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Do sugar substitutes spike our insulin secretion?

Not all sweeteners are created equal. There are multiple types of sweeteners, all of them chemically distinct from each other. It turns out that some of these sugar substitutes are even more harmful than sugars in many aspects.

Despite not being sugar, some artificial sweeteners induce the same reaction from our body as sugar does spike our blood sugar level; namely some “sugar impostors” (sweeteners) have an adverse effect on our insulin secretion.

Studies found that aspartame (a.k.a. Equal and Nutrasweet) has no effect on the insulin response in humans, whether alone or combined with carbohydrates.

Studies found that saccharin (a.k.a. Sweet’N Low) does not influence insulin secretion.

On the other hand, some studies suggest that sucralose (aka Splenda) induces the secretion of insulin. The moment we ingest sucralose, the sweet receptors in our taste buds are activated, sensing incorrectly that sugar has entered our body (blood stream). This incorrect signal stimulates the release of incretin hormones, which increase the secretion of insulin via the sweet taste receptors in the gut. So, stay away from Splenda.

One thing is no brainer. Our body doesn’t recognize the foods (including artificial sweeteners) created in a lab instead of by nature. These foods open the door to short-term and long-lasting health problems for us and our family.

We recommend stevia as natural sugar substitute.

More reading on this topic is available on Dr. Mercola’s website.


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