Nutrients. In particular, it showed that Type 2 diabetes patients who took 250 milligrams (mg) of magnesium every day for three months experienced significant improvements in their insulin levels, as well as in other markers for assessing glycemic control. Overall, the study’s findings support magnesium supplementation as a promising strategy for preventing and managing Type 2 diabetes. Magnesium supplementation improves insulin resistance Magnesium participates directly in glucose metabolism disorders like Type 2 diabetes. To examine the effects of magnesium supplementation on insulin resistance and glycemic control among diabetics, researchers from Al-Azhar University-Gaza in Palestine studied 42 patients aged 35–60 years who were newly diagnosed with Type 2 diabetes.