Subjective Well-Being

    Last Updated: October 13, 2024

    Your subjective well-being represents your life satisfaction (i.e., how happy you are with your life, intellectually and emotionally). It is usually tested with a questionnaire.

    10,063 participants in 116 trials

    Examine Database: Subjective Well-Being

    InterventionGradeEffectDetail
    Creatine
    B
    Rhodiola Rosea
    B
    Panax Ginseng (Korean Ginseng)
    B
    L-Carnitine
    Umckaloabo
    Kava
    Ashwagandha
    L-Tyrosine
    Theanine
    Vitamin E
    DHEA
    Ginkgo Biloba
    Peppermint
    Fish Oil
    Reishi
    Cocoa Extract
    Gotu Kola
    Kefir
    Red Clover Extract
    Zinc
    Vinpocetine
    Caffeine
    Conjugated Linoleic Acid
    Maca
    Binaural Beats
    Grape Juice
    Vegan Diet
    Butcher's broom
    Tongkat Ali
    Black Cohosh
    Ephedrine
    Boswellia
    Black seed
    Kanna
    D-Serine
    Phosphatidylserine
    Arginine
    Vitamin C
    Chlorogenic Acid
    Green Tea Extract
    Pycnogenol
    Iron
    Cannabis
    Lavender
    Lemon Balm
    Blueberry
    Bromelain
    Pyruvate
    D-Ribose
    Coenzyme Q10
    N-Acetylcysteine
    16:8 Intermittent Fasting

    Research FeedRead all studies

    Examine Database References

    1. Kava - Volz HP, Kieser MKava-kava extract WS 1490 versus placebo in anxiety disorders--a randomized placebo-controlled 25-week outpatient trialPharmacopsychiatry.(1997 Jan)
    2. Creatine - McMorris T, Harris RC, Swain J, Corbett J, Collard K, Dyson RJ, Dye L, Hodgson C, Draper NEffect of creatine supplementation and sleep deprivation, with mild exercise, on cognitive and psychomotor performance, mood state, and plasma concentrations of catecholamines and cortisolPsychopharmacology (Berl).(2006 Mar)
    3. D-Ribose - Jacob E Teitelbaum, Clarence Johnson, John St CyrThe use of D-ribose in chronic fatigue syndrome and fibromyalgia: a pilot studyJ Altern Complement Med.(2006 Nov)
    4. Kefir - İlkay Yılmaz, M Enver Dolar, Haydar ÖzpınarEffect of administering kefir on the changes in fecal microbiota and symptoms of inflammatory bowel disease: A randomized controlled trialTurk J Gastroenterol.(2019 Mar)
    5. Reishi - Noguchi M, Kakuma T, Tomiyasu K, Kurita Y, Kukihara H, Konishi F, Kumamoto S, Shimizu K, Kondo R, Matsuoka KEffect of an extract of Ganoderma lucidum in men with lower urinary tract symptoms: a double-blind, placebo-controlled randomized and dose-ranging studyAsian J Androl.(2008 Jul)
    6. Vinpocetine - E I Chukanova[Efficacy of cavinton in the treatment of patients with chronic blood flow insufficiency. Russian multicenter clinical-epidemiological program "CALIPSO"]Zh Nevrol Psikhiatr Im S S Korsakova.(2010)
    7. Caffeine - Duncan MJ, Oxford SWThe effect of caffeine ingestion on mood state and bench press performance to failureJ Strength Cond Res.(2011 Jan)
    8. Umckaloabo - Chuchalin AG, Berman B, Lehmacher WTreatment of acute bronchitis in adults with a pelargonium sidoides preparation (EPs 7630): a randomized, double-blind, placebo-controlled trialExplore (NY).(2005 Nov)
    9. Kava - Gastpar M, Klimm HDTreatment of anxiety, tension and restlessness states with Kava special extract WS 1490 in general practice: a randomized placebo-controlled double-blind multicenter trialPhytomedicine.(2003 Nov)
