blood-glucose control or prevent complications.
Very high doses such as 10,000 IU daily should not be taken routinely unless specifically recommended and monitored by a healthcare professional. Excess vitamin D can cause harmful calcium levels and other complications.
Zinc
Zinc contributes to normal immune function, wound healing, and many metabolic processes. Food sources include oysters, pumpkin seeds, legumes, and meat.
Zinc supplementation is useful when a deficiency is present, but taking excessive amounts can interfere with copper absorption and cause other adverse effects.
Nerve health is particularly important in
