Publications

Selected Scientific Publications

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December 2022

Research Article ǀ Open Access ǀ ǀ Protein, Probiotics, Amino Acids, Absorption

Probiotic BC30 Improves Amino Acid Absorption from Plant Protein Concentrate in Older Women

(https://link.springer.com/article/10.1007/s12602-022-10028-4)
Kylie E. Walden, Anthony M. Hagele, Logan S. Orr, Kristen N. Gross, Joesi M. Krieger, Ralf Jäger, Chad M. Kerksick
Probiotics & Antimicro. Prot. 2022, 16(1):125-137.

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December 2022

Research Article ǀ Non-Open Access ǀ ǀ Amino Acids, Muscle Protein Synthesis, Anabolism

Leucine ingestion promotes mTOR translocation to the periphery and enhances total and peripheral RPS6 phosphorylation in human skeletal muscle

(https://link.springer.com/article/10.1007/s00726-022-03221-w)
Maksym N. H. Holowaty, Matthew J. Lees, Sidney Abou Sawan, Kevin J. M. Paulussen, Ralf Jäger, Martin Purpura, Scott A. Paluska, Nicholas A. Burd, Nathan Hodson & Daniel R. Moore
Amino Acids 2022, 55(2):253-261.

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September 2022

Research Article ǀ Open Access ǀ ǀ Nootropic, Cognition, Memory

Effects of Acute Ashwagandha Ingestion on Cognitive Function

(https://www.mdpi.com/1660-4601/19/19/11852)
Dante Xing, Choongsung Yoo, Drew Gonzalez, Victoria Jenkins, Kay Nottingham, Broderick Dickerson, Megan Leonard, Joungbo Ko, Mark Faries, Wesley Kephart, Martin Purpura, Ralf Jäger, Ryan Sowinski, Christopher J Rasmussen, Richard B Kreider
Int J Environ Res Public Health  2022, 19(19):11852.

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August 2022

Research Article ǀ Open Access ǀ ǀ Probiotics, Anti-inflammatory, Immunity

In vitro assessment of the probiotic properties of an industrial preparation containing Lacticaseibacillus paracasei in the context of athlete health

(https://www.frontiersin.org/articles/10.3389/fphar.2022.857987/full)
Helton Pereira Dos Santos Nunes DE Moura, Jason Michael Cholewa, Ralf Jäger, Eduardo Zapaterra Campos, Bruno Viana Rosa, Flávio Antônio DE Sousa Nunes, Clara Andressa DE Araújo Barros, Priscila Almeida Queiroz Rossi, Jose Gerosa-Neto, Nelo Eidy Zanchi, Fabrício Eduardo Rossi
Front Pharmacol. 2022, 13:857987.

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July 2022

Research Article ǀ Open Access ǀ ǀ Capsaicin, Sports Nutrition, Muscle Health

Acute Low-Dose Capsiate Supplementation Improves Upper Body Resistance Exercise Performance in Trained Men: A Randomized, Crossover and Double-Blind Study

(https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9458288/)
Helton Pereira dos Santos Nunes de Moura, Jason Michael Cholewa, Ralf Jäger, Eduardo Zapaterra Campos, Bruno Viana Rosa, Flavio Antonio de Sousa Nunes, Clara Andressa de Araujo Barros, Priscila Almeida Queiroz Rossi, Jose Gerosa-Neto, Nelo Eidy Zanchi, Fabrício Eduardo Rossi
Int J Exerc Sci.  2021, 15(2):1007-1018.

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July 2022

Research Article ǀ Open Access ǀ ǀ Joint Health, Hops

Effects of Standardized Hops (Humulus lupulus L.) Extract on Joint Health: A Randomized, Placebo-Controlled, Double-Blind, Multiple Dose Study

(https://austinpublishinggroup.com/nutrition-metabolism/fulltext/ajnm-v9-id1124.pdf)
Ralf Jäger, Brett Bernier, Jason Theodosakis, Gregory Bonfilio, Chad M. Kerksick, Martin Purpura
Austin J Nutr Metab. 2022, 9(2):1124.

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July 2022

Research Article ǀ Open Access ǀ ǀ Sports Nutrition, Exercise, Performance

Acute Low-Dose Capsiate Supplementation Improves Upper Body Resistance Exercise Performance in Trained Men: A Randomized, Crossover and Double- Blind Study

(https://digitalcommons.wku.edu/ijes/vol15/iss2/12/)
Helton Pereira dos Santos Nunes de Moura, Jason Michael Cholewa, Ralf Jäger, Eduardo Zapaterra Campos, Bruno Viana Rosa, Flavio Antonio de Sousa Nunes, Clara Andressa de Araujo Barros, Priscila Almeida Queiroz Rossi, Jose Gerosa-Neto, Nelo Eidy Zanchi, Fabricio Eduardo Rossi
Int J Exerc Sci  2022, 15(2): 1007-1018.

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February 2022

Review Article ǀ Open Access ǀ ǀ Sports Nutrition, Creatine

Bioavailability, Efficacy, Safety and Regulatory Status of Creatine and Related Compounds: A Critical Review

(https://www.mdpi.com/2072-6643/14/5/1035)
Richard B Kreider, Ralf Jäger, Martin Purpura
Nutrients  2022, 15(2): 13(5):1035.

