Sugar vs. Artificial Sweeteners: Which Is Right for You?

Experts remain split on the benefits and drawbacks of sugar and zero-calorie artificial substitutes
3:55 | 08/12/15

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Transcript for Sugar vs. Artificial Sweeteners: Which Is Right for You?
Now to our special series, diet wars, and this morning, we're taking a look at artificial sweeteners versus sugar. By 2017, it's predicted the sell of both will hit billion dollars worldwide. Mara schiavocampo is back to help us find out. Reporter: This week, one of the world's biggest soda companies making a big announcement. After years of customer complaints the new version of diet Pepsi is now aspartame-free. Pepsi replacing the controversial ingredient with usc ralose. The company telling ABC news, diet cola consumers in the U.S. Have asked us for an aspartame-free diet Pepsi and we're delivering. One of the many products using artificial sweeteners. When it comes to artificial sweeteners, there br tons of options. Many turned to these sugar substitutes to try to help keep their weight in check. Like 44-year-old, she goes for the fake stuff about five times a week. A habit for the best 30 years. A personal choice of not drinking my calories but rather wanting to eat them instead of putting them in my drink. Reporter: But are they really the secret to slim? While some experts say yes, others say no. When you consumer artificial sweeteners, they trick your body to think sugar is on the way. That gears your body up to store the food. It leads to fat storage. It slows your metabolism and it increases fat storage. Sort of a triple whammy. Reporter: Not so sweet news for these substitutes. For "Good morning America," Mara schiavocampo, ABC news, new York. Jen is back. We heard about artificial sweeteners. Let me go through the similarities. There are over 20 different sweeteners. We selected four here. There are sweet receptors all over the body. In the mouth, also in the brain and the gut. If you choose honey, it locks into that rekept or the. They do the same thing. Artificial sweeteners locks into that receptor does the same thing. They all work the same medically inside the body. There are so many options. These are the similarities. Let's go over a couple of differences. We made a little competition here for you. When you compare the profiles there are some differences. For gut health, if you compare these four different type of sweeteners, honey performs the best. But they all have different profiles. If you go to something like lie seemic control, you'll find monk fruit, gives you less of those sugar spikes. If you're only looking for calories, you're only concerned with the caloric intake, sweeteners are okay, they are low Cal. The dentists hate the sugar because they're bad for our teeth. How about sugar in the raw? It does the same thing. World health organization, read those labels. 37 grams a day for men. Look at the labels. Mostly that's added sugar. Overall sugar, it all matters. All right. Busy day for you Jen. She'll be on Twitter as well taking all of your questions.

This transcript has been automatically generated and may not be 100% accurate.

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