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- Heart Rate - Hellhammer J, Fries E, Buss C, Engert V, Tuch A, Rutenberg D, Hellhammer DEffects of soy lecithin phosphatidic acid and phosphatidylserine complex (PAS) on the endocrine and psychological responses to mental stressStress.(2004 Jun)
- Heart Rate - Jówko E, Sadowski J, Długołęcka B, Gierczuk D, Opaszowski B, Cieśliński IEffects of Rhodiola rosea supplementation on mental performance, physical capacity, and oxidative stress biomarkers in healthy menJ Sport Health Sci.(2018 Oct)
- Cortisol - Olsson EM, von Schéele B, Panossian AGA randomised, double-blind, placebo-controlled, parallel-group study of the standardised extract shr-5 of the roots of Rhodiola rosea in the treatment of subjects with stress-related fatiguePlanta Med.(2009 Feb)
- Stress Signs and Symptoms - Schutgens FW, Neogi P, van Wijk EP, van Wijk R, Wikman G, Wiegant FAThe influence of adaptogens on ultraweak biophoton emission: a pilot-experimentPhytother Res.(2009 Aug)
- Fatigue Symptoms - 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)
- Fatigue Symptoms - Darbinyan V, Kteyan A, Panossian A, Gabrielian E, Wikman G, Wagner HRhodiola rosea in stress induced fatigue--a double blind cross-over study of a standardized extract SHR-5 with a repeated low-dose regimen on the mental performance of healthy physicians during night dutyPhytomedicine.(2000 Oct)
- Fatigue Symptoms - Spasov AA, Wikman GK, Mandrikov VB, Mironova IA, Neumoin VVA double-blind, placebo-controlled pilot study of the stimulating and adaptogenic effect of Rhodiola rosea SHR-5 extract on the fatigue of students caused by stress during an examination period with a repeated low-dose regimenPhytomedicine.(2000 Apr)
- Heart Rate - Portier H, Chatard JC, Filaire E, Jaunet-Devienne MF, Robert A, Guezennec CYEffects of branched-chain amino acids supplementation on physiological and psychological performance during an offshore sailing raceEur J Appl Physiol.(2008 Nov)
- Heart Rate - Harris R Lieberman, Lauren A Thompson, Christina M Caruso, Philip J Niro, Caroline R Mahoney, James P McClung, Gregory R CaronThe catecholamine neurotransmitter precursor tyrosine increases anger during exposure to severe psychological stressPsychopharmacology (Berl).(2015 Mar)
- Heart Rate - Banderet LE, Lieberman HRTreatment with tyrosine, a neurotransmitter precursor, reduces environmental stress in humansBrain Res Bull.(1989 Apr)
- Heart Rate - Baumeister J, Barthel T, Geiss KR, Weiss MInfluence of phosphatidylserine on cognitive performance and cortical activity after induced stressNutr Neurosci.(2008 Jun)
- Heart Rate - Sommer M, Braumann M, Althoff T, Backhaus J, Kordon A, Junghanns K, Ehrenthal D, Bartmann U, Hohagen F, Broocks APsychological and neuroendocrine responses to social stress and to the administration of the alpha-2-receptor antagonist, yohimbine, in highly trained endurance athletes in comparison to untrained healthy controlsPharmacopsychiatry.(2011 Jun)
- Cortisol - 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)
- Executive Function - Shinsuke Hidese, Shintaro Ogawa, Miho Ota, Ikki Ishida, Zenta Yasukawa, Makoto Ozeki, Hiroshi KunugiEffects of L-Theanine Administration on Stress-Related Symptoms and Cognitive Functions in Healthy Adults: A Randomized Controlled TrialNutrients.(2019 Oct 3)
- Anxiety Symptoms - Kristy Lu, Marcus A. Gray, Chris Oliver, David T. Liley, Ben J. Harrison, Cali F. Bartholomeusz, K. Luan Phan and Pradeep J. NathanThe acute effects of L-theanine in comparison with alprazolam on anticipatory anxiety in humansHuman Psychopharmacology.()
- Cortisol - E B De Sousa Fernandes Perna, E L Theunissen, K P C Kuypers, S W Toennes, J G RamaekersSubjective aggression during alcohol and cannabis intoxication before and after aggression exposurePsychopharmacology (Berl).(2016 Sep)
- Cortisol - Sarah Benson, Luke A Downey, Con Stough, Mark Wetherell, Andrea Zangara, Andrew ScholeyAn acute, double-blind, placebo-controlled cross-over study of 320 mg and 640 mg doses of Bacopa monnieri (CDRI 08) on multitasking stress reactivity and moodPhytother Res.(2014 Apr)
- Cortisol - Shawn M Talbott, Julie A Talbott, Annie George, and Mike PughEffect of Tongkat Ali on stress hormones and psychological mood state in moderately stressed subjectsJISSN.()
- Stress Signs and Symptoms - Cropley M, Cave Z, Ellis J, Middleton RWEffect of kava and valerian on human physiological and psychological responses to mental stress assessed under laboratory conditionsPhytother Res.(2002 Feb)
- Stress Signs and Symptoms - Kennedy DO, Little W, Scholey ABAttenuation of laboratory-induced stress in humans after acute administration of Melissa officinalis (Lemon Balm)Psychosom Med.(2004 Jul-Aug)
- Heart Rate Variability - Patrick A McConnell, Brett Froeliger, Eric L Garland, Jeffrey C Ives, Gary A SforzoAuditory driving of the autonomic nervous system: Listening to theta-frequency binaural beats post-exercise increases parasympathetic activation and sympathetic withdrawalFront Psychol.(2014 Nov 14)
- Blood Flow - Fernandes PR, Lira FA, Borba VV, Costa MJ, Trombeta IC, Santos Mdo S, Santos Ada CVitamin C restores blood pressure and vasodilator response during mental stress in obese childrenArq Bras Cardiol.(2011 Jun)