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February 2022

Research Article ǀ Open Access ǀ ǀ Paraxanthine, Sports Nutrition, Muscle Health

Paraxanthine Supplementation Increases Muscle Mass, Strength, and Endurance in Mice

(https://www.mdpi.com/2072-6643/14/4/893)
Ralf Jäger, Martin Purpura, Shawn D. Wells, Kylin Liao, Ashok Godavarthi
Nutrients  2022, 14(4):893.

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December 2021

Research Article ǀ Open Access ǀ ǀ Paraxanthine, Cognition, Brain Health

Dose-Response of Paraxanthine on Cognitive Function: A Double Blind, Placebo Controlled, Crossover Trial

(https://www.mdpi.com/2072-6643/13/12/4478)
Dante Xing, Choongsung Yoo, Drew Gonzalez, Victoria Jenkins, Kay Nottingham, Broderick Dickerson, Megan Leonard, Joungbo Ko, Mark Faries, Wesley Kephart, Martin Purpura, Ralf Jäger, Shawn D. Wells, Ryan Sowinski, Christopher J. Rasmussen, Richard B. Kreider
Nutrients  2021, 13(12):4478.

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December 2021

Research Article ǀ Open Access ǀ ǀ Capsaicin, Sports Nutrition, Muscle Health

Chronic capsiate supplementation increases fat-free mass and upper body strength but not the inflammatory response to resistance exercise in young untrained men: a randomized, placebo-controlled and double-blind study

(https://www.tandfonline.com/doi/full/10.1186/s12970-021-00446-0)
Vilton Emanoel Lopes de Moura e Silva, Jason Michael Cholewa, Ralf Jäger, Nelo Eidy Zanchi, Marcelo Conrado de Freitas, Rayane Carvalho de Moura, Esmeralda Maria Lustosa Barros, Barbara Moura Antunes, Erico Chagas Caperut , Sergio Luiz Galan Ribeiro, Fabio Santos Lira, Marcos Antônio Pereira dos Santos, Fabrício Eduardo Rossi
J Int Soc Sports Nutr  2021, 18:50.

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November 2021

Research Article ǀ Open Access ǀ ǀ ATP, Performance, Muscle Health

Dose Response of Acute ATP Supplementation on Strength Training Performance

(https://www.frontiersin.org/articles/10.3389/fspor.2021.780459/full)
Helton Pereira dos Santos Nunes de Moura, Ralf Jäger, Martin Purpura, John A. Rathmacher, John C. Fuller Jr, Fabrício Eduardo Rossi
Front. Sports Act. Living 2021, 3:780459.

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November 2021

Research Article ǀ Open Access ǀ ǀ Paraxanthine, Cognition, Brain Health

Acute Paraxanthine Ingestion Improves Cognition and Short-Term Memory and Helps Sustain Attention in a Double-Blind, Placebo-Controlled, Crossover Trial

(https://www.mdpi.com/2072-6643/13/11/3980)
Martin Purpura, Ralf Jäger, Michael Falk
Nutrients 2021, 13(11):3980.

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September 2021

Research Article ǀ Open Access ǀ ǀ Paraxanthine, Toxicity, Safety

An assessment of mutagenicity, genotoxicity, acute-, subacute and subchronic oral toxicity of paraxanthine (1,7-dimethylxanthine)

(https://www.sciencedirect.com/science/article/abs/pii/S0278691521006128)
Choongsung Yoo, Dante Xing, Drew Gonzalez, Victoria Jenkins, Kay Nottingham, Broderick Dickerson, Megan Leonard, Joungbo Ko, Mark Faries, Wesley Kephart, Martin Purpura, Ralf Jäger, Shawn D. Wells, Ryan Sowinski, Christopher J. Rasmussen, Richard B. Kreider
Food Chem Tox 2021, 158:112579.

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September 2021

Research Article ǀ Open Access ǀ ǀ Paraxanthine, Toxicity, Safety

An assessment of mutagenicity, genotoxicity, acute-, subacute and subchronic oral toxicity of paraxanthine (1,7-dimethylxanthine)

(https://www.sciencedirect.com/science/article/abs/pii/S0278691521006128)
Choongsung Yoo, Dante Xing, Drew Gonzalez, Victoria Jenkins, Kay Nottingham, Broderick Dickerson, Megan Leonard, Joungbo Ko, Mark Faries, Wesley Kephart, Martin Purpura, Ralf Jäger, Shawn D. Wells, Ryan Sowinski, Christopher J. Rasmussen, Richard B. Kreider
Food Chem Tox 2021, 158:112579.

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July 2021

Research Article ǀ Open Access ǀ ǀ Muscle Protein Synthesis, Muscle Health, Dipeptide

Dileucine ingestion is more effective than leucine in stimulating muscle protein turnover in young males: a double blind randomized controlled trial

(https://journals.physiology.org/doi/full/10.1152/japplphysiol.00295.2021)
Kevin J.M. Paulussen, Rafael A. Alamilla, Amadeo F. Salvador, Colleen F. McKenna, Andrew T. Askow, Hsin-Yu Fang, Zhong Li, Alexander V. Ulanov, Scott A. Paluska, John A. Rathmacher, Ralf Jäger, Martin Purpura, Nicholas A. Burd
J Appl Physiol 2021, 131: 1111–1122.

