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The XWERKS blog
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Explore the full collection of articles, research summaries, and practical guides.
Blue Light Blocking Glasses: Honest Research Review
Blue light glasses have moderate research support for amber-tinted sleep applications, weak support for daytime eye strain claims. The two get conflated in marketing...
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Grounding/Earthing Benefits: Honest Research Review
Grounding research base is limited and methodologically weak; dramatic biohacker claims far exceed evidence. Outdoor barefoot time is probably modestly beneficial through multiple mechanisms;...
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Red Light Therapy Benefits: Honest Research Review
Red light therapy has real research support for skin conditions, hair regrowth, certain pain, and modest recovery. The dramatic testosterone, muscle, and longevity claims...
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Contrast Therapy: Hot-Cold Alternation Honest Review
Contrast therapy alternates hot and cold exposure for combined benefits of both practices. Moderate research support for recovery and circulation; the dramatic biohacker claims...
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Ice Bath vs Sauna: The Honest Comparison
Ice bath and sauna are complementary practices serving different purposes. Sauna has stronger long-term cardiovascular evidence; cold immersion has stronger acute mood and recovery...
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Cold Plunge Benefits: Honest Research Review
Cold plunge has real benefits for mood, alertness, and inflammation, but the dramatic recovery and metabolism claims often exceed the research. Honest review of...
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Best Tasting Vanilla Protein Powder: The Hardest Flavor to Get Right
Vanilla is the hardest protein flavor to make taste good — there's nothing to mask base whey quality, sweetener aftertaste, or weak flavoring. What...
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Best Tasting Chocolate Protein Powder: What Actually Holds Up Daily
What separates a great chocolate protein from a mediocre one: real cocoa bean (not artificial flavor), clean whey isolate base, balanced sweetness, and good...
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Pre-Match Nutrition Tennis: The Timing-Based Framework
Pre-match nutrition for tennis depends on timing windows. Best foods 3-4 hours before, 1-2 hours before, 30-60 min before, and immediately before match start.
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Recovery Supplements for Tennis: Tournament-Week Framework
Tennis recovery faces tournament-density demands that stack matches across days. Immediate post-match nutrition, sleep, anti-inflammatory support, age-specific framework.
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Supplements for Tennis Players: The Complete Framework
Tennis combines intermittent intensity, heat exposure, and tournament density. Match-day fueling, off-court training stack, recovery, juniors and older players.
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Best Hyrox Prep Workouts: Training for the Race's Hybrid Demands
The four workout types every Hyrox athlete needs to train for the race's hybrid demands: compromised running, station simulators, mini-Hyrox blocks, and full race...
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