Eli5: Why do carbohydrates not hurt diabetics in the same way pure sugar does?

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I tried looking into it but couldn’t quite understand. Carbohydrates are complex molecules that ultimately break down at the lowest level into glucose and similar monosaccharides; so, why does eating bread not do the same thing to a diabetic person that eating sugar does?

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Anonymous 0 Comments

Complex carbs are generally starches, which are big chains of glucose molecules. The body is very good at breaking starch down quickly, which means functionally it’s similar to just eating a whole bunch of glucose.

“Sugar” generally means “sucrose”, and that means both glucose and fructose. To overgeneralize, fructose is more problematic because it is metabolized in the liver and is associated with fatty liver disease.

That means that fructose is worse for diabetics but it’s not like a lot of complex carbohydrates are any good for them anyway.

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