Technically speaking, soft drinks such as Coca Cola Zero do not break the fast because they have no calories, although many experts indicate that if our goal with intermittent fasting is to lose weight, these soft drinks can have a rebound effect.
Can you have Coke Zero on a fast? Yes, as another type of diet soda, you can have Coke Zero on a fast. As with any diet soda, moderation is key. Just watch out for potential side effects and avoid drinking it from mid-afternoon onward since its caffeine levels could impact your sleep routine.
“Technically speaking, most diet sodas that have zero calories will not break a fast,” explains Autumn Bates, a certified clinical nutritionist in Manhattan Beach, California.
Diet Coke contains zero sugar and zero calories. Because of this technically speaking, it will not break a fast.
No, Coke Zero does not spike insulin levels. Coke Zero is a sugar-free, low-calorie carbonated beverage that does not contain any sugar or carbohydrates. This means that it will not cause a spike in insulin levels the way that regular soda or other sugary beverages can.
For intermittent fasting, most calorie-free beverages are suitable and won't spike your blood glucose or ruin the metabolic effects you're aiming for. Diet soda, zero-calorie Zest Tea, and water are good to drink while intermittent fasting.
Coca-Cola Zero Sugar Vanilla is the perfect drink for people who want the great Coke taste with a sweet vanilla flavour, and all with zero sugar and zero calories.
With any intermittent fasting schedule, only water, black coffee, tea, and other calorie-free beverages are permitted during the fasting period. You cannot consume any food or caloric beverages.
Diet soda has links to weight gain and metabolic syndrome, which can make diabetes worse or increase the risk of it developing. Some sweeteners in diet soda even cause insulin spikes in the blood which worsens insulin sensitivity over time and can eventually raise blood sugar levels.
Coke Zero has so few calories that drinking it doesn't really have an effect on your overall daily calorie intake. If you are eating more calories than you expend, you will gain weight no matter what you drink.
Strictly speaking, any amount of calories will break a fast. If a person follows a strict fasting schedule, they should avoid any food or drinks containing calories. Those following a modified fasting diet can often eat up to 25% of their daily calorie needs while fasting.
If you're wondering if you can drink soda (or diet soda) while you're doing intermittent fasting, Palinski-Wade recommends staying away from soda in general, even if you're not following a diet like intermittent fasting. Regular sodas are usually loaded with sugar and calories and offer no nutritional value, she says.
Coke Zero Sugar is a zero-sugar, zero-calorie cola. Sugar alternatives are used in place of sugar in many foods and drinks to provide people with a reduced, low, or no sugar and calorie option. Because sugar alternatives provide a sweet taste with few or no calories, they can help people manage their calorie intake.
Stevia is zero-calorie and protein-free, so it likely has no impact on autophagy, meaning you're all set to use stevia if you're fasting for longevity. In Summary: Fasting for metabolic health/weight loss: does not break a fast.
Additionally, it will take your body a while to get used to this new eating schedule. So don't expect results right away. You may need to wait between 2 and 4 weeks to see or feel any results.
The truth about lemon water and intermittent fasting
Long story short - the answer to the question “Does lemon water break a fast?” is no, lemon water does not break a fast. Lemon water contains almost no calories and zero sugars, it doesn't raise insulin levels, which means it will not break your fast (1).
The general rule of thumb is that if you stay under 50 calories, then you'll remain in the fasted state.
Artificial sweeteners such as Stevia, Swerve, Aspartame, and Splenda won't break your fast, since they don't seem to have an effect on insulin secretion or blood glucose.