Zinc

MeasuredFiller

A mineral needed for immunity and wound healing.

Blood levels reflect recent intake poorly, so the result is hard to act on.

How we rate it: Filler

Rarely changes anything for someone with no symptoms.

This rating and the description above were written against published screening guidelines by someone who is not a clinician, and are awaiting review by one. We would rather say that than imply an authority we do not have.

Check-ups that include it

In 10 of the 93 check-ups we track, 11%. Cheapest first.

Information here is for comparing packages, not for diagnosing yourself. Talk to a doctor about which tests you actually need.