Health Effects of Vitamin D Study

Are you overweight? Interested in the health effects of vitamin D?

Volunteers needed for a vitamin D study at Fred Hutch

Vitamin D image

Who we're looking for:

  • Healthy overweight men and women
  • Age 18 - 65 years old

Willing to:

  • Provide a blood sample (to determin initial vitamin D status)
  • Take a daily vitamin D supplement for 3 months
  • Pick up vitamin D supplements 1x/month for 3 months during weekday business hours at Fred Hutch
  • Visit the FHCRC Prevention Center for 2 visits over 3 months, each visit lasting about 6.5 hours to have blood drawn, urine collected, and undergo abdominal fat tissue needle biopsies

You will NOT be eligible if you:

  • Have a chronic disease or condition requiring the regular intake of medication
  • Were pregnant in the last six months, or are currently pregnant or breastfeeding

Eligible volunteers will:

  • Receive vitamin D testing and vitamin D supplements AT NO COST
  • Be reimbursed for completing the study

For more information and to see if you qualify, call (206) 667-6020