Caffeine can and will break your fast. If it does not break your fast it will create a bit of a disturbance for the goals you are trying to acquire while fasting. One cup of caffeinated tea won't destroy a long fast but, why allow it when the object of the fast is to cleanse the body. There are all types of fasts. So you might wonder what you can eat or drink without breaking a fast? Water, still or sparkling, most teas and black coffee are the only things you can drink or eat without breaking a fast. But certain drinks have so many other benefits (such as lemon juice) that they can outgrow the risks of breaking your fast. Does Tea Break A Fast? It's pretty simple - if you make your tea without any forms of added sugar, you will not break your fast. Green and black tea are rich in natural flavors and contain caffeine, so sticking with unsweetened drinks, hot or cold, may actually help you power through your fast. Image: Unsplash. "Black tea is virtually calorie-free so doesn't break a fast (same goes for black coffee)," says Meier. "Aside from water, it's a good option during fasting periods as it Hairtamin Scalp Serum. Ulta. "This serum combines rosemary oil with tea tree and peppermint oil, as well as saw palmetto, procapil and caffeine, all of which have been shown to stimulate hair Does Tea Break a Fast? No, tea does not interrupt fasting because it does not cause insulin changes in your body. Intermittent fasting works by lowering levels of the hormone insulin in the body, which is involved in storing fat. The good news is tea is allowed on fasting days which can be a good way to use your limited calories wisely. Time-Restricted Fasting This tends to involve eating your daily intake of food within a restricted time period and fasting for the remaining hours. You can drink fasting teas hot or cold, as long as you have them without sweetener, milk, or creamer. Teas contain no calories, so drinking them on their own will not break a fast. An authentically brewed green tea has 2.45 calories per cup, less than the 50 calorie rule which is the maximum to remain in a fasted state. Adding sugar or other sweeteners to green tea can break your fast, even if it's zero-calorie sweeteners due to the insulin response they can cause. Why Tea Does Not Break A Fast. The tea-rrific (is that a bit too much?) news is that most teas don't play the foul game of breaking your fast. But why? The answer lies in the low-calorie content of tea. Regular, unsweetened teas generally have less than 2 calories per cup. Talk about a "light" beverage! PkwdYs.