Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.
- Role of magnesium supplementation in the treatment of depression: A randomized clinical trial.
Tarleton EK; Littenberg B; MacLean CD; Kennedy AG; Daley C · PloS one · 2017
Randomized trial126 participantsflagStress Relief flagMood Support forscienceMagnesium
- Examining the Effects of Supplemental Magnesium on Self-Reported Anxiety and Sleep Quality: A Systematic Review.
Rawji A; Peltier MR; Mourtzanakis K; Awan S; Rana J; Pothen NJ; Afzal S · Cureus · 2024
Systematic review15 studies pooledflagStress Relief forscienceMagnesium
- Effects of zinc and magnesium supplements on postpartum depression and anxiety: A randomized controlled clinical trial.
Fard FE; Mirghafourvand M; Mohammad-Alizadeh Charandabi S; Farshbaf-Khalili A; Javadzadeh Y; Asgharian H · Women & health · 2017
Randomized trial99 participantsflagStress Relief flagMood Support forscienceMagnesium
- Effectiveness and safety of oral sedation in adult patients undergoing dental procedures: a systematic review.
Araújo JO; Bergamaschi CC; Lopes LC; Guimarães CC; de Andrade NK; Ramacciato JC; Motta RHL · BMJ open · 2021
Systematic review327 participants12 studies pooledflagStress Relief flagMood Support forscienceValerian
- 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 pooledflagMood Support forscienceTheanine flagStress Relief flagMood Support forscienceValerian
- Comparison of St John's wort and imipramine for treating depression: randomised controlled trial.
Woelk H · BMJ (Clinical research ed.) · 2000
Randomized trial324 participantsflagStress Relief forscienceSt. John's Wort
- Nutritional and herbal supplements for anxiety and anxiety-related disorders: systematic review.
Lakhan SE; Vieira KF · Nutrition journal · 2011
Systematic review2,619 participants24 studies pooledflagStress Relief forscienceSt. John's Wort
- Differential therapy of mild to moderate depressive episodes (ICD-10 F 32.0; F 32.1) with St. John's wort.
Friede M; Henneicke von Zepelin HH; Freudenstein J · Pharmacopsychiatry · 2002
Randomized trial240 participantsflagStress Relief forscienceSt. John's Wort
- GABA Supplementation, Increased Heart-Rate Variability, Emotional Response, Sleep Efficiency and Reduced Depression in Sedentary Overweight Women Undergoing Physical Exercise: Placebo-Controlled, Randomized Clinical Trial.
Guimarães AP; Seidel H; Pires LVM; Trindade CO; Baleeiro RDS; Souza PM; Silva FGDE; Coelho DB; Becker LK; Oliveira EC · Journal of dietary supplements · 2024
Randomized trial30 participantsflagStress Relief flagSleep Support forscienceGABA
- 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 participantsflagStress Relief flagMood Support forscienceTheanine
- 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 participantsflagStress Relief forscienceTheanine
- Protective role of antioxidant supplementation for depression and anxiety: A meta-analysis of randomized clinical trials.
Wang H; Jin M; Xie M; Yang Y; Xue F; Li W; Zhang M; Li Z; Li X; Jia N; Liu Y; Cui X; Hu G; Dong L; Wang G; Yu Q · Journal of affective disorders · 2023
Meta-analysis4,049 participants52 studies pooledflagMood Support forscienceMagnesium
- A medication-driven magnesium deficiency score is associated with increased depressive symptoms prevalence independent of renal function: Evidence from NHANES 1999-2018.
Lu J; Deng Z; Cui W; Shang X; Jiang S; Wang S; Li W · Journal of affective disorders · 2025
Cross-sectional study20,893 participantsflagMood Support forscienceMagnesium
- Standardized Extract of Valeriana officinalis Improves Overall Sleep Quality in Human Subjects with Sleep Complaints: A Randomized, Double-Blind, Placebo-Controlled, Clinical Study.
Chandra Shekhar H; Joshua L; Thomas JV · Advances in therapy · 2024
Randomized trial80 participantsflagMood Support flagSleep Support flagStress Relief forscienceValerian
- An internet-based randomized, placebo-controlled trial of kava and valerian for anxiety and insomnia.
Jacobs BP; Bent S; Tice JA; Blackwell T; Cummings SR · Medicine · 2005
Randomized trial391 participantsflagMood Support forscienceValerian
- St John's wort for major depression.
Linde K; Berner MM; Kriston L · The Cochrane database of systematic reviews · 2009
Systematic review5,489 participants29 studies pooledflagMood Support forscienceSt. John's Wort
- The impact of missing data on clinical trials: a re-analysis of a placebo controlled trial of Hypericum perforatum (St Johns wort) and sertraline in major depressive disorder.
Grobler AC; Matthews G; Molenberghs G · Psychopharmacology · 2014
Randomized trial340 participantsflagMood Support forscienceSt. John's Wort
- Documentary Analysis of Hypericum perforatum (St. John's Wort) and Its Effect on Depressive Disorders.
