Role of Insulin in human body : FFD Insulin is a hormone made by the pancreas, specifically by the beta cells in a part called the islets of Langerhans. When you eat, your body breaks down carbohydrates into glucose. As glucose enters your bloodstream, the pancreas releases insulin to help move that glucose into your cells for energy. This is how insulin helps reduce high blood sugar... https://www.freedomfromdiabetes.org/blog/post/role-of-insulin-in-the-human-body-ffd/2787