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Rena S. Zelig, DCN

Department : Clinical and Preventive Nutritional Sciences
Program/Division : Clinical Nutrition
Academic Title: Associate Professor

Office Address:


Degree Degree Source Year Awarded
DCN Rutgers, The State University of New Jersey (SHRP) 2014
MS University of Medicine and Dentistry of New Jersey (UMDNJ) May 2010
Title Authors Where and When
Insulin Resistance and Serum Magnesium Levels among Women with PCOS Hamilton KP, Zelig R, Parker AR, Haggag A Current Developments in Nutrition. Published online ahead of print 10/3/2019. Available at:
The Relationship Between Vitamin D and Postpartum Depression: A review of current literature Tiderencel K, Zelig R, Parker A Topics in Clinical Nutrition. 2019; 34(4): 301-314.
Not All Grains are Created Equal: Gluten Free Products Not Included in Mandatory Folate Fortification Mitchell S, Gomes A, Zelig R, Parker A Current Developments in Nutrition. Published online ahead of print 03/27/2019. Available at:
The Eating Experience: Adaptive and Maladaptive Strategies of Older Adults with Tooth Loss Zelig R, Jones VM, Touger-Decker R, Hoskin ER, Singer SR, Byham-Gray L, Rigassio Radler D, Rothpletz-Puglia P Journal of Dental Research: Clinical and Translational Research (JDR CTR). 2019;4(3):217-228. Available at:
Impact of Intravenous Lipid Emulsions containing Fish Oil on Clinical Outcomes in Critically Ill Surgical Patients: A Literature Review Honeywell S, Zelig R, Rigassio Radler D Nutr Clin Pract. 2019;34(1):112–122
Dentition and Malnutrition Risk in Community-Dwelling Older Adults Zelig R, Byham-Gray L, Singer SR, Hoskin ER, Fleisch Marcus A, Verdino G, Rigassio Radler D, Touger-Decker R Journal of Aging, Research and Clinical Practice (JARCP), 2018;7:107-114. Published online at:
Vitamin E Supplementation in Pediatric Nonalcoholic Fatty Liver Disease Patusco R, Zelig R, Parker A Topics in Clinical Nutrition. 2018; 33(1):50-68
The Effectiveness of Computer-Assisted Instruction to Teach Physical Examination to Students and Trainees in the Health Sciences Professions: A Systematic Review and Meta-Analysis Tomesko, J. Touger-Decker, R., Dreker, M., Zelig, R., Parrot, J.S. Journal of Medical Education and Curricular Development. 2017;4:1-11
Impact of Sodium Status on Growth in Premature Infants Fisher K, Parker A, Zelig R Topics in Clinical Nutrition. 2017;32(2):113-122
Vitamin A Supplementation for the Prevention of Bronchopulmonary Dysplasia in Preterm Infants: An Update Schwartz E, Zelig R, Parker A, Johnson S Nutrition in Clinical Practice. 2017; 32(3): 346-353
Associations between Tooth Loss, with or without Dental Prostheses, and Malnutrition Risk in Older Adults: A Systematic Review Zelig R, Touger-Decker R, Chung M, Byham-Gray L Topics in Clinical Nutrition. 2016;31(3):232-247
Atherosclerotic Cardiovascular Disease in a Patient with Metabolic Syndrome: A Case Report and Review of the Evidence for Nutritional Interventions Zelig R, Cohen M, Davidson P, Ziegler J Topics in Clinical Nutrition. 2014; 29(2):165-186
Understanding the Properties of Common Dietary Supplements: Clinical Implications for Healthcare Practitioners Zelig R, Rigassio Radler D Nutrition in Clinical Practice. 2012; 27: 767-776
Impact for Continuing Education: Applying the Nutrition Care Process and Model and the International Dietetics and Nutrition Terminology for Dietitians in Long Term Care Zelig R, Byham-Gray L, Parrott J, Rigassio Radler D, and Touger-Decker R Topics in Clinical Nutrition. 2011; 26(3): 268-280
Award Year
Up & Coming Member Dietetics in Health Care Communities (DHCC), Dietetics Practice Group of the Academy of Nutrition and Dietetics 2015
Young Leadership Award Congregation Rinat Yisrael, Teaneck, NJ 2013
Commission on Dietetic Registration Doctoral Scholarship ($10,000) Academy of Nutrition and Dietetics Foundation 2012
MS in Clinical Nutrition Program Academic Excellence Award University of Medicine and Dentistry of NJ, School of Health Related Professions 2010
Dietetic Internship Program Clinical Excellence Award University of Medicine and Dentistry of NJ, School of Health Related Professions 2005
Dietetic Student Initiative Award New Jersey Dietetic Association 2005
Alumni Scholarship Award Ryerson University 2002
Faculty of Pure & Applied Science Scholarship York University 1998
Full Entrance Scholarship York University 1998
Research Interests
Nutrition and Oral Health
Nutrition and Aging
Clinical Nutrition
Dietetics Education
Research Grants
Title Sponsor Effective Dates Role
Exploring the Associations between Dentition Status, Nutritional Status, and the Eating Experience in Older Adults – A Mixed Methods Study. Sackler Institute for Nutritional Sciences – Early Career Scientist Grant March 2016-October 2018 PI
A User-Centered Approach to the Development of a Diet Education Tool for Older Adults with Tooth Loss. Academy of Nutrition and Dietetics Colgate Palmolive Fellowship in Nutrition, Oral Health/Dental Education Research Grant May 2019-2021 PI
Title Details
Rena Zelig BIO  Updated June 2019 I am a registered dietitian nutritionist, board certified specialist in gerontological nutrition, and a certified diabetes educator with almost 15 years of experience providing nutrition care to older adults in a variety of settings including long term and extended care, sub-acute rehabilitation and assisted living facilities as well as those in the community. My practice focuses on malnutrition prevention and treatment and diabetes and cardio metabolic disease management and prevention through heart healthy living. My full-time position is at Rutgers School of Health Professions where I am an Assistant Professor and Director of the Master of Science in Clinical Nutrition program. I teach courses in nutrition and aging, scientific writing as well as other subject matter from entry through advanced level practice and mentor thesis research students. Additionally, I am Adjunct Assistant Professor in the Rutgers School of Dental Medicine, where I teach nutrition, provide care in the adult clinics and supervise dental students in their clinical nutrition competencies. I also precept dietetic interns in their oral health rotation. My primary research has been in the area of gerontological nutrition and oral health, starting with a systematic review completed as part of my doctoral outcomes research exploring the associations between tooth loss and malnutrition risk in older adults. I received a 2016 grant from the Sackler Institute for Nutritional Sciences to complete a mixed methods study exploring the associations between dentition status, nutritional status and the eating experience in older adults. The outcomes of this research have been published in peer review journals and presented at national and international meetings. In 2019 I received a grant from the Academy of Nutrition and Dietetics Foundation to further my research in this area and develop a diet education tool for older adults with tooth loss utilizing a user centered approach.

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