Otero MC; Ceric F; Miranda-Rojas S; Carreño C; Escares R; Escobar MJ; Saracini C; Atala C; Ramírez-Barrantes R; Gordillo-Fuenzalida F · Pharmaceuticals (Basel, Switzerland) · 2025
Narrative reviewflagMood Support forscienceSt. John's Wort
- Oral intake of γ-aminobutyric acid affects mood and activities of central nervous system during stressed condition induced by mental tasks.
Yoto A; Murao S; Motoki M; Yokoyama Y; Horie N; Takeshima K; Masuda K; Kim M; Yokogoshi H · Amino acids · 2012
Randomized trial63 participantsflagMood Support flagStress Relief forscienceGABA
- Alterations in gamma-aminobutyric acid and glutamate neurotransmission linked to intermittent theta-burst stimulation in depression: a sham-controlled study.
Steinholtz L; Bodén R; Wall A; Lubberink M; Fällmar D; Persson J · Translational psychiatry · 2025
Randomized trial42 participantsflagMood Support forscienceGABA
- The impact of matching for reproductive status on the comparison of magnetic spectroscopic measurements of glutamate and gamma-aminobutyric acid + in the medial prefrontal cortex of women with major depression.
Tran KH; Luki J; Hanstock S; Hanstock CC; Seres P; Aitchison K; Shandro T; Le Melledo JM · Journal of affective disorders · 2024
Case-control study48 participantsflagMood Support forscienceGABA
- 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 pooledflagMood Support flagProductivity Boost forscienceTheanine
- 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 participantsflagMood Support flagSleep Support forscienceTheanine
- A Randomized Double-blind Placebo-controlled Trial on the Effect of Magnesium Oxide in Patients With Chronic Constipation.
Mori S; Tomita T; Fujimura K; Asano H; Ogawa T; Yamasaki T; Kondo T; Kono T; Tozawa K; Oshima T; Fukui H; Kimura T; Watari J; Miwa H · Journal of neurogastroenterology and motility · 2022
Randomized trial34 participantsflagDigestive Health forscienceMagnesium
- Effect of the laxative magnesium oxide on gastrointestinal functional recovery in fast-track colonic resection: a double-blind, placebo-controlled randomized study.
Andersen J; Christensen H; Pachler JH; Hallin M; Thaysen HV; Kehlet H · Colorectal disease : the official journal of the Association of Coloproctology of Great Britain and Ireland · 2012
Randomized trial49 participantsflagDigestive Health forscienceMagnesium
- Diagnosis of magnesium-induced diarrhea.
Fine KD; Santa Ana CA; Fordtran JS · The New England journal of medicine · 1991
Clinical trial19 participantsflagDigestive Health forscienceMagnesium
- Magnesium-L-threonate improves sleep quality and daytime functioning in adults with self-reported sleep problems: A randomized controlled trial.
Hausenblas HA; Lynch T; Hooper S; Shrestha A; Rosendale D; Gu J · Sleep medicine: X · 2025
Randomized trial80 participantsflagEnergy forscienceMagnesium
- Total magnesium intake and risk of frailty in older women.
Struijk EA; Fung TT; Bischoff-Ferrari HA; Willett WC; Lopez-Garcia E · Journal of cachexia, sarcopenia and muscle · 2024
Cohort study81,524 participantsflagEnergy forscienceMagnesium
- Red blood cell magnesium and chronic fatigue syndrome.
Cox IM; Campbell MJ; Dowson D · Lancet (London, England) · 1991
Randomized trial32 participantsflagEnergy forscienceMagnesium
- Exercise, magnesium and immune function.
Laires MJ; Monteiro C · Magnesium research · 2008
Narrative reviewflagEnergy forscienceMagnesium
- Perioperative systemic magnesium to minimize postoperative pain: a meta-analysis of randomized controlled trials.
De Oliveira GS; Castro-Alves LJ; Khan JH; McCarthy RJ · Anesthesiology · 2013
Meta-analysis1,257 participants20 studies pooledflagGeneral Health forscienceMagnesium
- Long-term outcome after intravenous magnesium sulphate in suspected acute myocardial infarction: the second Leicester Intravenous Magnesium Intervention Trial (LIMIT-2).
Woods KL; Fletcher S · Lancet (London, England) · 1994
Randomized trial2,316 participantsflagGeneral Health forscienceMagnesium
- Association of magnesium sulfate use with mortality in critically ill patients with sepsis: a retrospective propensity score-matched cohort study.
Gu WJ; Duan XJ; Liu XZ; Cen Y; Tao LY; Lyu J; Yin HY · British journal of anaesthesia · 2023
Cohort study10,999 participantsflagGeneral Health forscienceMagnesium
- Hypomagnesemia and Mortality in Incident Hemodialysis Patients.
