How Much Diet Soda Is Too Much Diet Soda? Doctors Weigh In

Sure, it doesn't have calories — but that doesn't mean it can't have a major impact on your health.

Diet soda devotees have their reasons for obsessing over their favorite diet drink — sometimes it’s the flavor, and for others it’s the fact that it’s sugar-free. After all, you’re not getting a dose of high-fructose corn syrup hitting your blood sugar the way normal soda does.

But it’s still important to monitor how much you’re drinking. The rapper Fat Joe recently admitted to drinking between 30 to 40 cans of Diet Pepsi per day, and that got us wondering: How much soda is too much diet soda? To find out, we spoke with experts to learn what drinking too much diet soda can do to your body.

First, a look at the different types of artificial sweeteners in diet soda:

“Artificial sweeteners are made in a lab and plant-based ones come from natural sources,” said Vanessa Rissetto, a registered dietitian and CEO and co-founder of Culina Health. However, these are still processed. “They all vary in sweetness intensity, which is why only tiny amounts are used.”

Diet soda will usually be made with one or a mix of the following sweeteners, according to Rissetto: