When taken by mouth: Zinc is likely safe when used in amounts no greater than 40 mg daily. It is possibly safe when taken in larger doses, especially when used only for a short period of time.

Zinc carnosine induced dose-dependent increases in cell migration and cell proliferation in in vitro assays (maximal responses were seen at concentrations of 100 ... (37.5 mg twice daily ...

Methods: Subjects took a daily zinc supplement of 25 mg for 14 days in a double blind, placebo controlled ... and SLC39A4 mRNA and protein were reduced in Caco-2 cells cultured at 200 μM compared with ...