Hematocrit

    Last Updated: October 13, 2024

    Hematocrit is the volume percentage of red blood cells in one's blood, with normal values being 40–50% for men and 36–44% for women.

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    1,364 participants in 34 trials

    Examine Database: Hematocrit

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    Examine Database References

    1. L-Carnitine - Y Matsumoto, I Amano, S Hirose, Y Tsuruta, S Hara, M Murata, T ImaiEffects of L-carnitine supplementation on renal anemia in poor responders to erythropoietinBlood Purif.(2001)
    2. Fish Oil - Leila Vahedi, Alireza Ostadrahimi, Fatemeh Edalati-Fard, Hossein Aslani, Azizeh Farshbaf-KhaliliIs fish oil supplementation effective on maternal serum FBS, oral glucose tolerance test, hemoglobin and hematocrit in low risk pregnant women? A triple-blind randomized controlled trialJ Complement Integr Med.(2018 Feb 28)
    3. Saffron - Modaghegh MH, Shahabian M, Esmaeili HA, Rajbai O, Hosseinzadeh HSafety evaluation of saffron (Crocus sativus) tablets in healthy volunteersPhytomedicine.(2008 Dec)
    4. Vitamin D - Juan Mielgo-Ayuso, Julio Calleja-González, Aritz Urdampilleta, Patxi León-Guereño, Alfredo Córdova, Alberto Caballero-García, Diego Fernandez-LázaroEffects of Vitamin D Supplementation on Haematological Values and Muscle Recovery in Elite Male Traditional RowersNutrients.(2018 Dec 12)
    5. 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)
    6. Betaine - Armstrong LE, Casa DJ, Roti MW, Lee EC, Craig SA, Sutherland JW, Fiala KA, Maresh CMInfluence of betaine consumption on strenuous running and sprinting in a hot environmentJ Strength Cond Res.(2008 May)
    7. Astaxanthin - Nakagawa K, Kiko T, Miyazawa T, Carpentero Burdeos G, Kimura F, Satoh A, Miyazawa TAntioxidant effect of astaxanthin on phospholipid peroxidation in human erythrocytesBr J Nutr.(2011 Jun)
    8. Astaxanthin - Spiller GA, Dewell ASafety of an astaxanthin-rich Haematococcus pluvialis algal extract: a randomized clinical trialJ Med Food.(2003 Spring)
    9. 16:8 Intermittent Fasting - Kelsey Gabel, Kristin K Hoddy, Krista A VaradySafety of 8-h time restricted feeding in adults with obesityAppl Physiol Nutr Metab.(2019 Jan)
    10. Lactobacillus Reuteri - Jones ML, Martoni CJ, Di Pietro E, Simon RR, Prakash SEvaluation of clinical safety and tolerance of a Lactobacillus reuteri NCIMB 30242 supplement capsule: a randomized control trialRegul Toxicol Pharmacol.(2012 Jul)
    11. OMAD And 20:4 Intermittent Fasting - Stote KS, Baer DJ, Spears K, Paul DR, Harris GK, Rumpler WV, Strycula P, Najjar SS, Ferrucci L, Ingram DK, Longo DL, Mattson MPA controlled trial of reduced meal frequency without caloric restriction in healthy, normal-weight, middle-aged adultsAm J Clin Nutr.(2007 Apr)
    12. L-Carnitine - M R Rubin, J S Volek, A L Gómez, N A Ratamess, D N French, M J Sharman, W J KraemerSafety measures of L-carnitine L-tartrate supplementation in healthy menJ Strength Cond Res.(2001 Nov)
    13. OMAD And 20:4 Intermittent Fasting - B D Horne, J B Muhlestein, D L Lappé, H T May, J F Carlquist, O Galenko, K D Brunisholz, J L AndersonRandomized cross-over trial of short-term water-only fasting: metabolic and cardiovascular consequencesNutr Metab Cardiovasc Dis.(2013 Nov)
    14. Saffron - Mansoori P, et alA Randomized, Double-blind, Placebo - controlled Study of Safety of the Adjunctive Saffron on Sexual Dysfunction Induced by a Selective Serotonin Reuptake InhibitorJ Med Plant .()
    15. Astaxanthin - Kim JH, Chang MJ, Choi HD, Youn YK, Kim JT, Oh JM, Shin WGProtective effects of Haematococcus astaxanthin on oxidative stress in healthy smokersJ Med Food.(2011 Nov)
    16. Vitamin D - Seibert E, Lehmann U, Riedel A, Ulrich C, Hirche F, Brandsch C, Dierkes J, Girndt M, Stangl GIVitamin D3 supplementation does not modify cardiovascular risk profile of adults with inadequate vitamin D statusEur J Nutr.(2015 Nov 30)
    17. Cannabis - Timna Naftali, Lihi Bar-Lev Schleider, Iris Dotan, Ephraim Philip Lansky, Fabiana Sklerovsky Benjaminov, Fred Meir KonikoffCannabis induces a clinical response in patients with Crohn's disease: a prospective placebo-controlled studyClin Gastroenterol Hepatol.(2013 Oct)
