Status:
RECRUITING
Acute Vitamin D Supplementation on Testosterone in Females
Lead Sponsor:
University of Southern California
Conditions:
Female Hormone Profile
Eligibility:
FEMALE
18-35 years
Phase:
NA
Brief Summary
Participation will take place over two visits to the Clinical Exercise Research Center (CERC) at the University of Southern California Health Sciences Campus. On the first visit, height, weight, and ...
Detailed Description
High-dose Vitamin D supplementation significantly increases testosterone in men, but research about Vitamin D's effect on testosterone in young, healthy females is limited \[1\]. However, testosterone...
Eligibility Criteria
Inclusion
- Assigned female at birth
- 18 to 35 years of age
- No chronic diseases affecting the uptake of Vitamin D or causing Vitamin D sensitivity (e.g., sarcoidosis, tuberculosis, Wegener's granulomatosis, other forms of vasculitis, inflammatory bowel diseases, etc.) \[21\]
- Completion and signature of the informed consent document
- Non-pregnant or trying to become pregnant
- No supplementation with Vitamin D within three months of enrollment
- No documented gynecological disease (e.g., PCOS, endometriosis, etc.)
- Weight greater than or equal to 110 lbs
Exclusion
- Pregnant
- Supplementation with Vitamin D within three months of enrollment
- Taking exogenous hormones
- Documented gynecological disease (e.g., PCOS, endometriosis, etc.)
- Suffering from chronic diseases affecting the uptake of Vitamin D or causing Vitamin D sensitivity (e.g., sarcoidosis, tuberculosis, Wegener's granulomatosis, other forms of vasculitis, inflammatory bowel diseases, etc.) \[21\]
- Weight less than 110 lbs
Key Trial Info
Start Date :
July 1 2025
Trial Type :
INTERVENTIONAL
Allocation :
ESTIMATED
End Date :
January 30 2026
Estimated Enrollment :
20 Patients enrolled
Trial Details
Trial ID
NCT06610968
Start Date
July 1 2025
End Date
January 30 2026
Last Update
August 14 2025
Active Locations (1)
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1
University of Southern California Health Sciences Campus Center for Health Professions
Los Angeles, California, United States, 90033