Although additions are discouraged to minimize the risk of breaking the fast, you can choose to add:  • Unlimited herbal teas (unsweetened and caffeine free)  • All types of sparkling water are fine (no sweeteners of any kind) • Caffeine up to 140 mg per day:  --1 cup (8-12fl oz) of coffee (no cream or sweetener)  ---or- 2 cups (16fl oz) of black or green tea (traditionally steeped), no matcha  ---or- 6 cups (48fl oz) of decaf coffee (no cream of sweetener)  • Up to 1 tablespoon of dried herbs or spices per day to your soups or other foods in the diet to enhance the flavor (preferably unprocessed, e.g., red pepper flakes)  • Up to 1 teaspoon of sea salt (as long as there are no health contraindications)  • Up to 2 slices of lemon per day (squeezed, not eaten), whether you use it in your soups, herbal teas, or water.  • Up to 2 pieces of sugar-free gum per day while on ProLon.  You should add food to the program only as a last resort if you are so incredibly hungry that you feel like you are going to break the fast. In such an instance, you may have a slice or two of apple, 1 stalk of celery, or 1 small Persian (“baby”) cucumber of 5-6 inches in length per day.