PhD Nutritional Sciences at University of Arizona

Programme overview

The Ph.D. in Nutritional Sciences allows you to earn a graduate degree in nutritional sciences while pursuing interdisciplinary opportunities in basic, clinical, epidemiological or translational research. You will complete 63 units of coursework and work with a faculty advisor to guide and support your dissertation research.

Faculty: College of Agriculture, Life & Environmental Sciences | Duration: 6 years / 63 units | Study mode: full-time | Location: Tucson, AZ, United States

What you will study

The PhD degree requires 63 units, which comprises a minimum of 36 major coursework units, 18 dissertation units, and 9+ minor coursework units. The doctoral dissertation focuses on the student’s research project under the supervision of their selected faculty advisor/mentor.

Official programme page

Application information

Entry requirements

Graduate College minimum (applies to all programmes; departments may add requirements): regionally accredited bachelor's degree or comparable international degree and a minimum 3.00 GPA for degree programmes on a 4.00 scale. The Graduate College does not require the GRE, though individual programmes may. Programme-specific requirements are listed in the Graduate Admissions Guide.

Domestic applicants: USD 15,500 a year (2026-27). FY 2027 published base tuition for the Resident Graduate rate band, which applies to main-campus graduate programmes. Excludes mandatory fees, college fees, program fees and differential tuition, housing and meal plans. Source

International applicants: USD 35,800 a year (2026-27). FY 2027 published base tuition for the Non-Resident Graduate rate band, which applies to main-campus graduate programmes. Excludes mandatory fees, college fees, program fees and differential tuition, housing and meal plans. Source

Spring semester begins January 13 and fall semester begins August 23 for undergraduate international students; for graduate students spring begins January 14 and fall August 25.

Apply through the official page: https://grad.arizona.edu/admissions

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