702
Participants
Start Date
June 30, 2011
Primary Completion Date
May 31, 2014
Study Completion Date
June 30, 2014
Ferrous gluconate- 19 mg
Receive pills to take daily that contain 19 mg of iron (the typical amount in a multivitamin with iron).
Ferrous gluconate- 38 mg
Receive pills to take daily that contain 38 mg iron (the typical amount in an over-the-counter iron supplement).
Letter Group- Information Provided
Receive a letter informing them of their ferritin result at each visit, along with recommendations for blood donation.
Letter - No Information Provided
Receive a letter thanking the participant for their participation.
Placebo
Receive pills to take daily that contain 0 mg iron.
The Institute for Transfusion Medicince, Pittsburgh
Westat, Rockville
BloodCenter of Wisconsin, Milwaukee
American Red Cross, Connecticut Region, Farmington
Lead Sponsor
Versiti
OTHER
American National Red Cross
OTHER
The Institute for Transfusion Medicine
UNKNOWN
Westat
OTHER