resetThe answer depends on what the fast is for. For a log of time without caloric intake, food and calorie-containing drinks end that recorded interval. Medical tests, procedures and religious observances can use different rules, so a general app article should not replace those instructions.
For a personal timing record
Choose a clear definition and apply it consistently. If you are recording the gap between caloric intake, a latte, juice or snack belongs in that record even if you do not think of it as a meal.
Reset cannot detect these events. It only knows the times you enter. There is no need to treat the correction as a failure: it makes the log more accurate.
Water and plain drinks
The Johns Hopkins intermittent fasting overview lists water, black coffee and plain tea among drinks used during its described fasting approach.
That does not establish a universal rule for every purpose, nor prove that a beverage has no physiological effect. Additions such as milk, sugar or syrup change what the drink contains. For the coffee-specific distinction, see black coffee while fasting.
Medical fasting is different
MedlinePlus guidance on blood-test fasting specifies plain water and explains that other beverages can affect results. Follow the instructions from the team ordering your test or procedure.
Ask that team about medicines and supplements; do not skip a prescription to preserve an app target. If you have already eaten or drunk something outside the instructions, tell them rather than concealing it.
Avoid unsupported calorie thresholds
Reset does not apply a universal “under a certain number of calories never counts” rule. It also cannot certify autophagy or another internal process after a drink.
For an ordinary personal log, record the actual endpoint and start a later interval only if appropriate to your routine. The start-time guide explains how consistent entries make history easier to understand.
This is general educational information, not personalised medical advice, and has not been medically reviewed.