Dilute 1–2 tablespoons of apple cider vinegar in a large glass of water
Take it before meals, especially meals high in carbohydrates
Start with 1 teaspoon to check tolerance, then increase gradually if needed
Drink it through a straw to reduce contact with teeth
Rinse your mouth with plain water after taking it
Do not take it undiluted
Avoid taking it on an empty stomach if it causes nausea or stomach upset
Limit total intake to 1–2 tablespoons per day unless a clinician advises otherwise
Monitor blood glucose regularly when using it
Be cautious if you take insulin or diabetes medications, since it may increase the risk of low blood sugar
Stop using it if you develop heartburn, throat irritation, or stomach pain
Ask a healthcare professional before using it if you have kidney disease, gastroparesis, or frequent low blood sugar