Current Studies

An online form is available to contact study coordinators.

Postmenopausal Women needed for a Research Study

UC Davis Nutrition Scientists are looking for Postmenopausal Women for a research study that looks at the effects of Lychee fruit extract consumption on cardiovascular health.

The study requires 5 visits to the Ragle Human Nutrition Center located on the UC Davis Campus.

To qualify for this study you must be:

  • 52-65 years of age.
  • A Postmenopausal Woman.

You will receive at no cost:

  • Copies of standard laboratory results.
  • Compensation for your visits.

For more information call (530) 752-2915

Potato Study

UC Davis nutrition scientists are running a 15-week study to test whether diets that contain potatoes will be useful in weight loss or maintaining current body weight and how these diets affect your blood sugar.

We need: healthy men and women with BMI between 25 and 35 interested in losing weight who:

  • Must not be on any medication that would interfere with the outcomes of the study
  • May not have any known allergy or intolerance to potatoes
  • May not be pregnant of planning a pregnancy
  • Must not have diabetes, hypertension, atherosclerotic disease, inflammatory disease, or chronic lung, kidney, or liver disease

Study includes:

  • DEXA and OGGT: body composition and blood sugar tests
  • Weekly meetings with a dietitian
  • Potatoes and guidance on how to incorporate them into the diet will be provided via dietitian

Participants in the study will receive:

  • Compensation
  • Lab results

For more information call: 752-5510

Additional Potato Study information is available online

Online form to contact study coordinator

People Are Consuming More Sugar

Scientists at the University of California, Davis and the USDA are conducting a research study to determine the effects that drinking 3 sugar-sweetened beverages each day has on a person´s metabolism.

We need healthy men and women, age 18-40, who:

  • Are willing to drink 3 sugar-sweetened beverages each day for approximately 18 days
  • Are non-smokers and not taking thyroid, lipid-lowering, diabetes, depression or blood pressure medications
  • Have extra time to devote to helping us answer this important question

Participation in this study requires a significant time commitment:

  • The entire study lasts approximately 23 days.
  • For portions of the study you will need to live (at no expense with all food provided) at the Clinical Research Center at the Sacramento VA Hospital located at Mather Field.
    • For 3 ½ days at the beginning of the study
    • For 3 ½ days at the end of the study
  • You will be compensated a minimum of $1,020 for completing the study.

For more information, please call (530) 754-8093, listen for instructions about the DOSE RESPONSE SUGAR STUDY, and provide your contact information.

Additional Dose Response Sugar Study information is available online.

Online form to contact study coordinator

Strawberry Study (Blood Pressure, CSCBP)

UC Davis Nutrition scientists are looking for pre-hypertensive individuals who are willing to participate in a study to examine the effects of strawberries on blood pressure. The study lasts for 14 weeks.

We need: Pre-hypertensive (systolic 120-139 mmHg and/or diastolic 80-89 mmHg) men and women ages 25 – 65 years who:

  • Are not taking blood pressure medication or receiving treatment
  • Do not have an allergy or intolerance for dairy or strawberry products
  • Must not be taking any other medications or supplements
  • Females must not be taking birth control.

Participation in this study requires:

  • Consumption of a strawberry drink for ten weeks
  • Five clinic visits (not including screening) consisting of blood pressure monitoring, blood draws, an electrocardiogram (ECG), and brachial artery flow mediated vasodilation test (a test to examine the ability of your blood vessels to relax, only 2 throughout the study duration)
  • Subjects will also be asked to wear a 24-hour blood pressure monitor five times during the study (including screening).

Participants in the study will receive:

  • Compensation
  • Lab results

For more information call 754–5994 and follow prompt #3.

Additional Strawberry Study information is available online.

Online form to contact study coordinator