The Brain Fog Lab Guide.
The 7 blood markers that explain why you can't think straight — and what optimal looks like.
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What you'll learn from the guide
The 7 markers your physical misses
Fasting insulin. A1c. hs-CRP. Homocysteine. B12. Ferritin. Full thyroid panel. The blood work that actually explains brain fog — almost none of which gets run at a standard physical.
What optimal actually looks like
Conventional “normal” ranges are set so wide you can be in metabolic decline for a decade and still get a clean lab report. The guide shows you the functional medicine ranges that catch problems years earlier.
Two ways to get tested
Get them run at Range, where your provider picks the labs inside the Initial Medical Encounter, or order them yourself through a direct-to-consumer lab service. The guide explains the tradeoffs of each.
If any of this sounds like your daily life…
- 01Reading the same email three times
- 02Walking into a room and forgetting why
- 03Losing words mid-sentence
- 04The 2–3pm energy crash
- 05Feeling foggy even after a full night's sleep
- 06A “normal” lab report that doesn't match how you feel
Stop guessing. Start measuring.
Start with the Complimentary 20-Minute Range Evaluation Call, with a Range team member. If it is a fit, the Initial Medical Encounter ($250) is where your provider reviews your symptoms and history, picks your labs, and walks you through every result in a written plan.