Zinc
settled zinc — established for cold duration at the right dose and timing
Evidence by outcome
cold preventiongrade Bmoderate certainty— zinc lozenges started early may modestly shorten cold duration
immune functiongrade Clow certainty— supplementation helps mainly when intake is deficient
cold preventiongrade Cmoderate certainty— zinc lozenges started early may shorten common-cold duration
moodgrade Clow certainty— may augment antidepressant response; deficiency-correction likely matters
skingrade Clow certainty— Acquired zinc deficiency is deeply involved in the development of skin diseases including acquired acrodermatitis enteropathica, necrolytic migratory erythema, alopecia, and delayed wound healing, and mutations or dysregulation in zinc transporters are associated with skin manifestations.
People say · Evidence shows
“Zinc cures colds”
aheadmodestfolk
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sources: PMID:00000023 · PMID:00000024 · PMID:20000111 · PMID:42197650 · PMID:29439479