Vitamin D vs Sunlight Exposure and Aging | HealthSpan Quest

Vitamin D vs Sunlight Exposure and Aging | HealthSpan Quest

Coach Roger
Published on: 07/09/2026

Vitamin D and sunlight exposure are not interchangeable. Coach Roger's evidence-based protocol for using both together to lower your biological age safely.

vitamin Dsunlight exposurebiological agehealthspannitric oxidevitamin D3 K2circadian rhythmsun protectionlongevityblood pressureexecutive healthprofessionals over 40
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Hidden Toxins and Biological Age After 40 | HealthSpan Quest

Hidden Toxins and Biological Age After 40 | HealthSpan Quest

Coach Roger
Published on: 31/08/2026

Hidden toxins and biological age are connected. Coach Roger's no-nonsense protocol for reducing your environmental toxic load and supporting real detox.

hidden toxinsbiological ageendocrine disruptorsphthalatesBPAheavy metalsdetoxificationliver supportindoor air qualitywater filtrationhealthspanprofessionals over 40
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Cold Plunge, Sauna and Fasting After 40 | HealthSpan Quest

Cold Plunge, Sauna and Fasting After 40 | HealthSpan Quest

Coach Roger
Published on: 24/08/2026

Cold exposure, sauna, and fasting. Coach Roger's no nonsense stack for using controlled stress to reverse biological age and rebuild a younger body after 40.

cold exposuresaunacontrast therapyhormesisintermittent fastingheat shock proteinsautophagybrown fatHRVbiological agehealthspanprofessionals over 40
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Box Breathing and CO2 Tolerance After 40 | HealthSpan Quest

Box Breathing and CO2 Tolerance After 40 | HealthSpan Quest

Coach Roger
Published on: 03/08/2026

Box breathing and CO2 tolerance, Coach Roger's beginner protocol for resetting your nervous system on demand and slowing biological aging after 40.

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