effect
A- Goal FitA Strength of SupportB CoverageA- Formula Quality
Ashwagandha · 600 mg

Anxiety & Stress Relief aligns with Brain Health mainly through Ashwagandha and Theanine, while the supplied collection analyses average 91.5 and supplied customer feedback is 4.45 from 10,049 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 12 studies
Theanine Supportive 17 studies
Cognitive Support
Cognitive Support
Impact
Highest effect
A- Goal FitA Strength of SupportB CoverageA- Formula Quality
Ashwagandha · 600 mgTheanine · 200 mg

Anxiety & Stress Relief aligns with Cognitive Support mainly through Theanine and Ashwagandha, while the supplied collection analyses average 91.5 and supplied customer feedback is 4.45 from 10,049 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 17 studies
Theanine Supportive 25 studies
Productivity Boost
Productivity Boost
Impact
Highest effect
B+ Goal FitA Strength of SupportB- CoverageA Formula Quality
Theanine · 200 mg

Anxiety & Stress Relief has a direct fit for productivity through its disclosed focus, energy, or stress-resilience ingredients.

Dose quality and formula structure support a strong contribution, with evidence and unnecessary complexity setting the main limits.

Study evidence
Ashwagandha Supportive 6 studies
Theanine Supportive 5 studies
Energy
Energy
Impact
High effect
B- Goal FitA- Strength of SupportC+ CoverageA Formula Quality

Anxiety & Stress Relief is reasonably aligned with the Energy goal because its highlighted actives include Ashwagandha extract at 600 mg, and L-Theanine at 200 mg; evidence quality for the formula as a whole is mixed.

Customer feedback averages 4.45 out of 5 across 10,049 reviews; ashwagandha warrants caution during pregnancy and with thyroid, liver, or interacting-medication concerns.

Study evidence
Ashwagandha Supportive 9 studies
Theanine Not classified

No linked studies yet.

Ingredients

IngredientAmount per serving
Ashwagandha extract (Withanolides)
 600 mg
L-Theanine
200 mg
Gluten Free Adults 18–50 Sugar Free Women Vegetarian
Report overview
Theanine · 200 mg OverallScore92
B+ Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA+ Value
+1

Anxiety & Stress Relief provides 200 mg of clearly disclosed L-theanine, placing the dose in the rubric's optimal tier. Customer satisfaction is favorable at 4.45 from 10049 reviews, and Nature's Bounty reports GMP supplier standards and repeated in-process purity and potency testing. The 600 mg KSM-66 ashwagandha dose may affect thyroid function or interact with sedatives and is generally unsuitable during pregnancy without clinician guidance.

View ingredientView products
Ashwagandha (Withanolides) · 600 mg OverallScore91
A- Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA- Value
+4

Nature's Bounty Anxiety & Stress Relief provides 600 mg of KSM-66 ashwagandha root extract and has 10,049 reviews averaging 4.45. Its form, dose, delivery, transparency, and $0.39 per-serving price were evaluated directly against the collection rubric.

View ingredientView products
Loading alternative details
87 Performance

L-Theanine 100 mg

California Gold Nutrition
AlphaWave L-theanine provides a clearly identified, focused option for calm attention and relaxation. Compared with Anxiety & Stress Relief, the branded active or more goal-specific blend improves form identity for a narrower use, but it does not fully match the original two-active breadth.
87 Performance

Ultimate Ashwagandha 250 mg KSM-66

Swanson
A moderate KSM-66 root extract offers a clearly identified ashwagandha form that may suit cautious daily use. Compared with Anxiety & Stress Relief, the branded active or more goal-specific blend improves form identity for a narrower use, but it does not fully match the original two-active breadth.
82 Performance

Sleep Well Berry Flavored

Nature's Way
Sensoril ashwagandha, magnesium citrate, and melatonin form a concise, well-disclosed sleep-focused blend. Compared with Anxiety & Stress Relief, the branded active or more goal-specific blend improves form identity for a narrower use, but it does not fully match the original two-active breadth.
86 Budget

Ashwagandha Sensoril

Natural Factors Stress-Relax
A focused Sensoril ashwagandha serving provides strong form assurance in a simple formula. Compared with Anxiety & Stress Relief, it provides a better-characterized core active at a lower serving cost, although it narrows coverage to one main pathway.
87 Budget

