FYXLIFE Knowledge Center
Insights on longevity, nutrition, fitness, sleep, and living well — backed by your data.
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Thyroid and Mood: How Your Thyroid Controls How You Feel
Brain fog, low mood, and anxiety that won’t shift? Your thyroid may be the cause. Here’s how thyroid hormones directly…
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Healthspan vs Lifespan: What the Research Actually Shows
Living longer isn’t the goal — living well is. Here’s what the latest aging research says about the gap between…
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Gut Health Protocol: What to Do, Stop & Track
Still bloated despite the probiotics? This evidence-based gut health protocol fixes the sequence problem — remove, feed, seed, reinforce. Start…
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Food Allergy vs Sensitivity Testing: The Cascade
Your results are normal but you still feel off. Here’s why allergy and sensitivity tests measure different immune pathways —…
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Exercise for Healthy Aging: What the Evidence Supports
Already training hard? The evidence on exercise for healthy aging is more specific than ‘stay active.’ Here’s what the research…
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Sauna Therapy: What Biomarkers To Test & When
Feel like sauna is helping but can’t prove it? Here’s exactly what to test, when to test it, and how…
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NMN and NAD+ Supplements: Does the Science Hold Up?
Spent money on NMN? The human evidence is thinner than the marketing suggests. Here is what the research actually shows…
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Lp(a): The Inherited Heart Risk Most Tests Miss
Your cholesterol is normal — but have you tested Lp(a)? Discover why this inherited particle is the strongest genetic risk…
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What the Testosterone Trials Really Found About TRT
788 men. 7 trials. The largest TRT study ever run had surprising results. Here’s what the evidence actually shows about…