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June 2021

Review Article ǀ Open Access ǀ ǀ Sports Nutrition, Plant Protein, Body Composition

Plant Proteins and Exercise: What Role Can Plant Proteins Have in Promoting Adaptations to Exercise?

(https://www.mdpi.com/2072-6643/13/6/1962)
Chad M. Kerksick, Andrew Jagim, Anthony Hagele, Ralf Jäger,
Nutrients 2021, 13(6):1962.

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June 2021

Research Article ǀ Open Access ǀ ǀ Gut Health, Glucosamine, Prebiotic

Impact of Glucosamine Supplementation on Gut Health

(https://www.mdpi.com/2072-6643/13/7/2180)
Jessica M, Moon, Peter Finnegan, Richard A. Stecker, Hanna Lee, Kayla M. Ratliff, Ralf Jäger, Martin Purpura, Carolyn M. Slupsky, Maria L. Marco, Craig J. Wissent, Jason Theodosakis, Chad M. Kerksick
Nutrients 2021, 13(7):2180.

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June 2021

Review Article ǀ Open Access ǀ ǀ Sports Nutrition, Muscle Health, Body Composition

Chronic capsiate supplementation increases fat-free mass and upper body strength but not the inflammatory response to resistance exercise in young untrained men: a randomized, placebo-controlled and double-blind study

(https://jissn.biomedcentral.com/articles/10.1186/s12970-021-00446-0)
Vilton Emanoel Lopes de Moura e Silva, Jason Michael Cholewa, Ralf Jäger, Nelo Eidy Zanchi, Marcelo Conrado de Freitas, Rayane Carvalho de Moura, Esmeralda Maria Lustosa Barros, Barbara Moura Antunes, Erico Chagas Caperuto, Sergio Luiz Galan Ribeiro, Fabio Santos Lira, Marcos Antônio Pereira dos Santos and Fabrício Eduardo Rossi
J Int Soc Sports Nutr 2021, 18:50.

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June 2021

Review ǀ Open Access ǀ ǀ Traumatic Brain Injury, Creatine, Endurance

Effects of creatine intake on brain damage and endurance performance

(https://sndj-web.jp/news/001373.php)
Ralf Jäger, Martin Purpura, Scott C. Forbes, Toshitada Inoue
Sports Nutrition and Dietitians Japan (SNDJ) 2021

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May 2021

Abstract ǀ Open Access ǀ ǀ Cognition, RAD, EB2021

The effect of phosphatidylserine administration on cognition and symptoms of reactive attachment disorder – a randomized, double-blind, placebo-controlled clinical trial in adolescents

(https://faseb.onlinelibrary.wiley.com/doi/10.1096/fasebj.2021.35.S1.00180)
Ralf Jäger, Martin Purpura, Takuma Hirayama, Toshitada Inoue, Yasuhisa Tatsumi, Keno Ishihara
FASEB J 2021, 35(S1):180.

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May 2021

Abstract ǀ Open Access ǀ ǀ Joint Health, Collagen, EB2021

The effects of lemon verbena extract and hydrolyzed collagen supplementation, either alone or in combination, on subjects with mild arthritis of the knee joints

(https://faseb.onlinelibrary.wiley.com/doi/10.1096/fasebj.2021.35.S1.03579)
Martin Purpura, Ralf Jäger, Karim Balan
FASEB J 2021, 35(S1):3579.

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May 2021

Review ǀ Open Access ǀ ǀ Brain Health, Creatine

Improvement of mental performance by ingestion of creatine

(https://sndj-web.jp/news/001348.php)
Ralf Jäger, Martin Purpura, Scott C. Forbes, Toshitada Inoue
Sports Nutrition and Dietitians Japan (SNDJ) 2021

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January 2021

Review Article ǀ Open Access ǀ ǀ Chili Pepper, Sports Nutrition

Capsaicinoid and Capsinoids as an Ergogenic Aid: A Systematic Review and the Potential Mechanisms Involved

(https://journals.humankinetics.com/view/journals/ijspp/aop/article-10.1123-ijspp.2020-0677/article-10.1123-ijspp.2020-0677.xml)
Vilton E.L. de Moura E Silva, Jason M. Cholewa, Francois Bilaut , Ralf Jäger, Marcela C. de Freitas, Fabio S. Lira, Fabricio E. Rossi
Int J Sports Physiol Perform. 2021, 16, 464-473

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January 2021

Review Article ǀ Open Access ǀ|Sports Nutrition, Energy, Muscle Health

Health and ergogenic potential of oral adenosine-5′-triphosphate (ATP) supplementation.

(www.sciencedirect.com/science/article/pii/S1756464621000062)
Ralf Jäger, Martin Purpura, John A. Rathmacher, John C. Fuller Jr., Lisa M. Pitchford, Fabricio E. Rossi, Chad M. Kerksick.
J Funct Foods 2021, 78:104357.

