Mix Ingredients: In a large pitcher, combine cold water, apple cider vinegar, lemon juice, ginger, and cinnamon. Whisk well to combine.
Sweeten (Optional): Add honey or monk fruit sweetener to taste. Stir until fully dissolved.
Optional Steep: Let the mixture sit for 10 minutes at room temperature to allow flavors to meld.
Serve: Pour over ice and garnish with lemon slices or mint if desired.
Drink & Store: Drink 1 cup before meals or first thing in the morning. Store leftovers in the fridge for up to 2 days. Shake before each use.