    10. Umckaloabo - Matthys H, Lizogub VG, Malek FA, Kieser MEfficacy and tolerability of EPs 7630 tablets in patients with acute bronchitis: a randomised, double-blind, placebo-controlled dose-finding study with a herbal drug preparation from Pelargonium sidoidesCurr Med Res Opin.(2010 Jun)
    11. Conjugated Linoleic Acid - Josep Bassaganya-Riera, Raquel Hontecillas, William T Horne, Mikki Sandridge, Hans H Herfarth, Richard Bloomfeld, Kim L IsaacsConjugated linoleic acid modulates immune responses in patients with mild to moderately active Crohn's diseaseClin Nutr.(2012 Oct)
    12. Ashwagandha - Sud Khyati S, Thaker Anup BA RANDOMIZED DOUBLE BLIND PLACEBO CONTROLLED STUDY OF ASHWAGANDHA ON GENERALIZED ANXIETY DISORDERInternational Ayurvedic Medical Journal .()
    13. L-Carnitine - Martinotti G, Andreoli S, Reina D, Di Nicola M, Ortolani I, Tedeschi D, Fanella F, Pozzi G, Iannoni E, D'Iddio S, Prof LJAcetyl-l-Carnitine in the treatment of anhedonia, melancholic and negative symptoms in alcohol dependent subjectsProg Neuropsychopharmacol Biol Psychiatry.(2011 Jun 1)
    14. Coenzyme Q10 - Mario D Cordero, Elísabet Alcocer-Gómez, Manuel de Miguel, Ognjen Culic, Angel M Carrión, José Miguel Alvarez-Suarez, Pedro Bullón, Maurizio Battino, Ana Fernández-Rodríguez, José Antonio Sánchez-AlcazarCan coenzyme q10 improve clinical and molecular parameters in fibromyalgia?Antioxid Redox Signal.(2013 Oct 20)
    15. Black seed - Datau EA, Wardhana, Surachmanto EE, Pandelaki K, Langi JA, FiasEfficacy of Nigella sativa on serum free testosterone and metabolic disturbances in central obese maleActa Med Indones.(2010 Jul)
    16. Creatine - Bender A, Koch W, Elstner M, Schombacher Y, Bender J, Moeschl M, Gekeler F, Müller-Myhsok B, Gasser T, Tatsch K, Klopstock TCreatine supplementation in Parkinson disease: a placebo-controlled randomized pilot trialNeurology.(2006 Oct 10)
    17. Theanine - Ai Yoto, Mao Motoki, Sato Murao, Hidehiko YokogoshiEffects of L-theanine or caffeine intake on changes in blood pressure under physical and psychological stressesJ Physiol Anthropol.(2012 Oct 29)
    18. Rhodiola Rosea - Punja S, Shamseer L, Olson K, Vohra SRhodiola rosea for mental and physical fatigue in nursing students: a randomized controlled trialPLoS One.(2014 Sep 30)
    19. Ginkgo Biloba - Kaschel RSpecific memory effects of Ginkgo biloba extract EGb 761 in middle-aged healthy volunteersPhytomedicine.(2011 Nov 15)
    20. DHEA - Dayal M, Sammel MD, Zhao J, Hummel AC, Vandenbourne K, Barnhart KTSupplementation with DHEA: effect on muscle size, strength, quality of life, and lipidsJ Womens Health (Larchmt).(2005 Jun)
    21. Kanna - Chiu S, Gericke N, Farina-Woodbury M, Badmaev V, Raheb H, Terpstra K, Antongiorgi J, Bureau Y, Cernovsky Z, Hou J, Sanchez V, Williams M, Copen J, Husni M, Goble LProof-of-Concept Randomized Controlled Study of Cognition Effects of the Proprietary Extract Sceletium tortuosum (Zembrin) Targeting Phosphodiesterase-4 in Cognitively Healthy Subjects: Implications for Alzheimer's DementiaEvid Based Complement Alternat Med.(2014)
    22. Caffeine - Childs E, de Wit HSubjective, behavioral, and physiological effects of acute caffeine in light, nondependent caffeine usersPsychopharmacology (Berl).(2006 May)
    23. Cannabis - Carolina Chaves, Paulo Cesar T Bittencourt, Andreia PelegriniIngestion of a THC-Rich Cannabis Oil in People with Fibromyalgia: A Randomized, Double-Blind, Placebo-Controlled Clinical TrialPain Med.(2020 Oct 1)