Li L; Streja E; Rhee CM; Mehrotra R; Soohoo M; Brunelli SM; Kovesdy CP; Kalantar-Zadeh K · American journal of kidney diseases : the official journal of the National Kidney Foundation · 2016
Cohort study9,359 participantsflagGeneral Health forscienceMagnesium
- The effects of magnesium supplementation on abnormal uterine bleeding, alopecia, quality of life, and acne in women with polycystic ovary syndrome: a randomized clinical trial.
Jaripur M; Ghasemi-Tehrani H; Askari G; Gholizadeh-Moghaddam M; Clark CCT; Rouhani MH · Reproductive biology and endocrinology : RB&E · 2022
Randomized trial64 participantsflagGeneral Health forscienceMagnesium
- Quantitative Association Between Serum/Dietary Magnesium and Cardiovascular Disease/Coronary Heart Disease Risk: A Dose-Response Meta-analysis of Prospective Cohort Studies.
Zhao L; Hu M; Yang L; Xu H; Song W; Qian Y; Zhao M · Journal of cardiovascular pharmacology · 2020
Meta-analysis544,581 participants18 studies pooledflagHeart Health forscienceMagnesium
- Effects of magnesium supplementation on improving hyperglycemia, hypercholesterolemia, and hypertension in type 2 diabetes: A pooled analysis of 24 randomized controlled trials.
Xu L; Li X; Wang X; Xu M · Frontiers in nutrition · 2023
Meta-analysis1,325 participants24 studies pooledflagHeart Health forscienceMagnesium
- The effect of lowering blood pressure by magnesium supplementation in diabetic hypertensive adults with low serum magnesium levels: a randomized, double-blind, placebo-controlled clinical trial.
Guerrero-Romero F; Rodríguez-Morán M · Journal of human hypertension · 2009
Randomized trial82 participantsflagHeart Health forscienceMagnesium
- Positive effects of magnesium supplementation in metabolic syndrome.
Kisters S; Kisters K; Werner T; Vormann J; Tokmak F; Westhoff T; Gröber U; Predel HG; Reuter H · International journal of clinical pharmacology and therapeutics · 2024
Randomized trial54 participantsflagHeart Health forscienceMagnesium
- Comparative Efficacy of Nutraceuticals on Endothelial Function: A Systematic Review and Network Meta-Analysis.
Norouzzadeh M; Rashedi MH; Mahdavi-Mazdeh G; Kosari A; Shahinfar H · Current atherosclerosis reports · 2026
Meta-analysisflagHeart Health forscienceMagnesium
- Differential effect of two nicotinic acid preparations on low-density lipoprotein subclass distribution in patients classified as low-density lipoprotein pattern A, B, or I.
Superko HR; McGovern ME; Raul E; Garrett B · The American journal of cardiology · 2004
Randomized trial180 participantsflagHeart Health forscienceNiacin
- The ARBITER 6-HALTS Trial (Arterial Biology for the Investigation of the Treatment Effects of Reducing Cholesterol 6-HDL and LDL Treatment Strategies in Atherosclerosis): final results and the impact of medication adherence, dose, and treatment duration.
Villines TC; Stanek EJ; Devine PJ; Turco M; Miller M; Weissman NJ; Griffen L; Taylor AJ · Journal of the American College of Cardiology · 2010
Randomized trial315 participantsflagHeart Health forscienceNiacin
- The effects of extended-release niacin on carotid intimal media thickness, endothelial function and inflammatory markers in patients with the metabolic syndrome.
Thoenes M; Oguchi A; Nagamia S; Vaccari CS; Hammoud R; Umpierrez GE; Khan BV · International journal of clinical practice · 2008
Randomized trial50 participantsflagHeart Health forscienceNiacin
- Effect of niacin therapy on cardiovascular outcomes in patients with coronary artery disease.
Duggal JK; Singh M; Attri N; Singh PP; Ahmed N; Pahwa S; Molnar J; Singh S; Khosla S; Arora R · Journal of cardiovascular pharmacology and therapeutics · 2010
Meta-analysis5,137 participants7 studies pooledflagHeart Health forscienceNiacin
- Effect of niacin on endothelial function: a systematic review and meta-analysis of randomized controlled trials.
Sahebkar A · Vascular medicine (London, England) · 2014
Meta-analysis441 participants7 studies pooledflagHeart Health forscienceNiacin
- Taurine ameliorates blood pressure and vascular function in patients with type 2 diabetes: Randomized, double-blind, placebo-controlled trial.
Li Y; Wang Q; Liu Y; Li Q; Xia W; Lin S; Yang Q; Scholze A; Zhao Z; He H; Zhang H; Yan Z; Tepel M; Mu H; Zhu Z; Liu D · iScience · 2025
Randomized trial165 participantsflagHeart Health forscienceTaurine
- Seafood diets: hypolipidemic and antiatherogenic effects of taurine and n-3 fatty acids.
Elvevoll EO; Eilertsen KE; Brox J; Dragnes BT; Falkenberg P; Olsen JO; Kirkhus B; Lamglait A; Østerud B · Atherosclerosis · 2009
Randomized trial80 participantsflagHeart Health forscienceTaurine
- Taurine Supplementation Lowers Blood Pressure and Improves Vascular Function in Prehypertension: Randomized, Double-Blind, Placebo-Controlled Study.
