Zinc helps maintain immune defenses, support wound repair, and preserve skin and gut integrity. Low intake may show up as frequent infections, slow healing, skin changes, diarrhea, or altered taste, and targeted supplementation may modestly shorten some colds when started early.
Essential Concepts
Immune function, repair, skin, diarrhea, colds
Deficiency signs: infections, slow healing, rash, diarrhea
Use only as needed; too much zinc can lower copper