February 24, 2025
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Modified gender-neutral language throughout fact sheet.
September 28, 2022
Added people with alcohol use disorder to the list of groups at risk of zinc inadequacy.
August 2, 2022
This fact sheet was comprehensively reviewed and extensively revised.
December 7, 2021
Revised the common cold section with updated clinical trial, systemic review, and meta-analysis results.
March 26, 2021
Updated the Daily Value text, linked to the new edition of the Dietary Guidelines for Americans, and updated the associated text.
July 15, 2020
Clarified that researchers recommend an Age-Related Eye Disease Study (AREDS) formulation that provides 80 mg zinc; however, preliminary results from the follow-up AREDS2 study reported that a formulation providing 25 mg zinc provided the same protective effect against developing advanced age-related macular degeneration.
March 6, 2020
Updated Sources of Zinc to reflect the new Daily Value and the new Nutrition Facts and Supplement Facts Labels.
July 10, 2019
Updated the link to USDA’s FoodData Central.
March 13, 2019
Added pumpkin seeds to Table 2 as an additional food source of zinc.
September 26, 2018
Revised the footnote in Table 2 to acknowledge the updated Nutrition and Supplement Facts labels and how the zinc Daily Value will change on these labels.
March 2, 2018
Updated Dietary Reference Intake definitions.
