Clinical Research Directory

Inclusion Criteria: * Healthy eumenorrheic (regular monthly menstrual cycles of 25-30-days in length) * BMI 18.5 - 30 kg/m2 * Regular consumer of beans, i.e. ≥ 4 servings per month * Usual iron intake estimated by Food Frequency Questionnaire to be less than the Recommended Daily Allowance (RDA) of 18 mg/d (8) * Subject is willing and able to comply with the study protocols. * Subject is willing to participate in all study procedures. Exclusion Criteria: * Dislike or allergy to beans * Self-reported current or recent pregnancy (within the past 12 months) * Self-reported recent termination of pregnancy (3 months if abortion in 1st or 2nd trimester, or 12 months if in 3rd trimester) * Self-reported plans to become pregnant during the study period * Self-reported cancer * Self-reported surgery without the past 12 months * Currently taking prescription drugs, other than for contraception, or any nutritional supplements * Any daily iron supplementation within the past 12 months. * Currently breastfeeding * Any medical conditions affecting iron or zinc metabolism (such as hemochromatosis or sickle cell disease)