Frequently Asked Questions about Diet Soda and Weight Gain Q: Does diet soda cause weight gain? No, diet soda does not directly cause weight gain. It is often marketed as a low or zero-calorie alternative to regular soda, which can be helpful for weight management. However, some studies suggest that artificial sweeteners used in diet sodas may disrupt our body’s natural mechanisms for regulating hunger and satiety, potentially leading to overeating and weight gain in the long run. Learn more. Q: Is diet soda a healthier option than regular soda? Diet soda is often considered a better option than regular…