: However, the use of artificial sweeteners is controversial and linked to certain health risks. More research is needed in this area, especially in the context of a keto diet. Thus, while Coke Zero can occasionally provide variety as you quench your thirst on the keto diet, the optimal choice is water. Specifically, Coke Zero utilizes acesulfame potassium (Ace-K) and aspartame.
: While these don’t provide carbs or calories, they have been associated with negative health outcomes, such as an increased risk of diabetes and weight gain . But when the body is in this "starving-not-starving" mode, fat storage is also happening simultaneously with fat breakdown, the researchers found. The results offer early indications that the keto diet could, over limited time periods, improve human health by lowering diabetes risk and inflammation.