Sun Q; Wang B; Li Y; Sun F; Li P; Xia W; Zhou X; Li Q; Wang X; Chen J; Zeng X; Zhao Z; He H; Liu D; Zhu Z · Hypertension (Dallas, Tex. : 1979) · 2016
Randomized trial120 participantsflagHeart Health forscienceTaurine
- The effects of taurine supplementation on obesity, blood pressure and lipid profile: A meta-analysis of randomized controlled trials.
Guan L; Miao P · European journal of pharmacology · 2021
Meta-analysis12 studies pooledflagHeart Health forscienceTaurine
- The Effects of Oral Taurine on Resting Blood Pressure in Humans: a Meta-Analysis.
Waldron M; Patterson SD; Tallent J; Jeffries O · Current hypertension reports · 2019
Meta-analysis103 participants7 studies pooledflagHeart Health forscienceTaurine
- Intake of vitamin B6, folate, and vitamin B12 and risk of coronary heart disease: a systematic review and dose-response meta-analysis of prospective cohort studies.
Jayedi A; Zargar MS · Critical reviews in food science and nutrition · 2020
Meta-analysis369,746 participants11 studies pooledflagHeart Health forscienceVitamin B6
- Folate and vitamin B6 from diet and supplements in relation to risk of coronary heart disease among women.
Rimm EB; Willett WC; Hu FB; Sampson L; Colditz GA; Manson JE; Hennekens C; Stampfer MJ · JAMA · 1998
Cohort study80,082 participantsflagHeart Health forscienceVitamin B6
- Intake of folate, vitamin B6 and vitamin B12 and the risk of CHD: the Japan Public Health Center-Based Prospective Study Cohort I.
Ishihara J; Iso H; Inoue M; Iwasaki M; Okada K; Kita Y; Kokubo Y; Okayama A; Tsugane S; JPHC Study Group · Journal of the American College of Nutrition · 2008
Cohort study40,803 participantsflagHeart Health forscienceVitamin B6
- The effect of B-vitamins on the prevention and treatment of cardiovascular diseases: a systematic review and meta-analysis.
Miao Y; Guo Y; Chen Y; Lin Y; Lu Y; Guo Q · Nutrition reviews · 2024
Meta-analysisflagHeart Health forscienceVitamin B6
- Folate and vitamin B(6) intake and risk of acute myocardial infarction in Italy.
Tavani A; Pelucchi C; Parpinel M; Negri E; La Vecchia C · European journal of clinical nutrition · 2005
Case-control study985 participantsflagHeart Health forscienceVitamin B6
- Peripartum neuroactive steroid and γ-aminobutyric acid profiles in women at-risk for postpartum depression.
Deligiannidis KM; Kroll-Desrosiers AR; Mo S; Nguyen HP; Svenson A; Jaitly N; Hall JE; Barton BA; Rothschild AJ; Shaffer SA · Psychoneuroendocrinology · 2017
Cohort study56 participantsflagMood Support forscienceGABA
- The role of neurotransmitters in mediating the relationship between brain alterations and depressive symptoms in patients with inflammatory bowel disease.
Wang J; Liu G; Xu K; Ai K; Huang W; Zhang J · Human brain mapping · 2023
Case-control study69 participantsflagMood Support forscienceGABA
- Occipital gamma-aminobutyric acid and glutamate-glutamine alterations in major depressive disorder: An mrs study and meta-analysis.
Truong V; Cheng PZ; Lee HC; Lane TJ; Hsu TY; Duncan NW · Psychiatry research. Neuroimaging · 2021
Observational studyflagMood Support forscienceGABA
- Systematic review of gamma-aminobutyric-acid inhibitory deficits across the reproductive life cycle.
Vigod SN; Strasburg K; Daskalakis ZJ; Blumberger DM · Archives of women's mental health · 2014
Systematic review11 studies pooledflagMood Support forscienceGABA
- Magnesium supplementation as an adjunct to fluoxetine therapy for depression.
Walyddaini AS; Lisal ST; Ilhamuddin; Zainuddin AA; Tanra AJ; Widianingsih Y; Syamsuddin S · East Asian archives of psychiatry : official journal of the Hong Kong College of Psychiatrists = Dong Ya jing shen ke xue zhi : Xianggang jing shen ke yi xue yuan qi kan · 2026
Randomized trial40 participantsflagMood Support forscienceMagnesium
- The effects of magnesium supplementation on serum level of brain derived neurotrophic factor (BDNF) and depression status in patients with depression.
Afsharfar M; Shahraki M; Shakiba M; Asbaghi O; Dashipour A · Clinical nutrition ESPEN · 2021
Randomized trial46 participantsflagMood Support forscienceMagnesium
- Dietary magnesium intake and risk of depression.
