FYXLIFE Knowledge Center
Insights on longevity, nutrition, fitness, sleep, and living well — backed by your data.
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DUTCH Test for Hormones: What It Measures & Finds
Blood tests said normal but you still feel off? The DUTCH test measures hormone metabolites — what happens after your…
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Epigenetic Clocks: What To Test & How To Interpret
Your body may be older — or younger — than your birth year. Here’s which epigenetic clock test to get,…
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Meal Timing & Circadian Rhythm: Is It Worth It?
Still eating dinner at 9pm? Here is what the evidence actually says about meal timing, chrononutrition, and whether shifting your…
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Chronic Inflammation Markers: 5 Myths Debunked
Your CRP looks normal — but are you actually inflammation-free? We dismantle 5 dangerous myths about chronic inflammation markers with…
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Cortisol & Chronic Stress: What It Does To Your Body
Tired despite doing everything right? Cortisol — your body’s alarm hormone — may be stuck on. Here’s what it is,…
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HIIT Protocol for Longevity Athletes: The Right Way
Still treating HIIT and interval training as the same thing? This evidence-based protocol shows performance athletes exactly how to structure…
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Dopamine, Habits & Ageing Brain: What Research Shows
Your motivation isn’t failing — your dopamine system is shifting. New research reveals what’s driving age-related focus decline and what…
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Epigenetic Clocks: The Aging Cascade Explained
Your biological clock doesn’t just tick — it triggers a cascade. Learn how epigenetic drift drives metabolic, immune, and brain…
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Nutrition & Mental Health: Biomarker Test Guide
Still foggy despite eating well? These 6 biomarkers reveal where your diet is failing your brain. When to test, how…