High-Dose Vitamin D Effects in Experienced Athletes
Part of Hormones & metabolism clinical trials.
This study tests whether high-dose vitamin D supplements improve athletic performance, brain function, and body composition in experienced athletes. Researchers will measure hormones, muscle strength, thinking ability, and muscle mass over time.
Summary written for real people, not researchers, by Clin2.
Who can take part
- You have trained consistently in your sport for at least 8 years
- You train at least 5 times per week and have done so for the last 6 months
- You have not had any significant injuries in the past 6 months
- You have not taken vitamin D supplements in the past month
- You do not currently take multivitamin supplements
- You do not have any intestinal or digestive disorders (like Crohn's disease or celiac disease)
Quick eligibility check
Answer a few plain-language questions, based on this study's own requirements, to get a preliminary sense of fit.
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