130
Participants
Start Date
November 30, 2014
Primary Completion Date
May 31, 2015
Study Completion Date
May 31, 2015
retinoic acid
During the trial period, the participants are instructed to consume retinoic acid capsules twice daily (30 min after breakfast and supper).The retinoic acid capsules provided a total daily intake of 10 mg of retinoic acid.
placebo
During the trial period, the participants are instructed to consume placebo capsules twice daily (30 min after breakfast and supper).The placebo capsules are composed of starch and pigment.
Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Nutrition, School of Public Health, Sun Yat-Sen University (Northern Campus), Guangzhou
Sun Yat-sen University
OTHER