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Yes, plain tea and black coffee fit intermittent fasting; skip milk, cream, sugar, and sweetened drinks to keep the fast intact.

Yes, calorie-free flavored water can fit a time-restricted fast, but sweeteners may blunt insulin or gut benefits—plain water stays safest.

Yes, sugar-free Monster can fit weight-loss fasting, but strict fasts and goals like autophagy call for unsweetened water, tea, or coffee.

No—smoothies during a fast add calories and break the fast; only water, plain tea, or black coffee keep a fasting window intact.

No, soy milk contains calories that break an intermittent fast; stick to water, black coffee, or plain tea during fasting hours.

No, most squash cordials add calories or sweeteners that end a strict fast; stick to water, plain tea, or black coffee.

No, scotch during intermittent fasting breaks the fast because whisky contains calories.

Yes, plain RYZE mushroom coffee can fit time-restricted fasting, but its ~15 calories and fiber break a strict zero-calorie fast.

Yes, unsweetened peppermint tea fits most fasting plans; skip sweeteners, milk, or add-ins during the fasting window.

No—plain salt water during fasting isn’t advised; stick to water, and only use well-formulated electrolytes if your plan allows them.