Sinkki on elintärkeä hivenaine ja antioksidantti

This text explains the role of zinc in the body, including its effects on enzymes, immunity, hormone regulation, insulin production, and wound healing. It describes signs of zinc deficiency, groups that may have lower intake such as older adults, and common dietary sources of zinc. It also mentions that a good zinc supplement may shorten the duration of a cold when started at the onset of symptoms.