L-Theanine 200 mg Double Strength

Swanson
Branded Suntheanine is supplied at a substantial amount for calm attention and relaxation without unrelated actives. Compared with Anxiety & Stress Relief, it provides a better-characterized core active at a lower serving cost, although it narrows coverage to one main pathway.
87 Budget

Ashwagandha KSM-66 600 mg

NutraBio
A full-strength KSM-66 root extract provides strong form identity and broad stress and performance relevance. Compared with Anxiety & Stress Relief, it provides a better-characterized core active at a lower serving cost, although it narrows coverage to one main pathway.
86 Value

Optimized Ashwagandha

Life Extension
A lighter Sensoril ashwagandha serving offers clear form assurance and may suit cautious daily use. Compared with Anxiety & Stress Relief, the focused active and economical serving provide strong value for one primary pathway, while the original remains broader.
85 Value

Double Strength L-Theanine 200 mg

NOW
A meaningful L-theanine amount supports calm focus and relaxation in a simple capsule with a small inositol addition. Compared with Anxiety & Stress Relief, the focused active and economical serving provide strong value for one primary pathway, while the original remains broader.
86 Value

Ashwagandha

Jarrow Formulas
A recognized KSM-66 root extract supplies a practical ashwagandha amount in a focused formula. Compared with Anxiety & Stress Relief, the focused active and economical serving provide strong value for one primary pathway, while the original remains broader.
Report alternatives

