Healthy subjects
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1.Japanese men and women aged 20 years or older at the time of registration (As a general rule, only workers). 2.Those who are aware that they tend to get sick during winter or when seasons change (Priority will be given to those who have had two or more upper respiratory tract infections within the past year.) 3.Those who do not have any disease receiving continuous treatment, medication, and lifestyle guidance. 4.Those who do not plan to take drugs (including over-the-counter drugs) for allergic diseases such as hay fever, bronchial asthma, or chronic bronchitis during the research period. 5.Those who can respond to electronic diaries and questionnaire surveys on a PC 6Those who can use Excel, Word, and online meeting tools 7.Those who are able to report daily on test food intake status and physical condition using an electronic diary. 8.Priority will be given to those who have not been vaccinated within the past month and have no plans to be vaccinated during the trial period. 9.Those who received sufficient explanation for the objective and summary of the trial, and voluntarily volunteered to the trial with the agreement of informed consent.
Exclusion criteria
Exclusion criteria: 1.Those who are receiving any types of medicines and/or Chinese medical treatment except a dose of medicine taken only once. 2.Those who had been experiencing a severe disease. 3.Those who have a drug/food allergy. (Those who may have an allergic reaction when ingesting the test food) 4.Those who have currently been taking commercially available drugs, quasi-drug products, and foods or supplements with functional claims. However, those who can discontinue taking these foods during the trial period after obtaining informed consent will be allowed to join the trial. 5.Those who drink more than 60 g alcohol/day. 6.Those who have excessive smoking habits (21 or more cigarettes/day). 7.Those who frequently have to redo of blood for medical examinations, and who have felt unwell due to blood collection in the past. 8.Those who work on the shiftwork. 9.Those who have plans of major change on their lifestyle (e.g. diet, sleep and exercise) during the study period. 10.Those who are planning to travel abroad during the study period. 11.Those who have joined other clinical trials in the past 1 month before receiving informed consent in this study, or are currently joining other clinical trials, or are planning to join other clinical trials. 12.Women who are pregnant or may become pregnant, or lactating. 13.Those who are unsuitable for this trial that judged by the principal investigator.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Questionnaire for physical condition | — |
Secondary
| Measure | Time frame |
|---|---|
| 1.NK cell activity 2.Levels of Cytokine in blood 3.Profile of Mood State(POMS) 4.Occupational stress 5.Levels of IgA in blood 6.Food Frequency Questionnaire 7.Physical activity questionnaire 8.Safety evaluation (General biochemical test) | — |
Countries
Japan
Contacts
National Agriculture and Food Research Organization Institute of Food Research, National Agriculture and Food Research Organization