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The Xwerks Blog

Science, Training &
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Research-backed insights on performance nutrition, training strategy, and the science behind what actually works.

Nicotine And Testosterone
Testosterone
May 01, 2026 · 13 min
Nicotine And Testosterone
TL;DR The research on nicotine and testosterone is more complex than either "nicotine boosts T" or "nicotine destroys T" framings...
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Do Receipts Lower Testosterone
Testosterone
May 01, 2026 · 11 min
Do Receipts Lower Testosterone
TL;DR Thermal receipt paper contains BPA or BPS — endocrine-disrupting compounds with documented effects on hormone function. Skin absorption from...
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Signs Of High Testosterone In A Man
Testosterone
May 01, 2026 · 11 min
Signs Of High Testosterone In A Man
TL;DR Real signs of healthy-to-high testosterone: strong libido, regular morning erections, good energy, easy muscle building, stable mood, deep sleep,...
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How To Increase Testosterone
Testosterone
May 01, 2026 · 11 min
How To Increase Testosterone
TL;DR The single biggest controllable factor for testosterone is sleep — research shows sleep under 6 hours nightly causes 10-15%...
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Does Ashwagandha Increase Testosterone?
Testosterone
Apr 08, 2026 · 5 min
Does Ashwagandha Increase Testosterone?
Does Ashwagandha Increase Testosterone? Yes — but indirectly. Ashwagandha has strong clinical evidence for reducing cortisol, which removes one of...
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What Causes Low Testosterone in Young Males?
Testosterone
Apr 05, 2026 · 7 min
What Causes Low Testosterone in Young Males?
What Causes Low Testosterone in Young Males? Low testosterone in men under 30 is more common than most people realize...
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Frequently Asked Questions About Tongkat Ali
Testosterone
Jan 30, 2026 · 10 min
Frequently Asked Questions About Tongkat Ali
Frequently Asked Questions About Tongkat Ali Tongkat Ali (Eurycoma longifolia) is the most researched natural testosterone-support ingredient available. A 2022...
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The Untapped Power of Testosterone in Men's Health
Testosterone
Mar 27, 2024 · 11 min
The Untapped Power of Testosterone in Men's Health
TL;DR Testosterone isn't just about muscle — it regulates energy, cognition, mood, cardiovascular health, bone density, metabolic function, and recovery....
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Microplastics And Testosterone
Testosterone
Jan 12, 2024 · 10 min
Microplastics And Testosterone
TL;DR Microplastics — tiny plastic fragments under 5mm — are now detected in human testes, blood, lungs, brain, placenta, and...
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Which Countries Have The Highest Testosterone Levels
Testosterone
Oct 18, 2023 · 7 min
Which Countries Have The Highest Testosterone Levels
Which Countries Have the Highest Testosterone Levels? Available data suggest that men in Mongolia, Ethiopia, Nigeria, and Pakistan have some...
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Testosterone Killing Foods: What to Avoid
Testosterone
Aug 31, 2023 · 9 min
Testosterone Killing Foods: What to Avoid
Testosterone-Killing Foods: What the Research Actually Shows The internet is full of lists claiming certain foods "kill" testosterone. The reality...
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Testosterone Replacement Therapy: Potential Side Effects
Testosterone
Jul 23, 2023 · 6 min
Testosterone Replacement Therapy: Potential Side Effects
Testosterone Replacement Therapy: Side Effects You Should Know TRT (testosterone replacement therapy) is a legitimate medical treatment for clinically diagnosed...
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