Lauri O. Byerley, PhD, RDN, LDN, FAND

Associate Professor Research
Fellow of the Academy of Nutrition and Dietetics

Lion's Building
2020 Gravier Street
Department of Physiology
New Orleans, LA 70112
Phone: (504)-568-6158


  • MS, Nutritional Sciences, Purdue University
  • PhD, Public Health/Nutritional Sciences, UCLA
  • Postdoctoral Fellowship: Metabolism, Stanford University
  • Nutrition and Metabolism, Harbor-UCLA Medical Center
  • Registered Dietitian Nutritionist
  • Licensed Dietitian Nutritionist


Dr. Lauri O. Byerley received her bachelor’s degree in Food and Nutrition, Related Science from Iowa State University, and her Master's degree in Nutritional Science from Purdue University.  She was awarded her Ph.D. in Public Health/Nutritional Sciences with a minor in Biological Sciences from the University of California in Los Angeles, CA.  As well, she is a Registered Dietitian.

During the last several decades, she has taught nutrition at several accredited universities and conducted research.  Her focus has been nutrition metabolism and its role in cancer, obesity, and exercise, which has resulted in funded grants and more than 44 peer-reviewed original publications, and several books. Her current research interest is the influence of diet on the gut microbiome and body composition. Her research has been presented at 30 local, state, and national meetings. She has appeared on numerous television and radio shows and provided obesity and sports nutrition counseling.

Research Interests

  • Diet
  • Gut Microbiome
  • Body Composition
  • Cancer Cachexia
  • Sports Nutrition
  • Assessment of dietary intake and the role of dietary constituents on health
  • Nutrition education of health science students

Teaching Activities

Nutrition lectures in:

  • Medicine
  • Nursing
  • Dental Hygiene

Selected Publications

Coleman MT, Brantley PR, Wiseman PM, English MR, Byerley L. Brief, effective experience to increase first-year medical students' nutrition awareness. Med Educ Online. 2021 Dec;26(1):1896160. doi: 10.1080/10872981.2021.1896160. PMID: 33704028; PMCID: PMC7954485.

Byerley LO, Samuelson D, Blanchard E 4th, Luo M, Lorenzen BN, Banks S, Ponder MA, Welsh DA, Taylor CM. Changes in the gut microbial communities following addition of walnuts to the diet. J Nutr Biochem. 2017 Oct;48:94-102. doi: 10.1016/j.jnutbio.2017.07.001. Epub 2017 Jul 9. PMID: 28797931; PMCID: PMC5775887.

Byerley L, Lane H, Ludy MJ, Vitolins MZ, Anderson E, Niedert K, Pennington K, Yang J, Abram JK. Ethical Considerations for Successfully Navigating the Research Process. J Acad Nutr Diet. 2017 Aug;117(8):1302-1307. doi: 10.1016/j.jand.2017.02.011. Epub 2017 Mar 31. PMID: 28373022.

Byerley LO, Lee WN. Are ethanol and fructose similar? J Am Diet Assoc. 2010 Sep;110(9):1300-1. doi: 10.1016/j.jada.2010.06.012. PMID: 20800120.

Byerley LO, Leamy L, Tam SW, Chou CW, Ravussin E; Louisiana Healthy Aging Study. Development of a serum profile for healthy aging. Age (Dordr). 2010 Dec;32(4):497-507. doi: 10.1007/s11357-010-9146-8. Epub 2010 May 19. PMID: 20490702; PMCID: PMC2980595.

Byerley LO, Lee SH, Redmann S, Culberson C, Clemens M, Lively MO. Evidence for a novel serum factor distinct from zinc alpha-2 glycoprotein that promotes body fat loss early in the development of cachexia. Nutr Cancer. 2010;62(4):484-94. doi: 10.1080/01635580903441220. PMID: 20432169.

Byerley, LO, Gallivan, KM, Christopher, CJ, Taylor, CM, Luo, M, Dowd, SE, Davis, GM, Castro, HF, Campagna, SR, Ondrak, KS. Gut Microbiome and Metabolome Variations in Self-Identified Muscle Builders Who Report Using Protein Supplements. Nutrients. 2022; 14(3):533. https://doi.org/10.3390/nu14030533; https://www.mdpi.com/2072-6643/14/3/533

Boolani, A, Gallivan, KM, Ondrak, KS, Christopher, CJ, Castro, HF, Campagna, SR, Taylor, CM, Luo, M, Dowd, SE, Smith, ML, Byerley, LO. Trait Energy and Fatigue May Be Connected to Gut Bacteria among Young Physically Active Adults: An Exploratory Study. Nutrients. 2022; 14(3):466. https://doi.org/10.3390/nu14030466; https://www.mdpi.com/2072-6643/14/3/466

Whitehead, AK, Meyers, MC, Taylor, CM, Luo, M, Dowd, SE, Yue, X, Byerley, LO. Sex-Dependent Effects of Inhaled Nicotine on the Gut Microbiome. Nicotine Tob Res. 2022 Sep:24(9):1363-1370. PMID: 35271725. IF= 5.825, Citations: 10 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9356677/

Hutak, JL, Boolani, A, Byerley, LO. Energy drink usage by students attending an online university. J Am Coll Health. 2022 Aug 23:1-9. doi: 10.1080/07448481.2022.2109036. PMID: 35997694. IF= 2.4, Citations: 3; Views: 1754; Altmetric: 0 https://www.tandfonline.com/doi/full/10.1080/07448481.2022.2109036

Byerley, LO, Chang, HM, Lorenzen, B, Guidry, J, Hardman, WE. Impact of dietary walnuts, a nutraceutical option, on circulating markers of metabolic dysregulation in a rodent cachectic tumor model. Biomed Pharmacother. 2022 Nov;155:113728. doi: 10.1016/j.biopha.2022.113728. Epub 2022 September 21. PMID: 36152410; PMCID: PMC9618292. https://www.sciencedirect.com/science/article/pii/S0753332222011179?via%3Dihub

Byerley, L.O., Lorenzen, B., Chang, H.M., Hartman, W.G., Keenan, M.J., Page, R., Luo, M., Dowd, S.E., Taylor, C.M. Gut Microbial Dysbiosis Differs in Two Distinct Cachectic Tumor-Bearing Models Consuming the Same Diet. Nutrients. 2024 Apr 6;16(7):1076. doi: 10.3390/nu16071076. PMID: 38613109; PMCID: PMC11013133. IF= 5.717,

Additional Info