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December 2020

Research Article ǀ Open Access ǀ ǀ Plant Protein, Sports Nutrition, Resistance Exercise

Effects of daily 24-gram doses of rice or whey protein on resistance training adaptations in trained males

(https://jissn.biomedcentral.com/articles/10.1186/s12970-020-00394-1)
Jessica M. Moon, Kayla M. Ratliff, Julia C. Blumkaitis, Patrick S. Harty, Hannah A. Zabriskie, Richard A. Stecker, Brad S. Currier, Andrew R. Jagim, Ralf Jäger, Martin Purpura, Chad M. Kerksick
J Int Soc Sports Nutr. 2020, 17(1):60.

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November 2020

Poster Presentation ǀ Open Access ǀ Cognition, Ashwagandha

Acute ashwagandha supplementation improves cognitive function

(https://jissn.biomedcentral.com/articles/10.1186/s12970-020-00382-5#Sec37)
Dante Xing, Choongsung Yoo, Christopher J. Rasmussen, Martin Purpura, Ralf Jäger, Richard B. Kreider
J Int Soc Sports Nutr. 2020, 17(1):59.

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October 2020

Research Article ǀ Open Access ǀ Protein, Probiotics, Amino Acids

Bacillus coagulans GBI-30, 6086 improves amino acid absorption from milk protein

(https://nutritionandmetabolism.biomedcentral.com/articles/10.1186/s12986-020-00515-2)
Richard A. Stecker, Jessica M. Moon, Travis J. Russo, Kayla M. Ratliff, Petey W. Mumford, Ralf Jäger, Martin Purpura, Chad M. Kerksick
Nutr Metab (Lond) 2020, 17:93.

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August 2020

Review ǀ Open Access ǀ Sports Nutrition, Probiotics, Performance

Recent advances in clinical probiotic research for sport

(https://journals.lww.com/co-clinicalnutrition/Abstract/9000/Recent_advances_in_clinical_probiotic_research_for.99050.aspx)
Ralf Jäger, Alex E. Mohr, Jamie N. Pugh
Curr Opin Clin Nutr Metab Care 2020. 23:428-436.

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August 2020

Research Article ǀ Open Access ǀ ATP, Safety

Subchronic (90-Day) repeated dose toxicity study of disodium adenosine-5′-triphosphate in rats

(www.sciencedirect.com/science/article/pii/S0273230020301860)
Ralf Jäger, Martin Purpura, John C Fuller Jr
Regul Toxicol Pharmacol 2020, 116:104760

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May 2020

Review ǀ Open Access ǀ Microbiota, Sports Nutrition, Diet

The athletic gut microbiota

(https://jissn.biomedcentral.com/articles/10.1186/s12970-020-00353-w)
Alex E. Mohr, Ralf Jäger, Katie C. Carpenter, Chad M. Kerksick, Martin Purpura, Jeremy R. Townsend, Nicholas P. West, Katherine Black, Michael Gleeson, David B. Pyne, Shawn D. Wells, Shawn M. Arent, Richard B. Kreider, Bill I. Campbell, Laurent Bannock, Jonathan Scheiman, Craig J. Wissent, Marco Pane, Douglas S. Kalman, Jamie N. Pugh, Carmen P. Ortega-Santos, Jessica A. ter Haar, Paul J. Arciero, Jose Antonio
J Int Soc Sports Nutr 2020, 17:24.

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May 2020

Research Article ǀ Open Access ǀ Probiotics, Protein, BCAA

Probiotic Administration Increases Amino Acid Absorption from Plant Protein: a Placebo-Controlled, Randomized, Double-Blind, Multicenter, Crossover Study

(link.springer.com/article/10.1007/s12602-020-09656-5)
Ralf Jäger, Javier Zaragoza, Martin Purpura, Stefania Iametti, Mauro Marengo, Grant M. Tinsley, Anthony J. Anzalone, Jonathan M. Oliver, Walter Fiore, Andrea Biffi, Stacie Urbina, Lem Taylor
Probiotics Antimicro Prot 2020, 12:1330-1339.

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April 2020

Research Article ǀ Open Access ǀ Beta-Glucan, Sports Nutrition, Immune Health

Yeast Beta-Glucan Supplementation Downregulates Markers of Systemic Inflammation after Heated Treadmill Exercise

(www.mdpi.com/2072-6643/12/4/1144)
Hannah A. Zabriskier, Julia C. Blumkaitis, Jessica M. Moon, Bradley S. Currier, Riley Stefan, Kayla Ratliff, Patrick S. Harty, Richard A. Stecker, Karolina Rudnicka, Ralf Jäger, Michael D. Roberts, Kaelin Young, Andrew R. Jagim, , Chad M Kerksick
Nutrients 2020, 12(4):1144.

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December 2019

Review ǀ Open Access ǀ Sports Nutrition, Probiotics

International Society of Sports Nutrition Position Stand: Probiotics

(jissn.biomedcentral.com)
Ralf Jäger, Alex E. Mohr, Katie C. Carpenter, Chad M. Kerksick, Martin Purpura, Adel Moussa, Jeremy R. Townsend, Manfred Lamprecht, Nicholas P. West, Katherine Black, Michael Gleeson, David B. Pyne, Shawn D. Wells, Shawn M. Arent, Abbie E. Smith-Ryan, Richard B. Kreider, Bill I. Campbell, Laurent Bannock, Jonathan Scheiman, Craig J. Wissent, Marco Pane, Douglas S. Kalman, Jamie N. Pugh, Jessica A. ter Haar, Jose Antonio
J Int Soc Sports Nut 2019, 16:62.