    18. Astaxanthin - Saito M, Yoshida K, Saito W, Fujiya A, Ohgami K, Kitaichi N, Tsukahara H, Ishida S, Ohno SAstaxanthin increases choroidal blood flow velocityGraefes Arch Clin Exp Ophthalmol.(2012 Feb)
    19. Vitamin E - Meydani SN, Meydani M, Blumberg JB, Leka LS, Pedrosa M, Diamond R, Schaefer EJAssessment of the safety of supplementation with different amounts of vitamin E in healthy older adultsAm J Clin Nutr.(1998 Aug)
    20. Astaxanthin - Coombes JS, Sharman JE, Fassett RGAstaxanthin has no effect on arterial stiffness, oxidative stress, or inflammation in renal transplant recipients: a randomized controlled trial (the XANTHIN trial)Am J Clin Nutr.(2016 Jan)
    21. Saffron - Bentolhoda Mousavi, Seyedeh Zahra Bathaie, Farbod Fadai, Zabihollah Ashtari, Neda Ali Beigi, Sara Farhang, Sara Hashempour, Nasim Shahhamzei, Hamid HeidarzadehSafety evaluation of saffron stigma (Crocus sativus L.) aqueous extract and crocin in patients with schizophreniaAvicenna J Phytomed.(Sep-Oct 2015)
    22. L-Carnitine - Chen Y, Abbate M, Tang L, Cai G, Gong Z, Wei R, Zhou J, Chen XL-Carnitine supplementation for adults with end-stage kidney disease requiring maintenance hemodialysis: a systematic review and meta-analysisAm J Clin Nutr.(2014 Feb)
    23. Betaine - Lee EC, Maresh CM, Kraemer WJ, Yamamoto LM, Hatfield DL, Bailey BL, Armstrong LE, Volek JS, McDermott BP, Craig SAErgogenic effects of betaine supplementation on strength and power performanceJ Int Soc Sports Nutr.(2010 Jul 19)
    24. Saffron - Roghaieh Sadi, Sakineh Mohammad-Alizadeh-Charandabi, Mojgan Mirghafourvand, Yousef Javadzadeh, Afkham Ahmadi-BonabiEffect of Saffron (Fan Hong Hua) On the Readiness of The Uterine Cervix In Term Pregnancy: A Placebo-Controlled Randomized TrialIran Red Crescent Med J.(2016 Jun 20)
    25. Curcumin - Kim SW, Ha KC, Choi EK, Jung SY, Kim MG, Kwon DY, Yang HJ, Kim MJ, Kang HJ, Back HI, Kim SY, Park SH, Baek HY, Kim YJ, Lee JY, Chae SWThe effectiveness of fermented turmeric powder in subjects with elevated alanine transaminase levels: a randomised controlled studyBMC Complement Altern Med.(2013 Mar 8)
    26. Glutamine - Galera SC, Fechine FV, Teixeira MJ, Coelho ZC, de Vasconcelos RC, de Vasconcelos PRThe safety of oral use of L-glutamine in middle-aged and elderly individualsNutrition.(2010 Apr)
    27. Ketogenic Diet - Urbain P, Strom L, Morawski L, Wehrle A, Deibert P, Bertz HImpact of a 6-week non-energy-restricted ketogenic diet on physical fitness, body composition and biochemical parameters in healthy adultsNutr Metab (Lond).(2017 Feb 20)
    28. Magnesium - Milinković N, Zeković M, Dodevska M, Đorđević B, Radosavljević B, Ignjatović S, Ivanović NMagnesium supplementation and iron status among female students: The intervention study.J Med Biochem.(2022-Jul-29)
    29. Magnesium - Córdova A, Mielgo-Ayuso J, Roche E, Caballero-García A, Fernandez-Lázaro DImpact of Magnesium Supplementation in Muscle Damage of Professional Cyclists Competing in a Stage Race.Nutrients.(2019-Aug-16)
    30. Sauna - Skorski S, Schimpchen J, Pfeiffer M, Ferrauti A, Kellmann M, Meyer TEffects of Postexercise Sauna Bathing on Recovery of Swim Performance.Int J Sports Physiol Perform.(2019-Dec-22)
    31. Sauna - Bartolomé I, Siquier-Coll J, Pérez-Quintero M, Robles-Gil MC, Grijota FJ, Muñoz D, Maynar-Mariño M3-Week passive acclimation to extreme environmental heat (100± 3 °C) in dry sauna increases physical and physiological performance among young semi-professional football players.J Therm Biol.(2021-Aug)
    32. Tongkat Ali - Henkel RR, Wang R, Bassett SH, Chen T, Liu N, Zhu Y, Tambi MITongkat Ali as a potential herbal supplement for physically active male and female seniors--a pilot study.Phytother Res.(2014-Apr)
    33. Bitter orange - Bush JA, Ratamess NA, Stohs SJ, Ellis NL, Vought IT, O'Grady EA, Kuper JD, Kang J, Faigenbaum ADAcute hematological and mood perception effects of bitter orange extract (p-synephrine) consumed alone and in combination with caffeine: A placebo-controlled, double-blind study.Phytother Res.(2018-Aug)
    34. Echinacea - Deccy S, Bartkowiak C, Rodricks N, Paultre KEchinacea Supplementation Does Not Impact Aerobic Capacity and Erythropoiesis in Athletes: A Meta-Analysis.Nutrients.(2024 Jun 22)