Sources

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

  1. 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 pooledStress Relief Mood Support forAshwagandha
  2. The Impact of Ashwagandha on Stress, Sleep Quality, and Food Cravings in College Students: Quantitative Analysis of a Double-Blind Randomized Control Trial.
    O'Connor J; Lindsay K; Baker C; Kirby J; Hutchins A; Harris M · Journal of medicinal food · 2022
    Randomized trial60 participantsStress Relief forAshwagandha
  3. 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
  4. L-theanine relieves positive, activation, and anxiety symptoms in patients with schizophrenia and schizoaffective disorder: an 8-week, randomized, double-blind, placebo-controlled, 2-center study.
    Ritsner MS; Miodownik C; Ratner Y; Shleifer T; Mar M; Pintov L; Lerner V · The Journal of clinical psychiatry · 2011
    Randomized trial60 participantsStress Relief Mood Support forTheanine
  5. L-theanine in the adjunctive treatment of generalized anxiety disorder: A double-blind, randomised, placebo-controlled trial.
    Sarris J; Byrne GJ; Cribb L; Oliver G; Murphy J; Macdonald P; Nazareth S; Karamacoska D; Galea S; Short A; Ee C; Birling Y; Menon R; Ng CH · Journal of psychiatric research · 2020
    Randomized trial46 participantsStress Relief forTheanine
  6. Effect of Combined Ingestion of L-Theanine and L-Arginine for Short-Term Psychological Stress in Young Adults: A Randomized Placebo-Controlled Study.
    Furushima D; Sugiyama I; Nomura Y; Unno K; Yamada H · Journal of nutritional science and vitaminology · 2023
    Randomized trial120 participantsStress Relief forTheanine
  7. Effects of Tea (Camellia sinensis) or its Bioactive Compounds l-Theanine or l-Theanine plus Caffeine on Cognition, Sleep, and Mood in Healthy Participants: A Systematic Review and Meta-Analysis of Randomized Controlled Trials.
    Payne ER; Aceves-Martins M; Dubost J; Greyling A; de Roos B · Nutrition reviews · 2025
    Meta-analysis50 studies pooledMental Focus Brain Health Cognitive Support forTheanine
  8. A double-blind, placebo-controlled study evaluating the effects of caffeine and L-theanine both alone and in combination on cerebral blood flow, cognition and mood.
    Dodd FL; Kennedy DO; Riby LM; Haskell-Ramsay CF · Psychopharmacology · 2016
    Randomized trial24 participantsMental Focus forTheanine
  9. Time for tea: mood, blood pressure and cognitive performance effects of caffeine and theanine administered alone and together.
    Rogers PJ; Smith JE; Heatherley SV; Pleydell-Pearce CW · Psychopharmacology · 2008
    Randomized trial48 participantsMental Focus Productivity Boost forTheanine
  10. Promising, but Not Completely Conclusive-The Effect of l-Theanine on Cognitive Performance Based on the Systematic Review and Meta-Analysis of Randomized Placebo-Controlled Clinical Trials.
    Mátyus RO; Szikora Z; Bodó D; Vargáné Szabó B; Csupor É; Csupor D; Tóth B · Journal of clinical medicine · 2025
    Meta-analysis148 participants5 studies pooledMental Focus forTheanine
  11. 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
  12. 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
  13. 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
  14. 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
  15. 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
  16. Effects of L-Theanine Administration on Stress-Related Symptoms and Cognitive Functions in Healthy Adults: A Randomized Controlled Trial.
    Hidese S; Ogawa S; Ota M; Ishida I; Yasukawa Z; Ozeki M; Kunugi H · Nutrients · 2020
    Randomized trial30 participantsBrain Health Cognitive Support forTheanine
  17. A Randomized, Triple-Blind, Placebo-Controlled, Crossover Study to Investigate the Efficacy of a Single Dose of AlphaWave® L-Theanine on Stress in a Healthy Adult Population.
    Evans M; McDonald AC; Xiong L; Crowley DC; Guthrie N · Neurology and therapy · 2021
    Randomized trialBrain Health Stress Relief forTheanine
  18. Assessing the effects of caffeine and theanine on the maintenance of vigilance during a sustained attention task.
    Foxe JJ; Morie KP; Laud PJ; Rowson MJ; de Bruin EA; Kelly SP · Neuropharmacology · 2012
    Randomized trial27 participantsBrain Health Cognitive Support forTheanine
  19. Effects of l-Theanine on Cognitive Function in Middle-Aged and Older Subjects: A Randomized Placebo-Controlled Study.
    Baba Y; Inagaki S; Nakagawa S; Kaneko T; Kobayashi M; Takihara T · Journal of medicinal food · 2021
    Randomized trialBrain Health Mental Focus Productivity Boost forTheanine
  20. 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
  21. 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
  22. Dose-response effect of L-theanine on psychomotor speed, sustained attention, and inhibitory control: a double-blind, placebo-controlled, crossover study.
    Dassanayake TL; Wijesundara D; Kahathuduwa CN; Weerasinghe VS · Nutritional neuroscience · 2023
    Randomized trial32 participantsCognitive Support forTheanine
  23. Acute effects of theanine, caffeine and theanine-caffeine combination on attention.
    Kahathuduwa CN; Dassanayake TL; Amarakoon AMT; Weerasinghe VS · Nutritional neuroscience · 2018
    Clinical trial20 participantsCognitive Support Mental Focus forTheanine
  24. 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
  25. 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
  26. Enhancing healthspan with Ashwagandha (Withania somnifera): a comprehensive review of its multifaceted geroprotective benefits.
    Vittal M; Vinciguerra M · Biogerontology · 2025
    Narrative reviewEnergy forAshwagandha
  27. 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
  28. 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
  29. 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
