Human Nutrition Research Center on Aging - Tufts University

2630: Multivitamin and mineral supplement absorption

Healthy men and women 18-35 years

To determine absorption from the gut into the body of vitamin and minerals from common over-the-counter multivitamin and mineral supplement preparations (ICaps® Eye Vitamin) contained in soft gelatin capsules or tablets
Major Exclusions
  • BMI < 21, > 27 kg/m2
  • < 18, > 35 years
  • Multivitamin, fish oil, or mineral supplementation within the past month
  • Extremely high dietary intake of carotenoids
  • Pregnancy or lactation
  • Fat malabsorption
  • Hyperlipidemia
  • Alcohol consumption of more than 2 drinks per day or 14 drinks per week
  • Past or present smokers or nicotine patches or gum within the last 6 months
Length of Study

Approximately 15 weeks (1 month run-in, 3 - 1 week study phases with one month washout between phases)

 # of Visits

13 (one screening visit, 12 study visits)
Residency

None

 Study diet

Standard breakfast, lunch and dinner on the first day of each of the three phases. A low fruit and vegetable diet will be followed during the 3 - 1 week study phases.
Payment

$25 for screening, $710 if you qualify and complete the study

 Can I work?

Yes
  1. 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.
  2. 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.
  3. Payment
    The amount of reimbursement for travel and inconvenience.
  4. Number of visits
    Total number of nonresident visits.
  5. Study diet
    Indicates meals which will be provided by the HNRCA
  6. 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

 

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