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https://www.joshbutton.com/blog-resources/light-is-priority-1-nathan-siles-part-2-on-testosterone-reset-buteyko-mastic-gum-amp-biospectral-ep114
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Nathan returns to the Josh Button podcast for a second conversation, this time covering natural strategies for resetting testosterone, the Buteyko breathing method, the benefits of mastic gum, and how BioSpectral's light-based approach fits into a broader framework for hormonal and metabolic health.

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The information on this site is provided by BioSpectral Systems for educational and informational purposes only. It is not intended to diagnose, treat, cure, or prevent any disease and has not been evaluated by the U.S. Food and Drug Administration or any other regulatory authority. Always consult a qualified healthcare professional before making any changes to your health regimen. By using this site, you acknowledge that you do so at your own discretion and agree that BioSpectral Systems, its affiliates, and contributors are not liable for any outcome resulting from the use of the information presented.

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