Sun C; Wang R; Li Z; Zhang D · Journal of affective disorders · 2019
Cross-sectional study17,730 participantsflagMood Support forscienceMagnesium
- The significant role of educational status in PKU patients: the beneficial effect of psychological support in depression.
Iakovou K; Schulpis K · International journal of adolescent medicine and health · 2021
Non-randomized trial110 participantsflagMood Support forsciencePhenylalanine
- Evaluation of serum amino acids and non-enzymatic antioxidants in drug-naïve first-episode major depressive disorder.
Islam MR; Ali S; Karmoker JR; Kadir MF; Ahmed MU; Nahar Z; Islam SMA; Islam MS; Hasnat A; Islam MS · BMC psychiatry · 2020
Case-control study495 participantsflagMood Support forsciencePhenylalanine
- Therapy of depression by phenylalanine. Preliminary note.
Fischer E; Heller B; Nachon M; Spatz H · Arzneimittel-Forschung · 1975
Single-arm trial23 participantsflagMood Support forsciencePhenylalanine
- [DL-phenylalanine as an antidepressant. Open study (author's transl)].
Beckmann H; Ludolph E · Arzneimittel-Forschung · 1979
Single-arm trial20 participantsflagMood Support forsciencePhenylalanine
- Do early-treated adults with phenylketonuria sense high phenylalanine levels?
Hauri L; Muri R; Everts R; Trepp R · JIMD reports · 2024
Randomized trial28 participantsflagMood Support forsciencePhenylalanine
- Efficacy of St. John's wort extract WS 5570 in major depression: a double-blind, placebo-controlled trial.
Lecrubier Y; Clerc G; Didi R; Kieser M · The American journal of psychiatry · 2002
Randomized trial375 participantsflagMood Support forscienceSt. John's Wort
- A systematic review and meta-analysis of Hypericum perforatum in depression: a comprehensive clinical review.
Whiskey E; Werneke U; Taylor D · International clinical psychopharmacology · 2002
Meta-analysis22 studies pooledflagMood Support forscienceSt. John's Wort
- Efficacy and tolerability of hypericum extract WS 5572 versus placebo in mildly to moderately depressed patients. A randomized double-blind multicenter clinical trial.
Kalb R; Trautmann-Sponsel RD; Kieser M · Pharmacopsychiatry · 2001
Randomized trial72 participantsflagMood Support forscienceSt. John's Wort
- Complementary therapies for clinical depression: an overview of systematic reviews.
Haller H; Anheyer D; Cramer H; Dobos G · BMJ open · 2020
Systematic review26 studies pooledflagMood Support forscienceSt. John's Wort
- 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 participantsflagMood Support forscienceTheanine
- 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 pooledflagMood Support forscienceTheanine
- 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 participantsflagMood Support flagStress Relief forscienceTheanine flagStress Relief forscienceGABA
- 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 participantsflagMood Support forscienceTheanine
- Chemotypic diversity and neuroactive potential of Valeriana jatamansi Jones: a systematic review on phytochemistry, pharmacology and standardisation challenges.
Nisar S; Jan N; Hassan I; Andleeb L; Shabir PA · Natural product research · 2026
Meta-analysis12 studies pooledflagMood Support forscienceValerian
- Valerian Root in Treating Sleep Problems and Associated Disorders-A Systematic Review and Meta-Analysis.
Shinjyo N; Waddell G; Green J · Journal of evidence-based integrative medicine · 2021
Meta-analysis6,894 participants60 studies pooledflagMood Support forscienceValerian
- Assessment of Valeriana officinalis l. (Valerian) for Conscious Sedation of Patients During the Extraction of Impacted Mandibular Third Molars: A Randomized, Split-Mouth, Double-Blind, Crossover Study.
Farah GJ; Ferreira GZ; Danieletto-Zanna CF; Luppi CR; Jacomacci WP · Journal of oral and maxillofacial surgery : official journal of the American Association of Oral and Maxillofacial Surgeons · 2020
Randomized trial20 participantsflagMood Support forscienceValerian
- Cross-sectional and longitudinal associations of magnesium intake and cognition in the Healthy Aging Longitudinal Study in Taiwan.
Tao MH; Chuang SC; Wu IC; Chan HT; Cheng CW; Chen HL; Lee MM; Chang HY; Hsiung CA; Hsu CC · European journal of nutrition · 2024
Cohort study5,663 participantsflagProductivity Boost forscienceMagnesium
- Low levels of serum magnesium are associated with poststroke cognitive impairment in ischemic stroke patients.
Tu X; Qiu H; Lin S; He W; Huang G; Zhang X; Wu Y; He J · Neuropsychiatric disease and treatment · 2022
Cohort study327 participantsflagProductivity Boost forscienceMagnesium
- The effects of magnesium L-threonate (Magtein®) on cognitive performance and sleep quality in adults: a randomised, double-blind, placebo-controlled trial.
