The market for your blood, in data.
We track every live price for every panel across 25+ direct-to-consumer retailers. These posts translate that data into decisions.
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- May 10, 20268 min readBile acid diarrhea
The IBS-D diagnosis your colonoscopy missed
Roughly 30% of IBS-D patients actually have bile acid diarrhea — a treatable transport disorder that doesn't show up on colonoscopy, calprotectin, or CRP. The four-tier bile acid testing pathway, where each marker is purchaseable DTC, and how the rare 7αC4 (Cholestenone) test finally became consumer-accessible.
read → - Apr 24, 20266 min readDTC health panels
What you actually get for $199 vs $499
Function, Superpower, Blueprint, Marek, Thorne — every comprehensive DTC health subscription ranked by biomarker count, price, and true cost per marker.
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