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July 2019

Research Article ǀ Open Access ǀ Curcumin, Sports Nutrition, Performance

Eight Weeks of a High Dose of Curcumin Supplementation May Attenuate Performance Decrements Following Muscle-Damaging Exercise.

(www.mdpi.com/2072-6643/11/7/1692)
Ralf Jäger, Martin Purpura, Chad M Kerksick
Nutrients 2019, 11:1642.

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August 2018

Review ǀ Open Access ǀ Sports Nutrition, Protein, Creatine

ISSN exercise & sports nutrition review update: research & recommendations.

(jissn.biomedcentral.com/articles/10.1186/s12970-018-0242-y)
Chad M. Kerksick, Colin D. Wilborn, Michael D. Roberts, Abbie Smith-Ryan, Susan M. Kleiner, Ralf Jäger, Rick Collins, Mathew Cooke, Jaci N. Davis, Elfego Galvan, Mike Greenwood, Lonnie M. Lowery, Robert Wildman, Jose Antonio, Richard B. Kreider
J Int Soc Sports Nutr 2018, 15:38.

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August 2018

Research Article ǀ Open Access ǀ Capsaicinoids, Weight Management, Body Fat

Capsaicinoids supplementation decreases percent body fat and fat mass: adjustment using covariates in a post hoc analysis.

(https://jissn.biomedcentral.com/articles/10.1186/s40608-018-0197-1)
James Rogers, Stacie L. Urbina, Lem W. Taylor, Colin D. Wilborn, Martin Purpura, Ralf Jäger, Vijaya Juturu
BMC Obesity 2018, 5:22.

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April 2018

Research Article ǀ Open Access ǀ Muscle Health, Sports Nutrition, Krill Oil

The Effects of Krill Oil on mTOR Signaling and Resistance Exercise: A Pilot Study

(www.hindawi.com/journals/jnme/2018/7625981/)
John Georges, Matthew H. Sharp, Ryan P. Lowery, Jacob M. Wilson, Martin Purpura, Troy A. Hornberger, Flint Harding, James H. Johnson, David M. Peele, Ralf Jäger
J Nutr Metab 2018, 2018:7625981.

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April 2018

Research Article ǀ Open Access ǀ Curcumin, Bioavailability

Analysis of different innovative formulations of curcumin for improved relative oral bioavailability in human subjects

(link.springer.com/article/10.1007%2Fs00394-016-1376-9)
Martin Purpura, Ryan P. Lowery, Jacob M. Wilson, Haider Mannan, Gerald Münch, Valentina Razmovski-Naumovski
Eur J Nutr 2018, 57:929.

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December 2017

Review ǀ Open Access ǀ Gut Health, Probiotics, Protein

Probiotic Bacillus coagulans GBI-30, 6086 Improves Protein Absorption and Utilization.

(link.springer.com/article/10.1007%2Fs12602-017-9354-y)
Ralf Jäger, Martin Purpura, Sean Farmer, Howard A. Cash, David Keller
Probiotics Antimicrob Proteins 2017, Dec 1 [Epub ahead of print].

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June 2017

Research Article ǀ Open Access ǀ Weight Management, Appetite, Capsaicinoids

Effects of twelve weeks of capsaicinoid supplementation on body composition, appetite and self-reported caloric intake in overweight individuals.

(www.sciencedirect.com/science/article/pii/S0195666317302623)
Stacie L. Urbina, Michael D. Roberts, Wesley C. Kephart, Katelyn B. Villa, Emily N. Santos, Alyssa M. Olivencia, Haley M. Bennett, Marissa D. Lara, Cliffa A. Foster, Martin Purpura, Ralf Jäger, Lem W. Taylor, Colin D. Wilborn
Appetite 2017, 113:264-273.

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June 2017

Review ǀ Open Access ǀ Muscle Health, Sports Nutrition, Protein

International Society of Sports Nutrition Position Stand: Protein and Exercise.

(https://jissn.biomedcentral.com/articles/10.1186/s12970-017-0177-8)
Ralf Jäger, Chad M. Kerksick, Bill I. Campbell, Paul J. Cribb, Shawn D. Wells, Tim M. Skwiat, Martin Purpura, Tim N. Ziegenfuss, Arny A. Ferrando, Shwan M. Arent, Abbie E. Smith-Ryan, Jeffrey R. Stout, Paul J. Arciero, Michael J. Ormsbee, Lem W. Taylor, Colin D. Wilborn, Doug S. Kalman, Richard B. Kreider, Darryn S. Willoughby, Jay R. Hoffman, Jamie L. Krzykowski, Jose Antonio
J Int Soc Sports Nutr 2017, 14:20.