Lopresti AL; Smith SJ · Frontiers in nutrition · 2026
Randomized trial100 participantsflagProductivity Boost forscienceMagnesium
- Hypomagnesemia and Acute Cognitive Decline in Older Adults: An Evaluation of Clinical Practice and Cognitive Outcomes at a National Health Service (NHS) Trust in England.
Lai XN; Sadhwani V; Ng WM; Gani A · Cureus · 2025
Cohort study667 participantsflagProductivity Boost forscienceMagnesium
- Magnesium Depletion Score as a Novel Predictor of Cognitive Impairment: A Population-Based Cross-Sectional Study From NHANES.
Chen M; Xue R; Zhang M; Zhang J; Zheng J; Ye D; Sun J · Journal of the American Medical Directors Association · 2025
Cross-sectional study2,768 participantsflagProductivity Boost forscienceMagnesium
- 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 trialflagProductivity Boost forscienceTheanine
- 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 participantsflagProductivity Boost flagStress Relief forscienceTheanine
- Effects of L-theanine on cognition, mood and sleep: evidence from human trials.
Cotter J; Kilpatrick HE · Frontiers in nutrition · 2026
Narrative reviewflagProductivity Boost forscienceTheanine
- 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 participantsflagProductivity Boost forscienceTheanine
- Safety and Efficacy of Gamma-Aminobutyric Acid from Fermented Rice Germ in Patients with Insomnia Symptoms: A Randomized, Double-Blind Trial.
Byun JI; Shin YY; Chung SE; Shin WC · Journal of clinical neurology (Seoul, Korea) · 2020
Randomized trial40 participantsflagSleep Support forscienceGABA
- Analysis of the Effects of Known Sleep-Support Supplements in Relation to Life Habits, Sleep Conditions, and Sleep Problems.
Imafuku F; Yamamoto K; Tanaka E; Aoki R; Nishino S · Nutrients · 2023
Randomized trial160 participantsflagSleep Support forscienceGABA
- Reduced γ-aminobutyric acid in occipital and anterior cingulate cortices in primary insomnia: a link to major depressive disorder?
Plante DT; Jensen JE; Schoerning L; Winkelman JW · Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology · 2012
Case-control study40 participantsflagSleep Support forscienceGABA
- Effects of magnesium and potassium supplementation on insomnia and sleep hormones in patients with diabetes mellitus.
Khalid S; Bashir S; Mehboob R; Anwar T; Ali M; Hashim M; Waseem H; Basharat S · Frontiers in endocrinology · 2024
Randomized trial320 participantsflagSleep Support forscienceMagnesium
- Association of magnesium intake with sleep duration and sleep quality: findings from the CARDIA study.
Zhang Y; Chen C; Lu L; Knutson KL; Carnethon MR; Fly AD; Luo J; Haas DM; Shikany JM; Kahe K · Sleep · 2022
Cohort study3,964 participantsflagSleep Support forscienceMagnesium
- Lidocaine vs. magnesium: effect on analgesia after a laparoscopic cholecystectomy.
Saadawy IM; Kaki AM; Abd El Latif AA; Abd-Elmaksoud AM; Tolba OM · Acta anaesthesiologica Scandinavica · 2010
Randomized trial120 participantsflagSleep Support forscienceMagnesium
- The effect of magnesium supplementation on primary insomnia in elderly: A double-blind placebo-controlled clinical trial.
Abbasi B; Kimiagar M; Sadeghniiat K; Shirazi MM; Hedayati M; Rashidkhani B · Journal of research in medical sciences : the official journal of Isfahan University of Medical Sciences · 2013
Randomized trial46 participantsflagSleep Support forscienceMagnesium
- A randomized, double-blind, placebo-controlled, multicenter study assessing the efficacy of magnesium oxide monohydrate in the treatment of nocturnal leg cramps.
Barna O; Lohoida P; Holovchenko Y; Bazylevych A; Velychko V; Hovbakh I; Bula L; Shechter M · Nutrition journal · 2021
Randomized trial175 participantsflagSleep Support forscienceMagnesium
- 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 participantsflagSleep Support forscienceTheanine
- Comparison Between Efficacy of Oral Melatonin and Oral L-theanine in Improving Sleep in Cancer Patients Suffering From Insomnia: A Randomised Double-blinded Placebo-controlled Study.
Kurdi MS; As A; Ladhad DA; Mitragotri MV; Baiju A · Indian journal of palliative care · 2024
Randomized trial120 participantsflagSleep Support forscienceTheanine
- The effects of L-theanine consumption on sleep outcomes: A systematic review and meta-analysis.
Bulman A; D'Cunha NM; Marx W; Turner M; McKune A; Naumovski N · Sleep medicine reviews · 2025
Meta-analysis897 participants19 studies pooledflagSleep Support forscienceTheanine
- In Search of a Safe Natural Sleep Aid.
Rao TP; Ozeki M; Juneja LR · Journal of the American College of Nutrition · 2016
Narrative reviewflagSleep Support forscienceTheanine
- Comparison the effect of valerian and gabapentin on RLS and sleep quality in hemodialysis patients: A randomized clinical trial.
