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https://www.healthline.com/nutrition/zinc#benefits
https://www.hsph.harvard.edu/nutritionsource/zinc/
https://www.hsph.harvard.edu/nutritionsource/potassium/
https://www.healthline.com/nutrition/zinc#benefits
https://www.hsph.harvard.edu/nutritionsource/zinc/
https://www.hsph.harvard.edu/nutritionsource/potassium/