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Yes, a ginger turmeric shot breaks a fast for strict water or autophagy goals, since it adds calories and carbs.

No, Coke Zero doesn’t add calories to an intermittent fast, but its sweeteners can nudge hormones and appetite in some people.

Yes, butter in coffee breaks a fast; it adds calories and fat that end fasting for autophagy, gut rest, and strict metabolic goals.

Yes, bulletproof tea breaks a fast for most goals; choose water, plain tea, or black coffee to keep a strict fasting window.

Yes—bulletproof coffee breaks a fast under strict fasting rules because it delivers calories from fat.

Yes, collagen in coffee breaks a fast under strict fasting rules because it adds protein and calories.

Yes, black tea can affect a fasting blood test; for strict fasting, drink only water until your sample is taken.

Yes—Coffee Mate Zero Sugar breaks a fast, since a tablespoon adds calories and sweeteners that can nudge metabolic signals.

Yes, coffee or tea can break a fast if they contain calories; plain black coffee or unsweetened tea usually keep a fast intact.

No, plain brewed coffee doesn’t break most fasting methods; its calories and insulin impact are minimal—skip add-ins for a strict fast.