Hajizadeh I; Jamshidi M; Kazemi M; Kargar H; Sadeghi T · Therapeutic apheresis and dialysis : official peer-reviewed journal of the International Society for Apheresis, the Japanese Society for Apheresis, the Japanese Society for Dialysis Therapy · 2023
Randomized trial40 participantsflagSleep Support forscienceValerian
- Efficacy and tolerability of valerian extract LI 156 compared with oxazepam in the treatment of non-organic insomnia--a randomized, double-blind, comparative clinical study.
Ziegler G; Ploch M; Miettinen-Baumann A; Collet W · European journal of medical research · 2003
Randomized trial202 participantsflagSleep Support forscienceValerian
- Effects of a Valerian-Hops Extract Combination (Ze 91019) on Sleep Duration and Daytime Cognitive and Psychological Parameters in Occasional Insomnia: A Randomized Controlled Feasibility Trial.
Schicktanz N; Gerhards C; Schlitt T; Aerni A; Müggler E; de Quervain D; Papassotiropoulos A; Boonen G; Drewe J; Butterweck V · Brain and behavior · 2025
Randomized trial40 participantsflagSleep Support forscienceValerian
- Valerian for sleep: a systematic review and meta-analysis.
Bent S; Padula A; Moore D; Patterson M; Mehling W · The American journal of medicine · 2006
Meta-analysis1,093 participants16 studies pooledflagSleep Support forscienceValerian
- Relieving occupational fatigue by consumption of a beverage containing γ-amino butyric acid.
Kanehira T; Nakamura Y; Nakamura K; Horie K; Horie N; Furugori K; Sauchi Y; Yokogoshi H · Journal of nutritional science and vitaminology · 2011
Clinical trial30 participantsflagStress Relief forscienceGABA
- Cortical gamma-aminobutyric acid and glutamate in posttraumatic stress disorder and their relationships to self-reported sleep quality.
Meyerhoff DJ; Mon A; Metzler T; Neylan TC · Sleep · 2014
Case-control study45 participantsflagStress Relief forscienceGABA
- Effects of Intravenous Esketamine or Magnesium Sulfate on Early Postoperative Negative Emotions and Pain in Patients Undergoing Endoscopic Sinus Surgery: A Randomized Controlled Trial.
Wang L; Zhou J; Liu Q; Qian K; Wang L; Xie C · Therapeutics and clinical risk management · 2026
Randomized trial137 participantsflagStress Relief forscienceMagnesium
- Effect of short-term magnesium supplementation on anxiety, depression and sleep quality in patients after open-heart surgery.
Saba S; Faizi F; Sepandi M; Nehrir B · Magnesium research · 2022
Non-randomized trial60 participantsflagStress Relief forscienceMagnesium
- Effects of dry needling compared to magnesium infiltration in trigger points for patients with myofascial pain syndrome: a randomized controlled study in Tunisia.
Dhouibi J; Moncer R; Kalbousi N; Gaddour M; Laayouni S; Ouanes W; Kacem B; Jemni S · Korean journal of family medicine · 2026
Randomized trial45 participantsflagStress Relief forscienceMagnesium
- Effect of magnesium and vitamin B6 supplementation on mental health and quality of life in stressed healthy adults: Post-hoc analysis of a randomised controlled trial.
Noah L; Dye L; Bois De Fer B; Mazur A; Pickering G; Pouteau E · Stress and health : journal of the International Society for the Investigation of Stress · 2021
Randomized trialflagStress Relief forscienceMagnesium
- Kava and St. John's Wort: current evidence for use in mood and anxiety disorders.
Sarris J; Kavanagh DJ · Journal of alternative and complementary medicine (New York, N.Y.) · 2009
Systematic reviewflagStress Relief forscienceSt. John's Wort
- Do early changes in the HAM-D-17 anxiety/somatization factor items affect the treatment outcome among depressed outpatients? Comparison of two controlled trials of St John's wort (Hypericum perforatum) versus a SSRI.
Bitran S; Farabaugh AH; Ameral VE; LaRocca RA; Clain AJ; Fava M; Mischoulon D · International clinical psychopharmacology · 2012
Other475 participantsflagStress Relief forscienceSt. John's Wort
- Protective and therapeutic effectiveness of taurine supplementation plus low calorie diet on metabolic parameters and endothelial markers in patients with diabetes mellitus: a randomized, clinical trial.
Moludi J; Qaisar SA; Kadhim MM; Ahmadi Y; Davari M · Nutrition & metabolism · 2022
Randomized trial120 participantsflagStress Relief forscienceTaurine
- Effects of taurine supplementation on VDT work induced visual stress.
Zhang M; Bi LF; Ai YD; Yang LP; Wang HB; Liu ZY; Sekine M; Kagamimori S · Amino acids · 2005
Randomized trial25 participantsflagStress Relief forscienceTaurine
- Taurine supplementation attenuates delayed increase in exercise-induced arterial stiffness.
