Diet Coke and Coke Zero are two very similar sodas made by Coca-Cola. Zero sugar, zero calories, and zero carbs are their claim to fame. Diet Coke and Coke Zero both contain aspartame which can spike insulin. In order to stay in ketosis, you want to avoid spiking insulin, so neither Diet Coke nor Coke Zero are suitable for a keto diet.
The confusing part with Coke Zero, at least for some people, is that Coke Zero is the same as Diet Coke. They are quite different. For example, Coke Zero uses a combination of aspartame and. 10 269 418 115 299 198 292 462