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Yes—on the Optifast program, coffee is fine black or with up to 30 mL skim milk and no sugar; stick to non-caloric add-ins.

Yes, plain coffee fits many liquid diets; keep it black for clear-liquid days and add milk only on full-liquid plans.

Yes, small amounts of coffee during labor are usually fine, but timing, caffeine content, and your care team’s guidance matter.

Yes, plain black coffee is allowed during the ProLon program in small amounts—about one 8-oz cup (≤140 mg caffeine) without add-ins.

No, coffee isn’t advised on a bland diet; choose decaf or low-acid options only if your clinician says they’re okay.

Yes, plain brewed coffee can fit a low-fiber plan, but keep it simple and watch how your gut reacts.

Yes, black coffee fits most intermittent fasting plans; skip sugar, cream, and calories to keep your fasting window intact.

Yes, moderate coffee in pregnancy is generally fine up to about 200 mg of caffeine per day, based on mainstream medical guidance.

No—stick to water before a pelvic ultrasound; caffeine and milk can hinder a full bladder and image quality.

No, for fasting thyroid labs stick to water; for non-fasting TSH, some clinics allow black coffee—ask your lab and skip add-ins.