The primary objective of this study is to determine if 12 months of consuming 50 grams of dried plum daily will prevent bone loss or augment bone accrual of young adult oral contraceptive (OC) users.

Eligible participants will be assigned among three groups 1) control non-OC users, 2) control OC users, and 3) dried plum OC users. OC users will be randomly allocated to the dried plum OC group, which will consume 50 g dried plum daily for 12 months, or a control group, for which dried plums will not be allowed and no control food will be provided.

Inclusion Criteria:

• Age 18-25

Exclusion Criteria:

• Metabolic bone disease, renal disease, cancer, CVD, diabetes mellitus, respiratory disease, gastrointestinal disease, liver disease or other chronic diseases, heavy smoking (more than twenty cigarettes/day) and current use of any prescription medications known to alter bone and calcium metabolism
• Regularly consumed dried plum or prune juice