In the morning, drink 1–2 teaspoons of apple cider vinegar mixed in a glass of water. This amount is safe and easy for daily use. Some key benefits of drinking apple cider vinegar in the morning include better digestion and feeling light and active during the day. The benefits of apple cider vinegar on an empty stomach also include gut support and natural cleansing when taken regularly. Conclusion: Always dilute apple cider vinegar with water. Taken in the right amount, it can be a simple part of your morning routine.