    24. Cocoa Extract - Karin Ried, Oliver R Frank, Nigel P StocksDark chocolate or tomato extract for prehypertension: a randomised controlled trialBMC Complement Altern Med.(2009 Jul 8)
    25. Ephedrine - Williams AD, Cribb PJ, Cooke MB, Hayes AThe effect of ephedra and caffeine on maximal strength and power in resistance-trained athletesJ Strength Cond Res.(2008 Mar)
    26. Creatine - McMorris T, Harris RC, Howard AN, Langridge G, Hall B, Corbett J, Dicks M, Hodgson CCreatine supplementation, sleep deprivation, cortisol, melatonin and behaviorPhysiol Behav.(2007 Jan 30)
    27. Pyruvate - Kalman D, Colker CM, Wilets I, Roufs JB, Antonio JThe effects of pyruvate supplementation on body composition in overweight individualsNutrition.(1999 May)
    28. Binaural Beats - J D Lane, S J Kasian, J E Owens, G R MarshBinaural auditory beats affect vigilance performance and moodPhysiol Behav.(1998 Jan)
    29. DHEA - Kritz-Silverstein D, von Mühlen D, Laughlin GA, Bettencourt REffects of dehydroepiandrosterone supplementation on cognitive function and quality of life: the DHEA and Well-Ness (DAWN) TrialJ Am Geriatr Soc.(2008 Jul)
    30. Ginkgo Biloba - Attia A, Rapp SR, Case LD, D'Agostino R, Lesser G, Naughton M, McMullen K, Rosdhal R, Shaw EGPhase II study of Ginkgo biloba in irradiated brain tumor patients: effect on cognitive function, quality of life, and moodJ Neurooncol.(2012 Sep)
    31. Bromelain - A F Walker, R Bundy, S M Hicks, R W MiddletonBromelain reduces mild acute knee pain and improves well-being in a dose-dependent fashion in an open study of otherwise healthy adultsPhytomedicine.(2002 Dec)
    32. Rhodiola Rosea - Shevtsov VA, Zholus BI, Shervarly VI, Vol'skij VB, Korovin YP, Khristich MP, Roslyakova NA, Wikman GA randomized trial of two different doses of a SHR-5 Rhodiola rosea extract versus placebo and control of capacity for mental workPhytomedicine.(2003 Mar)
    33. Grape Juice - Haskell-Ramsay CF, Stuart RC, Okello EJ, Watson AWCognitive and mood improvements following acute supplementation with purple grape juice in healthy young adultsEur J Nutr.(2017 Dec)
    34. L-Carnitine - Zanardi R, Smeraldi EA double-blind, randomised, controlled clinical trial of acetyl-L-carnitine vs. amisulpride in the treatment of dysthymiaEur Neuropsychopharmacol.(2006 May)
    35. Vitamin E - Kitagawa M, Mino MEffects of elevated d-alpha(RRR)-tocopherol dosage in manJ Nutr Sci Vitaminol (Tokyo).(1989 Apr)
    36. Conjugated Linoleic Acid - Watras AC, Buchholz AC, Close RN, Zhang Z, Schoeller DAThe role of conjugated linoleic acid in reducing body fat and preventing holiday weight gainInt J Obes (Lond).(2007 Mar)
    37. L-Tyrosine - Banderet LE, Lieberman HRTreatment with tyrosine, a neurotransmitter precursor, reduces environmental stress in humansBrain Res Bull.(1989 Apr)
    38. Theanine - Ritsner MS, Miodownik C, Ratner Y, Shleifer T, Mar M, Pintov L, Lerner VL-theanine relieves positive, activation, and anxiety symptoms in patients with schizophrenia and schizoaffective disorder: an 8-week, randomized, double-blind, placebo-controlled, 2-center studyJ Clin Psychiatry.(2011 Jan)
    39. D-Serine - Levin R, Dor-Abarbanel AE, Edelman S, Durrant AR, Hashimoto K, Javitt DC, Heresco-Levy UBehavioral and cognitive effects of the N-methyl-D-aspartate receptor co-agonist D-serine in healthy humans: initial findingsJ Psychiatr Res.(2015 Feb)
