Effects of mixed extracts of Drynaria fortunei rhizomes and Eleutherococus senticosus leaves on cognitive functions and stress in healthy adults

INTERVENTION: Tretament test drug: Intake of capsules containing two extracts of Drynaria fortunei rhizomes (20 mg/capsule) and Eleutherococus senticosus leavesas (200 mg/capsule), three capsules per day, for 12 weeks. Treatment placebo:Intake of capsules without two etracts, three capsules per day, for 12 weeks. CONDITION: Healthy adults PRIMARY OUTCOME: RBANS‐J for cognition, Public Health Research Foundation Stress Check List Short Form for anti‐stress, before and 12 weeks after the intake. SECONDARY OUTCOME: JART, MMSE‐J for cognition, before and 12 weeks after the intake. INCLUSION CRITERIA: