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.

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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.

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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.

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