Functional vs Conventional Lab Ranges: Why Yours Differ
Why functional medicine blood test ranges differ from conventional lab ranges. TSH, vitamin D, ferritin, fasting glucose — what 'normal' really means and why it matters.
Diagnostics
Strong EvidenceBlood Panels
Comprehensive blood work beyond standard panels — what to order and how to interpret results.
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Labs Your Doctor Won't Order (But Should)
Essential functional medicine labs most doctors skip. hs-CRP, fasting insulin, homocysteine, full thyroid, ApoB, and more — what to request and why it matters.
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Optimal vs Normal Lab Ranges: Why Your Doctor Says You're Fine
Why standard lab reference ranges miss early disease. Optimal ranges for TSH, ferritin, vitamin D, B12, fasting insulin, hsCRP, and why functional medicine testing matters.
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Blood Panels Decoded: Beyond the Standard CBC
What your standard blood work measures, what it misses, and which additional markers provide the most clinical value. By Dr. Julian Douwes.
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The Longevity Blood Panel
What blood markers to test for longevity optimization, why standard panels are insufficient, and how to interpret results in context.
