Exploratory trial on intestinal environment improvement effect by ingestion of soybeans and yogurt

INTERVENTION: Soybeans 50 g/day for 2 weeks Yogurt 150 g/day for 2 weeks Soybeans 50 g/day and Yogurt 150 g/day for 2 weeks CONDITION: Healthy Adults PRIMARY OUTCOME: Intestinal environment after 2 weeks of intervention SECONDARY OUTCOME: Defecation status, questionnaire after 2 weeks of intervention INCLUSION CRITERIA: 1. Persons who received a sufficient explanation of the purpose and contents of the exam, have the capacity to consent, applied with free will with sufficient understanding, and agreed to participate with a written document 2. Healthy Japanese who is 20 years old or more and under 70 years old