Roger Allyn Clemens, DrPH

Adjunct Lecturer

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More than 25 years of experience in the food industry and academia, 40 peer-reviewed publications, 70 invited medical/scientific lectures domestically and internationally, national/international leader in Institute of Food Technologists, American College of Nutrition and American Society for Nutritional Sciences


  • Precision nutrition to reset virus-induced human metabolic reprogramming and dysregulation (HMRD) in long-COVID NPJ Sci Food. 2024 Mar 30; 8(1):19. . View in PubMed
  • The absence of genotoxicity of Aloe vera beverages: A review of the literature Food Chem Toxicol. 2023 Apr; 174:113628. . View in PubMed
  • Significant shifts in preclinical and clinical neurotoxicology: a review and commentary Toxicol Mech Methods. 2023 Mar; 33(3):173-182. . View in PubMed
  • SARS-CoV-2 Infection Dysregulates Host Iron (Fe)-Redox Homeostasis (Fe-R-H): Role of Fe-Redox Regulators, Ferroptosis Inhibitors, Anticoagulants, and Iron-Chelators in COVID-19 Control J Diet Suppl. 2023; 20(2):312-371. . View in PubMed
  • Plant-Derived Natural Non-Nucleoside Analog Inhibitors (NNAIs) against RNA-Dependent RNA Polymerase Complex (nsp7/nsp8/nsp12) of SARS-CoV-2 J Diet Suppl. 2023; 20(2):254-283. . View in PubMed
  • Phytonutrient Inhibitors of SARS-CoV-2/NSP5-Encoded Main Protease (Mpro) Autocleavage Enzyme Critical for COVID-19 Pathogenesis J Diet Suppl. 2023; 20(2):284-311. . View in PubMed
  • The absence of genotoxicity of a mixture of aloin A and B and a commercial aloe gel beverage Toxicol Mech Methods. 2022 Jun; 32(5):385-394. . View in PubMed
  • COVID-19 during Pregnancy and Postpartum J Diet Suppl. 2022; 19(1):78-114. . View in PubMed
  • A Call for Perspective and Precision in Research Design and Conclusions Drawn From Preclinical Data Am J Clin Oncol. 2022 03 01; 45(3):134-135. . View in PubMed
  • COVID-19 during Pregnancy and Postpartum J Diet Suppl. 2022; 19(1):115-142. . View in PubMed
  • J Diet Suppl. 2022; 19(2):259-270. . View in PubMed
  • Bruce Nathan Ames – Paradigm shifts inside the cancer research revolution Mutat Res Rev Mutat Res. 2021 Jan-Jun; 787:108363. . View in PubMed
  • Do Refined Grains Have a Place in a Healthy Dietary Pattern: Perspectives from an Expert Panel Consensus Meeting Curr Dev Nutr. 2020 Oct; 4(10):nzaa125. . View in PubMed
  • A review of methanol poisoning: a crisis beyond ocular toxicology Cutan Ocul Toxicol. 2020 Sep; 39(3):173-179. . View in PubMed
  • A review of nutrition and dietary interventions in oncology SAGE Open Med. 2020; 8:2050312120926877. . View in PubMed
  • Aloe vera at the frontier of glycobiology and integrative medicine: Health implications of an ancient plant SAGE Open Med. 2019; 7:2050312119875921. . View in PubMed
  • A Cross-Sectional Study on the Dietary Pattern Impact on Cardiovascular Disease Biomarkers in Malaysia Sci Rep. 2019 09 20; 9(1):13666. . View in PubMed
  • What is the appropriate upper limit for added sugars consumption? Nutr Rev. 2017 01; 75(1):18-36.. View in PubMed
  • Functionality of Sugars in Foods and Health Compr Rev Food Sci Food Saf. 2016 May; 15(3):433-470. . View in PubMed
  • Food Addiction: Clinical Reality or Mythology Am J Med. 2015 Nov; 128(11):1165-6. . View in PubMed
  • Squeezing fact from fiction about 100% fruit juice Adv Nutr. 2015 Mar; 6(2):236S-243S. . View in PubMed
  • The future of oats in the food and health continuum Br J Nutr. 2014 Oct; 112 Suppl 2:S75-9. . View in PubMed
  • Oats, more than just a whole grain: an introduction Br J Nutr. 2014 Oct; 112 Suppl 2:S1-3. . View in PubMed
  • Mushrooms and Health Summit proceedings J Nutr. 2014 Jul; 144(7):1128S-36S. . View in PubMed
  • Conflicts of interest in approvals of food additives JAMA Intern Med. 2014 Feb 01; 174(2):299-300. . View in PubMed
  • Whole grains and health: from theory to practice–highlights of The Grains for Health Foundation’s Whole Grains Summit 2012 J Nutr. 2013 May; 143(5):744S-758S. . View in PubMed
  • Filling America’s fiber intake gap: summary of a roundtable to probe realistic solutions with a focus on grain-based foods J Nutr. 2012 Jul; 142(7):1390S-401S. . View in PubMed
  • Adv Nutr. 2012 Jul 01; 3(4):536-48. . View in PubMed
  • Milk A1 and A2 peptides and diabetes Nestle Nutr Workshop Ser Pediatr Program. 2011; 67:187-95. . View in PubMed
  • Are food cravings the body’s way of telling us that we are lacking nutrients? Sci Am. 2005 Sep; 293(3):124.. View in PubMed
  • Development of immunoassay for detection of meat and bone meal in animal feed J Food Prot. 2005 Sep; 68(9):1860-5. . View in PubMed
  • Questioning the clinical significance of Salacia oblonga J Am Diet Assoc. 2005 Aug; 105(8):1201; author reply 1201-2. . View in PubMed
  • Production of monoclonal antibody for the detection of meat and bone meal in animal feed J Agric Food Chem. 2004 Dec 15; 52(25):7580-5. . View in PubMed