Does alcohol break a fast?
Breaks the fast and is risky fasted
90+ kcal
No - breaks a clean fast. Alcohol contains calories and is harder on judgment, hydration, and blood sugar when taken without food.
Alcohol is energy intake and not compatible with a fasting window.
Alcoholic drinks contain calories from alcohol and often carbohydrates or sugar depending on the drink.
Base tier: 25/100 for "Breaks a fast". Item adjustment: -25 points for calories, nutrient signal, product variability, and safety caution. Final Fast Score: 0/100.
Keep alcohol out of fasting hours and avoid using it to break a fast.
Avoid alcohol with medications, pregnancy, liver disease, addiction risk, or blood sugar concerns.
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.