Clinical and Translational
Research Center

Dietary Assessment Unit

The Dietary Assessment Unit (DAU) provides a broad range of nutrition-related research services to investigators. This includes dietary analysis and evaluation of patient intake, food frequency questionnaires, nutrition education, and calculation of study meals. The Unit is staffed by experienced registered dietitians available for protocol consultation.

Collaborative information about the CHOP and PENN Dietary Assessment Unit can be found on ITMAT

How to access the Dietary Assessment Unit


24-Hour Recall (per day)

Diet or Food Record Analysis (per day)

Calculated Weighed Meals

Meal Analysis

Nutrient Balance (per day)

Nutrition Consultation - Patient related

Nutrition Consultation - Protocol (non-patient) related

Nutrition Education

Nutrition Questionnaire

Plan Study Meal/Develop Menu

Design and Test Recipe (HUP only)

Procure Special Food Items


Nutrition Core Director:
Babette Zemel, PhD
zemel [at]

Lead Clinical Nutritionist:
Vivian Brake, MS, RD, LDN
brake [at]

Lead Clinical Nutritionist:
Debra Cahn, RD, LDN
cahn [at]

Research Technician:
Erin Donaldson, B.S.
donaldson [at]

Updated May 2017