Add the ginger, turmeric, lemon juice, apple cider vinegar, honey, black peppercorns, cayenne pepper (if using), water, and pineapple juice (optional) to a blender. Blend until smooth.
½ medium lemon, 1 Tablespoon apple cider vinegar, 2 Tablespoons honey, 5 black peppercorns, Pinch of cayenne pepper, 1 cup water, ½ cup pineapple juice