    40. Peppermint - Merat S, Khalili S, Mostajabi P, Ghorbani A, Ansari R, Malekzadeh RThe effect of enteric-coated, delayed-release peppermint oil on irritable bowel syndromeDig Dis Sci.(2010 May)
    41. Rhodiola Rosea - D Edwards, A Heufelder, A ZimmermannTherapeutic effects and safety of Rhodiola rosea extract WS® 1375 in subjects with life-stress symptoms--results of an open-label studyPhytother Res.(2012 Aug)
    42. Creatine - Rosenfeld J, King RM, Jackson CE, Bedlack RS, Barohn RJ, Dick A, Phillips LH, Chapin J, Gelinas DF, Lou JSCreatine monohydrate in ALS: effects on strength, fatigue, respiratory status and ALSFRSAmyotroph Lateral Scler.(2008 Oct)
    43. Fish Oil - G Fontani, F Corradeschi, A Felici, F Alfatti, R Bugarini, A I Fiaschi, D Cerretani, G Montorfano, A M Rizzo, B BerraBlood profiles, body fat and mood state in healthy subjects on different diets supplemented with Omega-3 polyunsaturated fatty acidsEur J Clin Invest.(2005 Aug)
    44. Theanine - F L Dodd, D O Kennedy, L M Riby, C F Haskell-RamsayA double-blind, placebo-controlled study evaluating the effects of caffeine and L-theanine both alone and in combination on cerebral blood flow, cognition and moodPsychopharmacology (Berl).(2015 Jul)
    45. Binaural Beats - Lorenza S Colzato, Hayley Barone, Roberta Sellaro, Bernhard HommelMore attentional focusing through binaural beats: evidence from the global-local taskPsychol Res.(2017 Jan)
    46. Panax Ginseng (Korean Ginseng) - Cardinal BJ, Engels HJGinseng does not enhance psychological well-being in healthy, young adults: results of a double-blind, placebo-controlled, randomized clinical trialJ Am Diet Assoc.(2001 Jun)
    47. Blueberry - Krikorian R, Shidler MD, Nash TA, Kalt W, Vinqvist-Tymchuk MR, Shukitt-Hale B, Joseph JABlueberry supplementation improves memory in older adultsJ Agric Food Chem.(2010 Apr 14)
    48. DHEA - Libè R, Barbetta L, Dall'Asta C, Salvaggio F, Gala C, Beck-Peccoz P, Ambrosi BEffects of dehydroepiandrosterone (DHEA) supplementation on hormonal, metabolic and behavioral status in patients with hypoadrenalismJ Endocrinol Invest.(2004 Sep)
    49. Chlorogenic Acid - Cropley V, Croft R, Silber B, Neale C, Scholey A, Stough C, Schmitt JDoes coffee enriched with chlorogenic acids improve mood and cognition after acute administration in healthy elderly? A pilot studyPsychopharmacology (Berl).(2012 Feb)
    50. Green Tea Extract - Brown AL, Lane J, Coverly J, Stocks J, Jackson S, Stephen A, Bluck L, Coward A, Hendrickx HEffects of dietary supplementation with the green tea polyphenol epigallocatechin-3-gallate on insulin resistance and associated metabolic risk factors: randomized controlled trialBr J Nutr.(2009 Mar)
    51. L-Tyrosine - Lorenza S Colzato, Bryant J Jongkees, Roberta Sellaro, Wery P M van den Wildenberg, Bernhard HommelEating to stop: tyrosine supplementation enhances inhibitory control but not response executionNeuropsychologia.(2014 Sep)
    52. N-Acetylcysteine - Grant JE, Odlaug BL, Kim SWN-acetylcysteine, a glutamate modulator, in the treatment of trichotillomania: a double-blind, placebo-controlled studyArch Gen Psychiatry.(2009 Jul)
    53. Maca - Gonzales-Arimborgo C, Yupanqui I, Montero E, Alarcón-Yaquetto DE, Zevallos-Concha A, Caballero L, Gasco M, Zhao J, Khan IA, Gonzales GFAcceptability, Safety, and Efficacy of Oral Administration of Extracts of Black or Red Maca (Lepidium meyenii) in Adult Human Subjects: A Randomized, Double-Blind, Placebo-Controlled StudyPharmaceuticals (Basel).(2016 Aug 18)
