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How does insulin regulate blood glucose?

Dr. Jack Merendino, MD
Endocrinology Diabetes & Metabolism
Think of insulin as the doorman in a fancy apartment building: insulin opens the cell’s doors and lets glucose in. Without the doorman, glucose can’t get into the cells, and without glucose, the cells can’t function. Here’s the key point to remember: insulin is necessary for glucose to get inside most of your body’s cells. Without insulin, glucose accumulates in your blood but cannot be used to fuel cells.
The Best Life Guide to Managing Diabetes and Pre-Diabetes

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The Best Life Guide to Managing Diabetes and Pre-Diabetes

Bob Greene has helped millions of Americans become fit and healthy with his life-changing Best Life plan. Now, for the first time, Oprah's trusted expert on diet and fitness teams up with a leading...

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