Infrared saunas are having a moment—and not just because they feel amazing after a long day. People keep asking the same thing: can an infrared sauna help you burn calories? Short answer: yes, but not like a magic pill. Think of it as a smart assist that nudges your metabolism, stacks well with training, and supports recovery so you can show up stronger tomorrow.
How Infrared Heat Works (in simple terms)
- Increases heart rate and cardiac output (similar to easy cardio)
- Elevates core temperature → body spends energy to cool down
- Improves circulation and sweat rate → supports recovery
Result? A modest uptick in energy expenditure (calories burned) during and shortly after a session.
How Many Calories Are We Talking?
Exact numbers vary with body size, session length, temperature, hydration, and acclimation. A typical 20–30 minute infrared sauna session can feel like a brisk walk in metabolic terms. The real win is the stack: better recovery, lower perceived soreness, and consistent routines that keep you training.
Pro tip: Track your sessions like workouts. Note duration, temp, and how you feel the next day. Consistency beats intensity here.
Why It Pairs So Well with Training
- Active recovery: Great on off-days to keep blood moving.
- Heat adaptation: Improves plasma volume and tolerance.
- Habit anchor: Post-workout sauna = built-in ritual.
A Simple, Safe Calorie-Burn Protocol
- Frequency: 3–4 sessions/week
- Duration: 20–30 minutes
- Temperature: Start lower and progress
- Hydration: Add electrolytes and hydrogen water before/after
- Stack: Breathwork in-sauna; cool shower after
FAQs: Straight Answers, No Fluff
Can I replace my workout with an infrared sauna to lose weight?
No. Use it as an adjunct. The infrared sauna is your ally, not your engine.
Will I just lose water weight?
You’ll sweat, but you also expend energy to thermoregulate. Rehydrate well; don’t confuse sweat with fat loss.
When is the best time to use it for calorie burn?
Post-workout or rest days. After training, it can aid recovery; on rest days, it keeps blood moving.
Is infrared safer than traditional sauna?
Both can be safe when used as directed. Infrared runs at lower air temps, which many find more comfortable. Always follow medical guidance if needed.
Smart Stacks That Amplify Results
- Infrared Sauna + Walking: Extend the metabolic after-effect.
- Infrared Sauna + Hydration: Replace electrolytes.
- Infrared Sauna + Sleep Hygiene: Better recovery = more weekly burn.
Conclusion
An infrared sauna won’t out-lift your fork. But it does raise heart rate, nudge calorie burn, and improve recovery and adherence. That combo moves the needle over weeks, not days.