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April 2017

Poster Presentation ǀ Open Access ǀ Curcumin, Performance, Sports Nutrition

Novel Form of Curcumin Attenuates Performance Decrements Following Muscle Damaging Exercise

(www.fasebj.org/doi/abs/10.1096/fasebj.31.1_supplement.lb415)
Jonathan M. Oliver, Aaron R. Caldwell, Elizabeth Sanders, Joel B. Mitchell, David Rowlands, Martin Purpura, Ralf Jäger
FASEB J. 2017, 31(1):Supplement lb415

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April 2017

Poster Presentation ǀ Open Access ǀ Curcumin, Muscle Damage, Sports Nutrition

Curcumin Reduces Muscle Damage and Soreness Following Muscle-Damaging Exercise

(www.fasebj.org/doi/abs/10.1096/fasebj.31.1_supplement.lb766)
Ralf Jäger, Aaron R. Caldwell, Elizabeth Sanders, Joel B. Mitchell, James Rogers, Martin Purpura, Jonathan M. Oliver
FASEB J. 2017, 31(1):Supplement lb766

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January 2017

Research Article ǀ Open Access ǀ Muscle Health, Sports Nutrition, ATP

Oral Adenosine-5′-Triphosphate (ATP) Administration Increases Post-Exercise ATP Levels, Muscle Excitability and Athletic Performance Following a Repeated Sprint Bout.

(https://www.tandfonline.com/doi/abs/10.1080/07315724.2016.1246989)
Martin Purpura, John A. Rathmacher, Matthew H. Sharp, Ryan P. Lowery, Kevin A. Shields, Jeremy M. Partl, Jacob M. Wilson, Ralf Jäger
J Am Coll Nutr. 2017, 36(3):177-183.

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October 2016

Research Article ǀ Open Access ǀ Probiotics, Sports Nutrition, Performance

Probiotic Streptococcus thermophilus FP4 and Bifidobacterium breve BR03 Supplementation Attenuates Performance and Range-of-Motion Decrements Following Muscle Damaging Exercise

(www.mdpi.com/2072-6643/8/10/642)
Ralf Jäger, Martin Purpura, Jason D. Stone, Stephanie M. Turner, Anthony J Anzalone, Micah J. EImerbrink, M. Pane. Angela Amoruso, David S. Rowlands, Jonathan M. Oliver
Nutrients 2016, 8(10):642.

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September 2016

Poster Presentation ǀ Open Access ǀ Creatine, Bioavaialability

Reduction of plasma creatine concentrations as an indicator of improved bioavailability

(https://jissn.biomedcentral.com/articles/10.1186/s12970-016-0144-9)
Ralf Jäger, Martin Purpura, Roger C. Harris
J Int Soc Sports Nutr 2016, 13(Suppl 1):33

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July 2016

Research Article ǀ Open Access ǀ Heart Health, Blood Flow, Curcumin

Novel Form of Curcumin Improves Endothelial Function in Young, Healthy Individuals: A Double-Blind Placebo Controlled Study

(www.hindawi.com/journals/jnme/2016/1089653/)
Jonathan M. Oliver, Lee Stoner, David S. Rowlands, Aaron R. Caldwell, Elizabeth Sanders, Andreas Kreutzer, Joel B. Mitchell, Martin Purpura, Ralf Jäger
J Nutr Metab 2016, 2016:1089653.

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July 2016

Research Article ǀ Open Access ǀ Gut Health, Probiotics, Sports Nutrition

Probiotic Bacillus coagulans GBI-30, 6086 Reduces Exercise-Induced Muscle Damage and Increases Recovery.

(https://peerj.com/articles/2276/)
Ralf Jäger, Kevin A. Shields, Ryan P. Lowery, Eduard O. De Souza, Jeremy M. Partl, Chase Hollmer, Martin Purpura, Jacob M. Wilson,
PeerJ 2016, 4:e2276.

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December 2015

Poster Presentation ǀ Open Access ǀ Plant Protein, Digestive Enzymes, Bioavailability

Digestive enzymes reduce quality differences between plant and animal proteins: a double-blind crossover study

(https://link.springer.com/article/10.1186%2F1550-2783-12-S1-P26)
Julie Minevich, Mark A. Olsen, Joseph P. Mannion, Jaroslav H. Boublik, Josh O. McPherson, Ryan P. Lowery, Kevin Shields, Matthew Sharp, Eduardo O. De Souza, Jacob M. Wilson, Ralf Jäger
J Int Soc Sports Nutr 2015, 12:P26

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July 2015

Review ǀ Open Access ǀ Muscle Health, Sports Nutrition, Beta-Alanine

International Society of Sports Nutrition Position Stand: Beta-Alanine.

(https://jissn.biomedcentral.com/articles/10.1186/s12970-015-0090-y)
Eric T. Trexler, Abbie E. Smith-Ryan, Jeffrey R. Stout, Jay R. Hoffman, Colin D. Wilborn, Craig Sale, Richard B. Kreider, Ralf Jäger, Conrad P. Earnest, Laurent Bannock, Bill I. Campbell, Doug S. Kalman, Tim. N. Ziegenfuss, Jose Antonio
J Int Soc Sports Nutr 2015, 13:20.

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November 2014

Research Article ǀ Open Access ǀ Plant Protein, Rice Protein, Bioavailability

A Comparison of Blood Amino Acids Concentrations Following Ingestion of Rice and Whey Protein Isolate: A Double-Blind Crossover Study.

