Acute Sauna Session and Glucose Control
The Effects of an Acute Sauna Session on Glucose Control in Individuals at Risk for Metabolic Impairments
University of Prince Edward Island
15 participants
Dec 1, 2025
INTERVENTIONAL
Conditions
Summary
The goal of this clinical trial is to examine the effect of a single 40-minute sauna session on glucose control in individuals at risk for metabolic impairments. Research Questions: * Can a single sauna session completed before a meal reduce the post-meal blood glucose response? * Can a single sauna session improve 24-hour glucose control? Study Design: Participants will complete two lab visits: one involving a sauna session and one placebo visit (resting condition). Researchers will compare the effects on glucose control using a continuous glucose monitor (CGM). What Participants Will Do: Attend a sauna familiarization session Have a CGM sensor placed on the upper arm Visit the lab twice (once for sauna, once for placebo) Consume three standardized meals at home after each session
Eligibility
Inclusion Criteria5
- Are 30-55 years old
- Have a body mass index of ≥ 27 kg/m2
- Have a waist size >102 cm (men) or >88 cm (women)
- Have access to transportation for the 2 experimental visits (e.g., car, public transit, or drop-off).
- Are cleared for participation based on the Physical Activity Readiness Questionnaire (PAR-Q+).
Exclusion Criteria5
- Take medications that affect blood sugar
- Exercise intensely 2+ times/week
- Have diabetes, heart issues, low blood sugar or pressure
- Are pregnant
- Regularly use saunas or other heat therapy 1+ times/week
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Interventions
Infrared sauna session (approximately 165°F; two 20-minute sessions separated by a 5-minute rest outside the sauna)
Seated resting session (45 minutes outside the sauna)
Locations(1)
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NCT07520929