For instance, water (a given), unsweetened teas, broth, and coffees. Yes, most artificial sweeteners are ok to consume during a fast. Although it contains only 4 calories and 0.9g of carbohydrates per packet, it can still cause minimal blood glucose and insulin spikes.
Does Sweet and Low Break A Fast? This Is Why I'm Fit
However, if you’re fasting for weight loss or blood sugar management, you can have. If you’re fasting for gut rest or longevity/autophagy, it will break it. Not technically—since diet soda contains zero calories, it won’t break your fast from a calorie intake standpoint.
No, sweeteners do not break a fast.
Fasting has gained significant traction in recent years,. Yes, sweet and low does break a fast. Apparently there is less than 4 calories per packet of sweet'n low source. The question “does sweeteners break a fast?” has sparked considerable debate among health enthusiasts.
Sweeteners are substances used to enhance the taste of food and beverages without adding significant calories or carbohydrates. Does sweet’n low break a fast? 50 kcal breaks your fast. Artificial sweeteners like sucralose, aspartame, and saccharin have almost no calories, but a lot of sweetness.

The answer often depends on several factors—including the type of sweetener.
If you only use 2 packets, i'd say you're okay. The consensus is that most artificial sweeteners do not break a fast, but their effects can vary based on individual metabolism and fasting goals. Will equal break a fast? Does diet soda break your fast?
Sweet’n low is an artificial sweetener that will not break your fast as it only contains four calories per sachet/packet. However, during a fast, and depending on your goal, you can still consume some liquids.