(http://www.annexpublishers.co/full-text/JNH/306/A-Comparison-of-Blood-Amino-Acid-Concentrations-Following-Ingestion-of-Rice-and-Whey-Protein-Isolate-A-Double-Blind-Crossover-Study.php)
Martin Purpura, Ryan P. Lowery, Jordan M. Joy, Eduard O. De Souza, Doug S. Kalman, Ralf Jäger, Jacob M. Wilson
J Nutr Health Sci 2014, 1(3):306.

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June 2014

Research Article ǀ Open Access ǀ Muscle Health, Sports Nutrition, Phosphatidic Acid

Phosphatidic acid enhances mTOR signaling and resistance exercise induced hypertrophy.

(https://nutritionandmetabolism.biomedcentral.com/articles/10.1186/1743-7075-11-29)
Jordan M. Joy, David M. Gundermann, Ryan P. Lowery, Ralf Jäger, Sean A. McCleary, Martin Purpura, Michael D Roberts, Stephanie M.C. Wilson, Troy A Hornberger, Jacob M. Wilson
Nutr Metab (Lond). 2014 11:29.

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June 2014

Research Article ǀ Open Access ǀ Heart Health, Blood Flow, ATP

Oral adenosine-5’-triphosphate (ATP) administration increases blood flow following exercise in animals and humans

(https://jissn.biomedcentral.com/articles/10.1186/1550-2783-11-28)
Ralf Jäger, Michael D. Roberts, Ryan P. Lowery, Jordan M. Joy, Clayton L. Cruthirds, Christopher M. Lockwood, John A. Rathmacher, Martin Purpura, Jacob M. Wilson
J Int Soc Sports Nutr 2014, 11:28.

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February 2014

Research Article ǀ Open Access ǀ Creatine, Russian Tarragon, Muscle

Effects of short-term ingestion of Russian Tarragon prior to creatine monohydrate supplementation on whole body and muscle creatine retention and anaerobic sprint capacity: a preliminary investigation

(https://jissn.biomedcentral.com/articles/10.1186/1550-2783-11-6)
Jonathan M. Oliver, Andrew R Jagim, Ivo Pischel, Ralf Jäger, Martin Purpura, Adam Sanchez, James Fluckey, Steven Riechman, Michael Greenwood, Katherine Kelly, Cynthia Meininger, Christopher Rasmussen, Richard B. Kreider
J Int Soc Sports Nutr 2014, 11:6.

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January 2014

Research Article ǀ Open Access ǀ Curcumin, Bioavailability

Comparative absorption of curcumin formulations

(https://nutritionj.biomedcentral.com/articles/10.1186/1475-2891-13-11)
Ralf Jäger, Ryan P Lowery, Allison V. Calvanese, Jordan M. Joy, Martin Purpura, Jacob M Wilson
Nutr J 2014, 13:11.

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December 2013

Poster Presentation ǀ Open Access ǀ Phosphatidic Acid, Safety

Safety of soy-derived phosphatidic acid supplementation in healthy young males

(https://link.springer.com/article/10.1186%2F1550-2783-10-S1-P6)
Joshua E. Dudeck, Jordan M. Joy, Ryan P. Lowery, Eduardo O. De Souza, Ralf Jäger, Sean A. McCleary, Stephanie M.C. Wilson, Martin Purpura, Jacob M. Wilson
J Int Soc Sports Nutr 2013, 10:P6

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June 2013

Research Article ǀ Open Access ǀ Muscle Health, Plant Protein, Sports Nutrition

The effects of 8 weeks of whey or rice protein supplementation on body composition and exercise performance

(https://nutritionj.biomedcentral.com/articles/10.1186/1475-2891-12-86)
Jordan M. Joy, Ryan P. Lowery, Jacob M. Wilson, Martin Purpura, Eduard O. De Souza, Stephanie M.C. Wilson, Douglas S. Kalman, Joshua E. Dudeck, Ralf Jäger
Nutr J 2013, 12:86.

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May 2013

Poster Presentation ǀ Open Access ǀ Probiotics, Prebiotics, Synbiotics

Pro- and Prebiotic In Vitro Screening to Identify Potential Best-Match Synbiotics

(www.gastrojournal.org/article/S0016-5085(13)63345-4/pdf)
Ralf Jäger, Martin Purpura, Jeroen Kiers, Mark Olsen
Gastroenterology 2013, 144(5 Suppl 1):S-898

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March 2013

Research Article ǀ Open Access ǀ ADHD, Phosphatidylserine, Cognition

The effect of phosphatidylserine administration on memory and symptoms of attention-deficit hyperactivity disorder: a randomised, double-blind, placebo-controlled clinical trial

(https://onlinelibrary.wiley.com/doi/abs/10.1111/jhn.12090)
Satoshi Hirayama, Koji Terasawa, Roland Rabeler, Takuma Hirayama, Toshitada Inoue, Yasuhisa Tatsumi, Martin Purpura, Ralf Jäger
J Hum Nutr Diet. 2013, Suppl 2:284-291

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October 2012

Research Article ǀ Open Access ǀ Muscle Health, Sports Nutrition, Phosphatidic Acid

Efficacy of phosphatidic acid ingestion on lean body mass, muscle thickness and strength gains in resistance-trained men

(https://jissn.biomedcentral.com/articles/10.1186/1550-2783-9-47)
Jay R Hoffman, Jeffery R Stout, David R Williams, Adam J Wells, Maren S Fragala, Gerald T Mangine, Adam M Gonzalez, Nadia S Emerson, William P McCormack, Tyler C Scanlon, Martin Purpura, Ralf Jäger
J Int Soc Sports Nutr 2012, 9:47.

