Effect of Low Doses of Vitamin C on Salivary Cortisol , Heart Rate , Blood Pressure During Group Presentation

• Status: Completed
• Trial end date: 2019-04-20
• Target enrollment: 0
• Participant gender: All

Summary

Vitamin C (ascorbic acid) is a well-known antioxidant that is involved in anxiety, stress, depression, fatigue and mood state in humans . The purpose of this study is to investigate the effect of low doses of vitamin C on decreasing the level of public speaking stress in term of salivary cortisol , blood pressure (systolic and diastolic) and heart rate . A purposive sample of (90) were included in this randomized placeboled trial study (60 students were given 500 mg of vitamin c per day for one week a group presentation while 30 other students were given placebo for one week before a group presentation) . Salivary cortisol was measured by means of commercial immunoenzymatic kits . Blood pressure (systolic and diastolic) and heart rate were measured immediately before and after presentation .

• Phase: Phase 4
• Accepts Healthy Volunteers?: Accepts Healthy Volunteers

Details

• Lead Sponsor: Kufa University
• Treatments: Ascorbic Acid; Hydrocortisone; Hydrocortisone 17-butyrate 21-propionate; Hydrocortisone acetate; Hydrocortisone hemisuccinate; Vitamins

Criteria

Inclusion Criteria:

• students have a presentation

Exclusion Criteria:

• Exclusion criteria included : chronic diseases (DM , hypertension), hormonal disturbances, psychotic disorders, kidney stones and anemia . Students that have previous experience of public speaking were also excluded .