    54. Zinc - Stewart-Knox BJ, Rae G, Simpson EE, McConville C, O'Connor J, Polito A, Andriollo-Sanchez M, Coudray C, Strain JJSupplemented zinc does not alter mood in healthy older European adults--a randomised placebo-controlled trial: the Zenith studyPublic Health Nutr.(2011 May)
    55. L-Tyrosine - Deijen JB, Wientjes CJ, Vullinghs HF, Cloin PA, Langefeld JJTyrosine improves cognitive performance and reduces blood pressure in cadets after one week of a combat training courseBrain Res Bull.(1999 Jan 15)
    56. Creatine - Norman K, Stübler D, Baier P, Schütz T, Ocran K, Holm E, Lochs H, Pirlich MEffects of creatine supplementation on nutritional status, muscle function and quality of life in patients with colorectal cancer--a double blind randomised controlled trialClin Nutr.(2006 Aug)
    57. Vitamin C - Zhang M, Robitaille L, Eintracht S, Hoffer LJVitamin C provision improves mood in acutely hospitalized patientsNutrition.(2011 May)
    58. Rhodiola Rosea - Duncan MJ, Clarke NDThe Effect of Acute Rhodiola rosea Ingestion on Exercise Heart Rate, Substrate Utilisation, Mood State, and Perceptions of Exertion, Arousal, and Pleasure/Displeasure in Active MenJ Sports Med (Hindawi Publ Corp).(2014)
    59. Creatine - Christian P Braegger, Uwe Schlattner, Theo Wallimann, Anna Utiger, Friederike Frank, Beat Schaefer, Claus W Heizmann, Felix H SennhauserEffects of creatine supplementation in cystic fibrosis: results of a pilot studyJ Cyst Fibros.(2003 Dec)
    60. L-Carnitine - Hamidreza Jamilian, Mehri Jamilian, Mansooreh Samimi, Faraneh Afshar Ebrahimi, Maryam Rahimi, Fereshteh Bahmani, Sama Aghababayan, Mobina Kouhi, Sedighe Shahabbaspour, Zatollah AsemiOral carnitine supplementation influences mental health parameters and biomarkers of oxidative stress in women with polycystic ovary syndrome: a randomized, double-blind, placebo-controlled trialGynecol Endocrinol.(2017 Jun)
    61. Kava - Thompson R, Ruch W, Hasenöhrl RUEnhanced cognitive performance and cheerful mood by standardized extracts of Piper methysticum (Kava-kava)Hum Psychopharmacol.(2004 Jun)
    62. Creatine - A Borchert, E Wilichowski, F HanefeldSupplementation with creatine monohydrate in children with mitochondrial encephalomyopathiesMuscle Nerve.(1999 Sep)
    63. Gotu Kola - Wattanathorn J, Mator L, Muchimapura S, Tongun T, Pasuriwong O, Piyawatkul N, Yimtae K, Sripanidkulchai B, Singkhoraard JPositive modulation of cognition and mood in the healthy elderly volunteer following the administration of Centella asiaticaJ Ethnopharmacol.(2008 Mar 5)
    64. Fish Oil - Fontani G, Corradeschi F, Felici A, Alfatti F, Migliorini S, Lodi LCognitive and physiological effects of Omega-3 polyunsaturated fatty acid supplementation in healthy subjectsEur J Clin Invest.(2005 Nov)
    65. Red Clover Extract - Ehsanpour S, Salehi K, Zolfaghari B, Bakhtiari SThe effects of red clover on quality of life in post-menopausal womenIran J Nurs Midwifery Res.(2012 Jan)
    66. L-Carnitine - Cuturic M, Abramson RK, Moran RR, Hardin JWClinical outcomes and low-dose levocarnitine supplementation in psychiatric inpatients with documented hypocarnitinemia: a retrospective chart reviewJ Psychiatr Pract.(2010 Jan)
    67. Butcher's broom - Vanscheidt W, Jost V, Wolna P, Lücker PW, Müller A, Theurer C, Patz B, Grützner KIEfficacy and safety of a Butcher's broom preparation (Ruscus aculeatus L. extract) compared to placebo in patients suffering from chronic venous insufficiencyArzneimittelforschung.(2002)
    68. Reishi - Zhao H, Zhang Q, Zhao L, Huang X, Wang J, Kang XSpore Powder of Ganoderma lucidum Improves Cancer-Related Fatigue in Breast Cancer Patients Undergoing Endocrine Therapy: A Pilot Clinical TrialEvid Based Complement Alternat Med.(2012)
    69. Peppermint - Göbel H, Schmidt G, Soyka DEffect of peppermint and eucalyptus oil preparations on neurophysiological and experimental algesimetric headache parametersCephalalgia.(1994 Jun)
    70. DHEA - Abrams DI, Shade SB, Couey P, McCune JM, Lo J, Bacchetti P, Chang B, Epling L, Liegler T, Grant RMDehydroepiandrosterone (DHEA) effects on HIV replication and host immunity: a randomized placebo-controlled studyAIDS Res Hum Retroviruses.(2007 Jan)
    71. Red Clover Extract - Lipovac M, Chedraui P, Gruenhut C, Gocan A, Kurz C, Neuber B, Imhof MEffect of Red Clover Isoflavones over Skin, Appendages, and Mucosal Status in Postmenopausal WomenObstet Gynecol Int.(2011)
    72. Creatine - Neves M Jr, Gualano B, Roschel H, Fuller R, Benatti FB, Pinto AL, Lima FR, Pereira RM, Lancha AH Jr, Bonfá EBeneficial effect of creatine supplementation in knee osteoarthritisMed Sci Sports Exerc.(2011 Aug)
    73. Maca - Zenico T, Cicero AF, Valmorri L, Mercuriali M, Bercovich ESubjective effects of Lepidium meyenii (Maca) extract on well-being and sexual performances in patients with mild erectile dysfunction: a randomised, double-blind clinical trialAndrologia.(2009 Apr)
    74. Fish Oil - Antypa N, Van der Does AJ, Smelt AH, Rogers RDOmega-3 fatty acids (fish-oil) and depression-related cognition in healthy volunteersJ Psychopharmacol.(2009 Sep)
    75. Black Cohosh - Maria Dolores Juliá Mollá, Yolanda García-Sánchez, Alberto Romeu Sarri, Faustino R Pérez-lópezCimicifuga racemosa treatment and health related quality of life in post-menopausal Spanish womenGynecol Endocrinol.(2009 Jan)
    76. Creatine - Fuld JP, Kilduff LP, Neder JA, Pitsiladis Y, Lean ME, Ward SA, Cotton MMCreatine supplementation during pulmonary rehabilitation in chronic obstructive pulmonary diseaseThorax.(2005 Jul)
    77. 16:8 Intermittent Fasting - Grant M Tinsley, M Lane Moore, Austin J Graybeal, Antonio Paoli, Youngdeok Kim, Joaquin U Gonzales, John R Harry, Trisha A VanDusseldorp, Devin N Kennedy, Megan R CruzTime-restricted feeding plus resistance training in active females: a randomized trialAm J Clin Nutr.(2019 Sep 1)
    78. L-Tyrosine - Erin E Sutton, M Regina Coill, Patricia A DeusterIngestion of tyrosine: effects on endurance, muscle strength, and anaerobic performanceInt J Sport Nutr Exerc Metab.(2005 Apr)
    79. Creatine - Kuethe F, Krack A, Richartz BM, Figulla HRCreatine supplementation improves muscle strength in patients with congestive heart failurePharmazie.(2006 Mar)
    80. Phosphatidylserine - Parker AG, Gordon J, Thornton A, Byars A, Lubker J, Bartlett M, Byrd M, Oliver J, Simbo S, Rasmussen C, Greenwood M, Kreider RBThe effects of IQPLUS Focus on cognitive function, mood and endocrine response before and following acute exerciseJ Int Soc Sports Nutr.(2011 Oct 21)
    81. Ginkgo Biloba - Herrschaft H, Nacu A, Likhachev S, Sholomov I, Hoerr R, Schlaefke SGinkgo biloba extract EGb 761® in dementia with neuropsychiatric features: a randomised, placebo-controlled trial to confirm the efficacy and safety of a daily dose of 240 mgJ Psychiatr Res.(2012 Jun)
