What it is
An essential trace mineral available in various salt forms as oral supplements.
How it works
Acts as a structural and catalytic cofactor for hundreds of enzymes and transcription factors, including those involved in immune function, DNA synthesis, and hormone metabolism.
Where it's used
Used as a dietary supplement for zinc intake, immune support, and to address documented deficiency.
FDA-approved use
Regulated as a dietary supplement.
Tracking it
Zinc is oral, which makes consistency the whole game — a simple daily check-off with a reminder beats memory every time.
Source
Public reference
Not medical advice. This page is an educational summary compiled from public
sources for people who log what they take. It is not a recommendation to use
Zinc, a dosing guide, or a substitute for a clinician.
How we source →
Last reviewed 2026-06-11