None
Conditions
Interventions
Consumption of test foods (4 weeks each in summer and winter)
Consumption of test foods (4 weeks each in summer and winter)
Consumption of test foods (4 weeks each in summer and winter)
Consumption
Sponsors
Fuji Oil Co., Ltd.
Osaka Metropolitan University JEOL Ltd.
Eligibility
Sex/Gender
Female
Inclusion criteria
Inclusion criteria: 1) Directly employed by Fuji Oil Co., Ltd. and able to visit the health management office on the day of blood sampling 2) Written consent for participation in the study has been obtained from the participant 3) Able to communicate in Japanese
Exclusion criteria
Exclusion criteria: 1)Individuals currently taking DHA or EPA 2)Individuals currently taking vitamin D 3)Individuals who regularly consume vitamin D-fortified foods (e.g., egg yolks) 4)Individuals using medications containing vitamin D due to skin conditions 5)Individuals currently receiving medication for osteoporosis prescribed by a physician 6)Individuals who have experienced abnormal symptoms such as feeling unwell or a drop in blood pressure during or after blood collection. 7)Other individuals deemed ineligible for this study by an occupational physician.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Vitamin D metabolites Bone metabolic markers | — |
Secondary
| Measure | Time frame |
|---|---|
| Bone density Blood characteristics Subjective health perception | — |
Countries
Japan
Contacts
Public ContactTakashi Ichinose
Fuji Oil Co., Ltd. Research Institute for Creating the Future
Outcome results
None listed