Most adults stay within 1–2 diluted tablespoons of apple cider vinegar a day and start lower if they have sensitive teeth, stomach, or health issues.

Most people trying apple cider vinegar for heartburn use 1 teaspoon to 1 tablespoon diluted in water, once or twice with meals.

Most doctors do not recommend apple cider vinegar for acid reflux; if you try it, limit it to 1–2 teaspoons diluted in a glass of water.

For healthy adults, a safe apple cider vinegar dose is 1–2 diluted tablespoons (15–30 ml) per day taken with meals.

A common safe range is 1 to 2 tablespoons of diluted apple cider vinegar per day for most healthy adults.

For reflux, start with 1 teaspoon of apple cider vinegar diluted in a large glass of water, up to 1–2 tablespoons daily if your doctor agrees.

Apple cider vinegar is not a cure for kidney stones, and small diluted amounts should only be used alongside medical advice and proven treatments.

Most healthy adults can drink 1–2 tablespoons (15–30 ml) of diluted apple cider vinegar per day, split around meals.

For most healthy adults, apple cider vinegar stays safe at 1–2 tablespoons (15–30 ml) diluted up to twice daily.

Most people mix 1–2 teaspoons of apple cider vinegar into at least one cup of water, staying under 1–2 tablespoons (15–30 mL) total per day.