None listed
Conditions
Interventions
None listed
Sponsors
Chonnam National University
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: Adults aged 19–50 years, including men and menstruating women -Adults with all four biological grandparents of East Asian descent (Korean, Japanese, Chinese, Hong Kong, Taiwanese, Mongolian) - Healthy adults with a body mass index (BMI) = 18.5 and < 25.0
Exclusion criteria
Exclusion criteria: - At least one biological grandparent not of East Asian descent - Diseases affecting iron metabolism (e.g., gastrointestinal diseases, diabetes, fractures, severe immune system diseases) or taking medications - Unwilling to stop iron supplements for about four weeks, starting two weeks before the experiment - Body mass index (BMI) outside the range of 18.5-25.0 - Smokers - Unwilling to abstain from alcohol two weeks prior to the study - Adults with very high physical activity levels (e.g., athletes) - Pregnant or breastfeeding - Severe food allergies or numerous food aversions - Planning to move out of Gwangju or Jeollado province within three years or likely to have follow-up difficulties - Experienced significant blood loss (e.g., from donation or surgery) in the past year, received blood transfusions, or plan to donate blood or receive transfusions in the next 2.5 year
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Iron absorption;Iron storage and loss;Iron metabolism-related hormones | — |
Secondary
| Measure | Time frame |
|---|---|
| Menstrual blood loss in adult women;food and nutrient intake;gut microbiome | — |
Countries
Korea, Republic of
Contacts
Public ContactClara Yongjoo Park
Chonnam National University
Outcome results
None listed