NCT02187328

Effects of Fruit Juices on Hormone Metabolism

Effect of Grapefruit Juice and Exercise on Cortisol Levels

• Status: Unknown
• Phase: N/A
• Study type: Interventional
• Enrollment: 12 (estimated)
• Sponsor: Benedictine University · Academic / Other
• Sex: All
• Age: 18 Years – 60 Years
• Healthy volunteers: Accepted

Summary

The purpose of this study is to determine whether grapefruit juice alters the metabolism of cortisol following intense exercise.

Conditions

• Cortisol

Interventions

Type	Name	Description
OTHER	Grapefruit juice	Volunteers participate in two visits at least 5 days apart. The day of their visit they ingest 12.5 oz of grapefruit juice in the morning and 12.5 oz of grapefruit juice ingested in the afternoon, 3h before reporting to the laboratory. The order of the visits is randomized, one visit volunteers ingest apple juice only, the other visit grapefruit juice only
OTHER	Apple juice	Volunteers participate in two visits at least 5 days apart. The day of their visit they ingest 12.5 oz of grapefruit juice or Apple juice ingested in the morning and 12.5 oz of grapefruit juice ingested in the afternoon, 3h before reporting to the laboratory. The order of the visits is randomized, one visit volunteers ingest apple juice only, the other visit grapefruit juice only

Timeline

• Start date: 2014-06-01
• Primary completion: 2015-12-01
• Completion: 2015-12-01
• First posted: 2014-07-11
• Last updated: 2014-07-11

Locations

1 site across 1 country: United States