Winter workout may unlock vitamin d in overweight adults
NCT ID NCT07300332
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at whether a special type of high-intensity interval training can help overweight adults maintain healthy vitamin D levels during winter. Thirty participants will either exercise three times a week for 12 weeks or just follow a balanced diet. Researchers will measure changes in vitamin D and related markers in the blood.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- Active substance
- hybrid-type high-intensity interval training
- What this could lead to
- If it works, this could point toward a simple exercise strategy to improve vitamin D levels in people with overweight or obesity.
- What could go wrong
- This is a small, early-stage study with only 30 participants. Results may not apply to everyone, and the effect may be small or absent.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
-
Department of Physical Education and Sport Science, University of Thessaly
RECRUITINGTrikala, Karyes, 42100, Greece
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