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March 2011

Review ǀ Open Access ǀ Creatine, Safety, Sports Nutrition

Analysis of the efficacy, safety, and regulatory status of novel forms of creatine

(https://link.springer.com/article/10.1007%2Fs00726-011-0874-6)
Ralf Jäger, Martin Purpura, Andrew Shao, Toshitada Inoue, Richard B. Kreider
Amino Acids 2011, 40(5): 1169-1383.

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December 2010

Research Article ǀ Open Access ǀ Brain Health, Cognition, Focus

The effects of acute and prolonged CRAM supplementation on reaction time and subjective measures of focus and alertness in healthy college students

(https://link.springer.com/article/10.1007%2Fs00726-011-0874-6)
Jay R. Hoffman, Nicholas A. Ratamess, Adam Gonzalez, Noah A. Beller, Mattan W. Hoffman, Mark Olson, Martin Purpura, Ralf Jäger
J Int Soc Sports Nutr 2010, 7:39.

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September 2010

Poster Presentation ǀ Open Access ǀ Cognition, Sports Nutrition, Phosphatidylserine

The effects of phosphatidylserine supplementation on cognitive functioning prior and following an acute bout of resistance training in young males

(https://link.springer.com/article/10.1186%2F1550-2783-7-S1-P2)
Adam Parker, Josh Gordon, Aaron Thornton, John Lubker, Michelle Bartlett, Ralf Jäger, Martin Purpura, Mike Bird, Jonathan Oliver, Sunday Simbo, Chris Rasmussen, Richard B. Kreider
J Int Soc Sports Nutr 2010, 7:P2

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September 2008

Poster Presentation ǀ Open Access ǀ Creatine, Russian Tarragon, Bioavailability

The effect of Russian Tarragon (Artemisia Dracunculus L.) on the plasma creatine concentration with creatine monohydrate administration

(https://link.springer.com/article/10.1186%2F1550-2783-5-S1-P4)
Ralf Jäger, Iain P. Kendrick, Martin Purpura, Roger C. Harris, David M. Ribnicky, Ivo Pischel
J Int Soc Sports Nutr 2008, 5:P4

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September 2008

Poster Presentation ǀ Open Access ǀ Brain Health, L-Theanine, Mental Regeneration

Improving Mental Regeneration After Physical Exercise

(https://link.springer.com/article/10.1186%2F1550-2783-5-S1-P3)
Ralf Jäger, Martin Purpura, Kurt-Reiner Geiss, Thorsten Barthel, Reinhard Schnittker, Michael Weiß
J Int Soc Sports Nutr 2008, 5:P3

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July 2008

Research Article ǀ Open Access ǀ Phosphatidylserine, Cortisol, Testosterone

The effect of phosphatidylserine on endocrine response to moderate intensity exercise

(https://jissn.biomedcentral.com/articles/10.1186/1550-2783-5-11)
Michael A. Starks, Stacy L. Starks, Michael Kingsley, Martin Purpura, Ralf Jäger
J Int Soc Sports Nutr 2008, 5:11

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February 2008

Research Article ǀ Open Access ǀ Creatine Pyruvate, Creatine Citrate, Sports Nutrition

The effects of creatine pyruvate and creatine citrate on performance during high intensity exercise

(https://jissn.biomedcentral.com/articles/10.1186/1550-2783-5-4)
Ralf Jäger, Jan Metzger, Karin Lautmann, Vladimir Shushakov, Martin Purpura, Kurt-Reiner Geiss, Norbert Maassen
J Int Soc Sports Nutr 2008, 5:4

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December 2007

Research Article ǀ Open Access ǀ Golf, Phosphatidylserine, Sports Nutrition

The effect of phosphatidylserine on golf performance

(https://jissn.biomedcentral.com/articles/10.1186/1550-2783-4-23)
Ralf Jäger, Martin Purpura, Kurt-Reiner Geiss, Michael Weiß, Jochen Baumeister, Francesco Amatulli, Lars Schröder, Holger Herwegen
J Int Soc Sports Nutr 2007, 4:23

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November 2007

Research Article ǀ Open Access ǀ Creatine, Bioavailability

Comparison of new forms of creatine in raising plasma creatine levels

(https://jissn.biomedcentral.com/articles/10.1186/1550-2783-4-17)
Ralf Jäger, Roger C. Harris, Martin Purpura, Marc Francaux
J Int Soc Sports Nutr 2007, 4:17

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July 2007

Review ǀ Open Access ǀ Phospholipids, Sports Nutrition

Phospholipids and sports performance

(https://jissn.biomedcentral.com/articles/10.1186/1550-2783-4-5)
Ralf Jäger, Martin Purpura, Michael Kingsley
J Int Soc Sports Nutr 2007, 4:5