“…11 In the human body, zinc is the second most abundant metal ion essential for several biochemical processes, such as enzyme regulation, gene expression, neurotransmission, and apoptosis. 12–14 Zinc at average concentration controls various biological, environmental, and metabolic processes. At the same time, a deficiency of zinc leads to some clinical diseases, such as brain dysfunction, high blood cholesterol, growth retardation, ischemic stroke, Parkinson's disease, Alzheimer's disease, etc.…”