Why your "normal" labs aren’t actually normal
A doctor told you everything looked fine. You don’t feel fine. Here’s the gap between “normal” and “optimal” — and why it matters more than most physicians explain.
The narrow band of "optimal" sits inside the wider band of "normal" — most patients land in the gap between what labs call fine and where you actually feel well.
Reference ranges are calculated from population averages — including everyone who walks into a lab, sick and well alike. Optimal ranges are something different. Here’s how that gap shows up across vitamin D, B12, ferritin, thyroid, and insulin.
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