Diabetic: Insulin and its importance

Every time you consume food, the body converts the carbohydrates in the food into glucose. This glucose is essential for the creation of energy. But for this to happen the glucose needs to reach the cells in the body. Insulin is the key that opens the cells and lets the glucose in. When glucose levels in the blood rise, beta cells in the pancreas secrete insulin into the bloodstream, from where the glucose is transported into the cells and the level of glucose in the blood drops.

However when we overeat or eat high carbohydrate foods, there is a certain quantity of glucose left in the blood after the cells have been filled, this is then converted into fat by the insulin—this is actually a reserve of energy.

This is also why diabetics tend to be overweight. A clear understanding of insulin function is the first step toward controlling and/or reversing diabetes.

Insulin. Is it a hormone or an enzyme, and why does it matter?

Given that insulin is a chemical that activates a biological function, it is natural to wonder whether it is an enzyme or a hormone. Whereas both enzymes and hormones are chemicals and both are needed to activate biological functions, there is a critical difference between the two. Enzymes are basically catalysts, while hormones are like messengers who stimulate certain reactions in the body.

Thus, insulin is a hormone and not an enzyme. Its presence in the blood enables glucose to enter the body’s cells, where it is used to create energy.

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