    82. Vinpocetine - O V Vorob'eva, E S Tamarova[Efficacy of vinpotropile in the therapy of initial signs of cerebrovascular pathology]Zh Nevrol Psikhiatr Im S S Korsakova.(2010)
    83. Ashwagandha - Biswal BM, Sulaiman SA, Ismail HC, Zakaria H, Musa KIEffect of Withania somnifera (Ashwagandha) on the development of chemotherapy-induced fatigue and quality of life in breast cancer patientsIntegr Cancer Ther.(2013 Jul)
    84. Tongkat Ali - Ismail SB, Wan Mohammad WM, George A, Nik Hussain NH, Musthapa Kamal ZM, Liske ERandomized Clinical Trial on the Use of PHYSTA Freeze-Dried Water Extract of Eurycoma longifolia for the Improvement of Quality of Life and Sexual Well-Being in MenEvid Based Complement Alternat Med.(2012)
    85. Kefir - Gulbeyaz Can, Erkan Topuz, Duygu Derin, Zehra Durna, Adnan AydinerEffect of kefir on the quality of life of patients being treated for colorectal cancerOncol Nurs Forum.(2009 Nov)
    86. Theanine - Grace E Giles, Caroline R Mahoney, Tad T Brunyé, Holly A Taylor, Robin B KanarekCaffeine and theanine exert opposite effects on attention under emotional arousalCan J Physiol Pharmacol.(2017 Jan)
    87. Vegan Diet - Ulka Agarwal, Suruchi Mishra, Jia Xu, Susan Levin, Joseph Gonzales, Neal D BarnardA multicenter randomized controlled trial of a nutrition intervention program in a multiethnic adult population in the corporate setting reduces depression and anxiety and improves quality of life: the GEICO studyAm J Health Promot.(Mar-Apr 2015)
    88. Gotu Kola - Bradwejn J, Zhou Y, Koszycki D, Shlik JA double-blind, placebo-controlled study on the effects of Gotu Kola (Centella asiatica) on acoustic startle response in healthy subjectsJ Clin Psychopharmacol.(2000 Dec)
    89. Panax Ginseng (Korean Ginseng) - Wiklund IK, Mattsson LA, Lindgren R, Limoni CEffects of a standardized ginseng extract on quality of life and physiological parameters in symptomatic postmenopausal women: a double-blind, placebo-controlled trial. Swedish Alternative Medicine GroupInt J Clin Pharmacol Res.(1999)
    90. Kava - Malsch U, Kieser MEfficacy of kava-kava in the treatment of non-psychotic anxiety, following pretreatment with benzodiazepinesPsychopharmacology (Berl).(2001 Sep)
    91. Rhodiola Rosea - Darbinyan V, Aslanyan G, Amroyan E, Gabrielyan E, Malmström C, Panossian AClinical trial of Rhodiola rosea L. extract SHR-5 in the treatment of mild to moderate depressionNord J Psychiatry.(2007)
    92. Lavender - B Uehleke, S Schaper, A Dienel, S Schlaefke, R StangePhase II trial on the effects of Silexan in patients with neurasthenia, post-traumatic stress disorder or somatization disorderPhytomedicine.(2012 Jun 15)
    93. Vitamin E - Meydani SN, Meydani M, Rall LC, Morrow F, Blumberg JBAssessment of the safety of high-dose, short-term supplementation with vitamin E in healthy older adultsAm J Clin Nutr.(1994 Nov)
    94. Umckaloabo - Kamin W, Maydannik V, Malek FA, Kieser MEfficacy and tolerability of EPs 7630 in children and adolescents with acute bronchitis - a randomized, double-blind, placebo-controlled multicenter trial with a herbal drug preparation from Pelargonium sidoides rootsInt J Clin Pharmacol Ther.(2010 Mar)
    95. Vitamin E - Tsai AC, Kelley JJ, Peng B, Cook NStudy on the effect of megavitamin E supplementation in manAm J Clin Nutr.(1978 May)
    96. Umckaloabo - Kamin W, Maydannik VG, Malek FA, Kieser MEfficacy and tolerability of EPs 7630 in patients (aged 6-18 years old) with acute bronchitisActa Paediatr.(2010 Apr)
