These enzymes are responsible for such diverse functions as wound repair, fertility, protein synthesis, cellular reproduction, vision, immunity , and free radical protection. Zinc gluconate lozenges shorten the duration of cold symptoms. Taking zinc gluconate lozenges has been reported to halve the number of days cold symptoms are present. 1 Zinc inhibits copper absorption, which can cause anemia and lower HDL cholesterol levels. If zinc is going to be taken long-term, copper supplements should also be used.
Deficiencies are most common in low-income and teenage pregnant women.
Supplementation improves pregnancy outcomes for these groups. 3 Other common causes of zinc deficiency include alcoholism, sickle cell anemia, malabsorption conditions, and chronic kidney disease. 4 Chromium is used in great quantity during exercise, as is zinc. Low levels of these nutrients are often seen in the blood after strenuous exercise, and these low levels are often associated with blood sugar fluctuations, decreased energy levels, and slower muscle recovery times. 5 Zinc deficiency is also seen in many children with ADHD .