How to Access the Bionutrition Unit

To utilize CHPS resources, please contact the appropriate CHPS Core Director for a startup meeting prior to scheduling research subjects. All studies require IRB and CHPS approval before CHPS services can be provided.

  • Please contact Debra Cahn or Erin Donaldson prior to the start of the study to discuss nutrition services needed, scheduling, and communication for visits/encounters. CHPS Bionutrition staff will work with study team members to determine the best approaches for gathering the necessary research data for a particular study.
  • Specific registration and scheduling details will be discussed during the start-up meeting.
  • Please contact John Krall, Administrative Director - 267-425-1790 or krallj [at] - for cost of core services.


Nutrition Core Director
Babette Zemel, PhD
zemel [at]

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

Clinical Research Coordinator III
Erin Donaldson, B.S.
donaldson [at]