FYXLIFE Knowledge Center
Insights on longevity, nutrition, fitness, sleep, and living well — backed by your data.
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Homocysteine Test: What the Research Really Shows
Your heart panel came back normal — but was homocysteine tested? Here’s what the clinical evidence actually shows about this…
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Marathon Training Protocol: Evidence-Based Guide
Already running but not racing well? This evidence-based marathon protocol covers intensity structure, strength training, fuelling, and tapering for runners…
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Cortisol Cascade: What Ashwagandha Actually Does
Chronic stress breaks metabolism, immunity, and hormones in sequence. Here is the evidence on how ashwagandha interrupts that cascade —…
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Micronutrient Deficiency Protocol: Test, Fix, Maintain
Still tired despite eating well? This step-by-step protocol shows you how to test for micronutrient deficiencies, correct them with food…
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Cognitive Focus Tests: What to Test & When | SuperDoc
Brain fog isn’t a feeling to ignore — it’s a signal to measure. Here’s exactly which tests track attention decline,…
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![Sleep & Heart Health: What Actually Works [Tech Verdict]](https://blog.fyxlife.com/wp-content/uploads/2026/03/sleep-heart-health-what-actually-works-tech-verdict.png)
Sleep & Heart Health: What Actually Works [Tech Verdict]
Tired but doing everything right? We verdict sleep trackers, supplements, and exercise for real cardiovascular benefit — no hype, just…
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ApoB and Cardiovascular Risk: What It Is and Why It Matters
Your LDL looks normal — but ApoB may tell a different story. Learn what ApoB is, how it predicts heart…
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Food Allergy vs Sensitivity Testing: What Research Says
Your tests came back normal but you still feel off. Here’s what the clinical research actually says about food allergy…
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Epigenetic Clocks: 5 Myths the Science Doesn’t Support
Got a biological age score and drew a conclusion? You may be wrong. Here’s what epigenetic clocks actually measure —…