Nutritional science has emerged as a significant research topic in health sciences, social services, and public policy. The Texas Tech University Nutritional Sciences Ph.D. program integrates these multiple disciplines effectively.
Our Ph.D. in Nutritional Sciences provides you with an exceptionally collaborative, interdisciplinary setting. You will enjoy opportunities to collaborate with renowned scholars from a wide range of specialties, while working in outstanding research programs such as the Behavioral Medicine & Translational Research Lab, Nutrigenomics, Inflammation and Obesity Research Lab.
Texas Tech supports an impressive breadth of nutritional sciences research, in areas such as:
Obesity
Community nutrition
International nutrition
Food insecurity
Nanomedicine
Cardiovascular disease
Diabetes
Nutritional biochemistry
Drug development
Behavioral influences on nutrition and diet
Our broad range of research specialties ensures that you can focus your doctoral work in an area that supports your academic and career objectives.
Our Nutritional Sciences Ph.D. Program Supports Your Academic Success and Career Development
As a nutritional sciences Ph.D. candidate at Texas Tech, you will enjoy support to develop your career. The Ph.D. program offers you opportunities to:
Gain recognition for your work. Our faculty and Ph.D. students have an excellent track record of publications, with recent papers appearing in journals related to clinical nutrition, gerontology, sports medicine, applied physiology, and biology.
Work with nationally prominent researchers in nutritional sciences. Our faculty have conducted high-profile studies that have been covered by major news networks and national newspapers such as The Washington Post and New York Times.
Collaborate on multidisciplinary projects. You will have excellent opportunities to integrate nutritional science research with scholarship in other College of Human Sciences specialties, including obesity, addiction, human development, and education.
Serve in a clinical role. The College of Human Sciences' community-service mission has led to strong partnerships with community agencies and nonprofit organizations. You will have the opportunity to work directly with children, adults, and families as an advocate for better nutrition.
Career Benefits of a Nutritional Sciences Ph.D.
Our Ph.D. in nutritional sciences caters to students who seek a faculty position, with primary responsibilities of teaching and research.
In addition, a broad range of agencies and organizations seek leaders with advanced expertise in nutritional sciences. You will find opportunities in many sectors, including health care, education, public policy, food services, and sports.
September 2025
College of Human Sciences
Texas Tech University,
LUBBOCK,
Texas,
79409, United States
The applicant must have earned a bachelor’s degree from a regionally accredited institution in the United States or its equivalent from a foreign institution.
Test of English as a Foreign Language (TOEFL) - The minimum TOEFL score required is 79.
International English Language Testing Service (IELTS) - The minimum IELTS required score is an overall band score of 6.5 on the Academic version.
Pearson Test of English Academic (PTE Academic) - The minimum required PTE Academic score is 60.
Cambridge C2 Proficiency Test (Cambridge CPE) - The minimum required Cambridge CPE grade is a score of 180 or above.
Cambridge C1 Advanced Proficiency Test (Cambridge CAE) - The minimum required Cambridge CAE grade is a score of 175 or above.
Recommended deadlines for international students are as follows:
January 15 for Fall and Summer semesters
June 15 for Spring semesters
*There may be different IELTS requirements depending on your chosen course.
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