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Does unsweetened tea break a fast?
94
/ 100
Fast-safe
Likely okay if unsweetened
0-5 kcal
Yes - fasting-safehigh confidenceClean-fasting principle
Decision
Yes - fasting-safe. Plain tea is a strong fasting drink because it gives flavor without meaningful calories.
Reason
Plain tea is a strong fasting drink because it gives flavor without meaningful calories.
Evidence
Plain brewed tea is about 2 kcal per cup with no sugar; the calories come from milk, honey, or sweeteners, not the tea.
How we calculate this value
Base tier: 92/100 for "Fast-safe". Item adjustment: +2 points for calories, nutrient signal, product variability, and safety caution. Final Fast Score: 94/100.
What to do
Avoid honey, milk tea, boba, and bottled teas with sugar.
References for this answer
MethodologyRelated reading
What breaks a fast?
More “fast-safe”
The Fast Score is an editorial estimate of clean-fast strictness, not medical advice. Goals vary — if you fast for glucose, appetite, or medical reasons, follow your clinician.