2585: Vitamin D and Blood Sugar Control

Black men and women, aged 40 and older

To examine whether adding a vitamin D supplement will improve blood measures related to diabetes risk.
Major Exclusions:	Non-black ethnicity Diabetes requiring medication Body Mass Index below 25 or above 39.9 Pregnancy or nursing
Length of Study:	84 days	# of Visits:	1 screening visit and 3 study visits
Residency:	3-4 hour visits, no overnight stays	Study diet	No diet; Vitamin D or placebo, & calcium supplement
Tests:	Glucose Tolerance Test, bone density test, questionnaires and physical measures
Payment:	$25 for screening and up to $300 for qualifying and study completion.	Can I work?	Yes, around study visits

Length of study
Total length of the study including resident stays and nonresident visits.
This does not mean you will be testing the entire time.
Residency
The length of time volunteers are required to stay overnight at the HNRCA. Residents have their own private room, bathroom, television, VCR, and phone during their stay.
Payment
The amount of reimbursement for travel and inconvenience.
Number of visits
Total number of nonresident visits.
Study diet
Indicates meals which will be provided by the HNRCA
Can I work?
Indicates if you will be able to work and if so, when.

For more information please complete our Study Inquiry Form or call Volunteer Services at (800) 738-7555 and a Recruiter will return your call as soon as possible.

We appreciate your interest in our program and we hope to work with you in the future.

Thank you,

The Recruitment Office
Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University