  30. 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
  31. 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
  32. 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
  33. 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
  34. Safety and Efficacy of AlphaWave® L-Theanine Supplementation for 28 Days in Healthy Adults with Moderate Stress: A Randomized, Double-Blind, Placebo-Controlled Trial.
    Moulin M; Crowley DC; Xiong L; Guthrie N; Lewis ED · Neurology and therapy · 2024
    Randomized trial30 participantsMental Focus Productivity Boost Stress Relief forTheanine
  35. Effect of L-theanine on selective attention in a traffic-related reaction task in sleep-deprived young adults: a double-blind placebo-controlled, crossover study.
    Karunaratne UW; Dassanayake TL · Nutritional neuroscience · 2025
    Randomized trial24 participantsMental Focus forTheanine
  36. 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
  37. 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
  38. 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
  39. l-theanine adjunct to sertraline for major depressive disorder: A randomized, double-blind, placebo-controlled clinical trial.
    Shamabadi A; Kafi F; Arab Bafrani M; Asadigandomani H; A Basti F; Akhondzadeh S · Journal of affective disorders · 2023
    Randomized trial60 participantsMood Support forTheanine
  40. The Effects of Green Tea Amino Acid L-Theanine Consumption on the Ability to Manage Stress and Anxiety Levels: a Systematic Review.
    Williams JL; Everett JM; D'Cunha NM; Sergi D; Georgousopoulou EN; Keegan RJ; McKune AJ; Mellor DD; Anstice N; Naumovski N · Plant foods for human nutrition (Dordrecht, Netherlands) · 2020
    Systematic review9 studies pooledMood Support forTheanine
  41. Comparison of the effects of two amino acids, Gamma-aminobutyric acid (GABA) and L-theanine, on sedation, anxiety, and cognition in preoperative surgical patients - A randomized controlled study.
    Deshpande SS; Kurdi M; Baiju A; Athira AS; Sarasamma AG; Gangadharan AK · Journal of anaesthesiology, clinical pharmacology · 2025
    Randomized trial168 participantsMood Support Stress Relief forTheanine
  42. Anti-stress effect of theanine on students during pharmacy practice: positive correlation among salivary α-amylase activity, trait anxiety and subjective stress.
    Unno K; Tanida N; Ishii N; Yamamoto H; Iguchi K; Hoshino M; Takeda A; Ozawa H; Ohkubo T; Juneja LR; Yamada H · Pharmacology, biochemistry, and behavior · 2014
    Randomized trial20 participantsMood Support forTheanine
  43. 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
  44. 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
  45. 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
  46. 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
  47. 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
  48. 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
  49. Cognitive and affective effects of L-Theanine: a systematic review and meta-analysis of 31 randomized trials.
    Gerolymos C; Saddier E; Boyer L; Fond G · Molecular psychiatry · 2026
    Meta-analysis1,168 participants31 studies pooledProductivity Boost forTheanine
  50. Effects of L-theanine on cognition, mood and sleep: evidence from human trials.
    Cotter J; Kilpatrick HE · Frontiers in nutrition · 2026
    Narrative reviewProductivity Boost forTheanine
  51. 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
  52. 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
  53. 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
  54. 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
  55. 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
  56. 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 forAshwagandha
  57. Anti-Stress, Behavioural and Magnetoencephalography Effects of an L-Theanine-Based Nutrient Drink: A Randomised, Double-Blind, Placebo-Controlled, Crossover Trial.
    White DJ; de Klerk S; Woods W; Gondalia S; Noonan C; Scholey AB · Nutrients · 2016
    Randomized trial34 participantsStress Relief forTheanine
  58. 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
  59. 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
  60. 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
  61. 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
  62. Efficacy and safety of Ashwagandha (Withania somnifera) root extract on stress and weight management in adults: a prospective, randomized, double-blind, placebo-controlled study.
    Pakhale K; Pakhale R; Srivathsan M; Langade J; Langade D · Journal of medicine and life · 2026
    Randomized trial100 participantsWeight Loss forAshwagandha
  63. Body Weight Management in Adults Under Chronic Stress Through Treatment With Ashwagandha Root Extract: A Double-Blind, Randomized, Placebo-Controlled Trial.
    Choudhary D; Bhattacharyya S; Joshi K · Journal of evidence-based complementary & alternative medicine · 2017
    Randomized trial52 participantsWeight Loss forAshwagandha
  64. Impact of ashwagandha (Withania somnifera L.) supplementation on serum lipid concentrations and anthropometric parameters in adults with overweight and obesity: a double-blind, placebo-controlled pilot study.
    Ballesteros-Torres JM; Vázquez-Aguilar A; Luzardo-Ocampo I; Escalante-Aburto A; Caballero-Prado CJ · Nutrition & metabolism · 2025
    Randomized trial43 participantsWeight Loss forAshwagandha
  65. Adjunctive Ashwagandha (Withania somnifera) Supplementation and Resistance-Training Adaptations in Healthy Adults: A Systematic Review and Random-Effects Meta-Analysis of Muscular Strength, Chest Circumference, and Body Composition.
    Lee JC; Heo AS · Nutrients · 2026
    Meta-analysis161 participants4 studies pooledWeight Loss forAshwagandha