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
Emerging EvidenceFunctional Medicine Labs
Organic acids, methylation panels, oxidative stress markers, and specialty diagnostics.
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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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Organic Acids Test (OAT): What It Reveals
Complete guide to the Organic Acids Test. What the 70+ markers mean, what OAT reveals about mitochondrial function, neurotransmitters, and gut health, and when to order it.
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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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Functional Medicine Labs: OAT, DUTCH, GI-MAP
A clinical guide to organic acids testing, DUTCH hormone testing, and GI-MAP stool analysis -- what they measure and when to use them.