    97. Rhodiola Rosea - Siegfried Kasper, Angelika DienelMulticenter, open-label, exploratory clinical trial with Rhodiola rosea extract in patients suffering from burnout symptomsNeuropsychiatr Dis Treat.(2017 Mar 22)
    98. Arginine - Wilson AM, Harada R, Nair N, Balasubramanian N, Cooke JPL-arginine supplementation in peripheral arterial disease: no benefit and possible harmCirculation.(2007 Jul 10)
    99. Peppermint - Mark Moss, Steven Hewitt, Lucy Moss, Keith WesnesModulation of cognitive performance and mood by aromas of peppermint and ylang-ylangInt J Neurosci.(2008 Jan)
    100. Vitamin E - Sanyal AJ, Chalasani N, Kowdley KV, McCullough A, Diehl AM, Bass NM, Neuschwander-Tetri BA, Lavine JE, Tonascia J, Unalp A, Van Natta M, Clark J, Brunt EM, Kleiner DE, Hoofnagle JH, Robuck PR, NASH CRNPioglitazone, vitamin E, or placebo for nonalcoholic steatohepatitisN Engl J Med.(2010 May 6)
    101. Panax Ginseng (Korean Ginseng) - Sotaniemi EA, Haapakoski E, Rautio AGinseng therapy in non-insulin-dependent diabetic patientsDiabetes Care.(1995 Oct)
    102. Pycnogenol - Luzzi R, Belcaro G, Zulli C, Cesarone MR, Cornelli U, Dugall M, Hosoi M, Feragalli BPycnogenol® supplementation improves cognitive function, attention and mental performance in studentsPanminerva Med.(2011 Sep)
    103. Cocoa Extract - Crews WD Jr, Harrison DW, Wright JWA double-blind, placebo-controlled, randomized trial of the effects of dark chocolate and cocoa on variables associated with neuropsychological functioning and cardiovascular health: clinical findings from a sample of healthy, cognitively intact older adultsAm J Clin Nutr.(2008 Apr)
    104. Cocoa Extract - Pase MP, Scholey AB, Pipingas A, Kras M, Nolidin K, Gibbs A, Wesnes K, Stough CCocoa polyphenols enhance positive mood states but not cognitive performance: a randomized, placebo-controlled trialJ Psychopharmacol.(2013 May)
    105. Iron - Woods A, Garvican-Lewis LA, Saunders PU, Lovell G, Hughes D, Fazakerley R, Anderson B, Gore CJ, Thompson KGFour weeks of IV iron supplementation reduces perceived fatigue and mood disturbance in distance runnersPLoS One.(2014 Sep 23)
    106. Ashwagandha - Ziegenfuss TN, Kedia AW, Sandrock JE, Raub BJ, Kerksick CM, Lopez HLEffects of an Aqueous Extract of Withania somnifera on Strength Training Adaptations and Recovery: The STAR TrialNutrients.(2018 Nov 20)
    107. Zinc - Sawada T, Yokoi KEffect of zinc supplementation on mood states in young women: a pilot studyEur J Clin Nutr.(2010 Mar)
    108. Ashwagandha - Choudhary D, Bhattacharyya S, Joshi KBody Weight Management in Adults Under Chronic Stress Through Treatment With Ashwagandha Root Extract: A Double-Blind, Randomized, Placebo-Controlled TrialJ Evid Based Complementary Altern Med.(2017 Jan)
    109. Boswellia - Gupta PK, Samarakoon SM, Chandola HM, Ravishankar BClinical evaluation of Boswellia serrata (Shallaki) resin in the management of Sandhivata (osteoarthritis)Ayu.(2011 Oct)
    110. Panax Ginseng (Korean Ginseng) - Ellis JM, Reddy PEffects of Panax ginseng on quality of lifeAnn Pharmacother.(2002 Mar)
    111. Creatine - Deacon SJ, Vincent EE, Greenhaff PL, Fox J, Steiner MC, Singh SJ, Morgan MDRandomized controlled trial of dietary creatine as an adjunct therapy to physical training in chronic obstructive pulmonary diseaseAm J Respir Crit Care Med.(2008 Aug 1)
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