A 8 Weeks, Randomized, Double-blind, Placebo-controlled Human Trial to Evaluate the Efficacy and Safety of Blueberry Yeast Fermentation Freeze Dying Powder on Promotion of Immunity
A 8 Weeks, Randomized, Double-blind, Placebo-controlled Human Trial to Evaluate the Efficacy and Safety of Blueberry Yeast Fermentation Freeze Dying Powder on Promotion of Immunity
This study was conducted to investigated the effects of daily supplementation of Blueberry Yeast Fermentation Freeze Dying Powder on Promotion of Immunity.
This study was a 8-week, randomized, double-blind, placebo-controlled human trial. 100 subjects were randomly divided into Blueberry Yeast Fermentation Freeze Dying Powder extract 2.07 g or placebo group. The investigated measured Natural Killer cell activity, Cytokines, Upper respiratory infection questionnaire score, etc.
Inclusion Criteria:
Exclusion Criteria:
If screening shows that the white blood cell(WBC) is less than 3000/㎕ or more than 8000/㎕
Those who received influenza vaccination within 3 months before the screening
Those who have a body mass index(BMI) of less than 18.5 kg / m2 or greater than 35 kg / m2 at the screening
Those who have a clinically significant acute or chronic cardiovascular system, endocrine system, immune system, respiratory system, liver biliary system, kidney and urinary system, neuropsychiatry, musculoskeletal system, inflammatory and hematologic
Those who take a medication or health function food that affects your promotion of immunity within 1 month prior to the screening
Those who have received antipsychotic medication within 3 months before screening
Those who alcoholic or drug abuse suspected
Those who participated in other clinical trials within 3 months before screening
Laboratory test by show the following results
Pregnancy or breast feeding
Those who doesn't accept the implementation of appropriate contraception of a childbearing woman
Principal Investigator judged inappropriate for participation in study because of Laboratory test result, etc.