Ra SG; Choi Y; Akazawa N; Ohmori H; Maeda S · Applied physiology, nutrition, and metabolism = Physiologie appliquee, nutrition et metabolisme · 2017
Randomized trial29 participantsflagStress Relief forscienceTaurine
- Correlations between dietary taurine intake and life stress in Korean college students.
Sung MJ; Chang KJ · Advances in experimental medicine and biology · 2009
Observational studyflagStress Relief forscienceTaurine
- Profiling inflammatory and oxidative stress biomarkers following taurine supplementation: a systematic review and dose-response meta-analysis of controlled trials.
Faghfouri AH; Seyyed Shoura SM; Fathollahi P; Shadbad MA; Papi S; Ostadrahimi A; Faghfuri E · European journal of clinical nutrition · 2022
Meta-analysisflagStress Relief forscienceTaurine
- 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 participantsflagStress Relief forscienceTheanine
- 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 trialflagStress Relief forscienceTheanine
- Effects of Passiflora incarnata and Valeriana officinalis in the control of anxiety due to tooth extraction: a randomized controlled clinical trial.
Velasquez ACA; Tsuji M; Dos Santos Cordeiro L; Petinati MFP; Rebellato NLB; Sebastiani AM; da Costa DJ; Scariot R · Oral and maxillofacial surgery · 2024
Randomized trial54 participantsflagStress Relief forscienceValerian
- Effect of kava and valerian on human physiological and psychological responses to mental stress assessed under laboratory conditions.
Cropley M; Cave Z; Ellis J; Middleton RW · Phytotherapy research : PTR · 2002
Non-randomized trial54 participantsflagStress Relief forscienceValerian
- Stress-induced insomnia treated with kava and valerian: singly and in combination.
Wheatley D · Human psychopharmacology · 2019
Single-arm trial24 participantsflagStress Relief forscienceValerian
- Magnesium and anabolic hormones in older men.
Maggio M; Ceda GP; Lauretani F; Cattabiani C; Avantaggiato E; Morganti S; Ablondi F; Bandinelli S; Dominguez LJ; Barbagallo M; Paolisso G; Semba RD; Ferrucci L · International journal of andrology · 2012
Cohort study399 participantsflagTestosterone Support forscienceMagnesium
- Analysis of the relationship between the blood concentration of several metals, macro- and micronutrients and endocrine disorders associated with male aging.
Rotter I; Kosik-Bogacka DI; Dołęgowska B; Safranow K; Kuczyńska M; Laszczyńska M · Environmental geochemistry and health · 2017
Cross-sectional study313 participantsflagTestosterone Support forscienceMagnesium
- Effect of magnesium supplementation in improving hyperandrogenism, hirsutism, and sleep quality in women with polycystic ovary syndrome: A randomized, placebo-controlled clinical trial.
Gholizadeh-Moghaddam M; Ghasemi-Tehrani H; Askari G; Jaripur M; Clark CCT; Rouhani MH · Health science reports · 2024
Randomized trial64 participantsflagTestosterone Support forscienceMagnesium
- The effects of trace element supplementation on glycolipid metabolism in PCOS: a systematic review and meta-analysis.
Yang L; Gao Y; Zhao W; Qi Y; Duo X; Wang H · Frontiers in nutrition · 2025
Meta-analysis1,600 participants25 studies pooledflagTestosterone Support forscienceMagnesium
- Effects of magnesium supplementation on testosterone levels of athletes and sedentary subjects at rest and after exhaustion.
Cinar V; Polat Y; Baltaci AK; Mogulkoc R · Biological trace element research · 2011
Non-randomized trial20 participantsflagTestosterone Support forscienceMagnesium
- Environmental exposure to metals and male reproductive hormones: circulating testosterone is inversely associated with blood molybdenum.
Meeker JD; Rossano MG; Protas B; Padmanahban V; Diamond MP; Puscheck E; Daly D; Paneth N; Wirth JJ · Fertility and sterility · 2010
Cross-sectional study219 participantsflagTestosterone Support forscienceZinc
- Nonpharmacological Interventions for the Management of Testosterone and Sperm Parameters: A Scoping Review.
Santos HO; Cadegiani FA; Forbes SC · Clinical therapeutics · 2022
Scoping reviewflagTestosterone Support forscienceZinc
- Zinc is an Essential Element for Male Fertility: A Review of Zn Roles in Men's Health, Germination, Sperm Quality, and Fertilization.
Fallah A; Mohammad-Hasani A; Colagar AH · Journal of reproduction & infertility · 2020
Narrative reviewflagTestosterone Support forscienceZinc
- Clinical, endocrinological and biochemical effects of zinc deficiency.
Prasad AS · Clinics in endocrinology and metabolism · 1986
Narrative reviewflagTestosterone Support forscienceZinc
- Clinical, endocrinologic, and biochemical effects of zinc deficiency.
Prasad AS · Special topics in endocrinology and metabolism · 1986
Narrative reviewflagTestosterone Support forscienceZinc