DHHS. NIH. National Eye Institute.
Zinc
University of California Berkeley Wellness.
DHHS. NIH. Office of Dietary Supplements.
OSU. LPI. Micronutrient Information Center.
Merck Manual of Diagnosis and Therapy.
DHHS. NIH. National Library of Medicine.
Read about the function, sources, and intake recommendations for zinc.
UMMC. Center for Integrative Medicine.