Can Zink help with Blutzucker?

Zinc is an essential trace mineral that plays a key role in insulin synthesis, storage, and secretion, as well as in improving insulin sensitivity. Some human studies suggest that zinc supplementation may modestly lower fasting blood glucose and HbA1c in individuals with type 2 diabetes or prediabetes. However, the evidence is moderate and not consistent enough for a general recommendation. The effect depends on baseline zinc status; supplementation in zinc-replete individuals shows little benefit. High doses (>40 mg/day) can cause nausea, copper deficiency, and immune dysfunction. Consumer DNA tests claiming to predict zinc needs or deficiency are not clinically validated. For blood sugar management, lifestyle changes and medical guidance remain the foundation. Zinc supplements should only be considered after testing for deficiency and under professional supervision.