Cut lettuce, celery, spinach, and cucumber in small pieces.
Place veggies and garlic, if using, in food processor or blender. Process or blend until liquefied.
Add lemon or lime juice.
Ann Louise Gittleman, Ph.D., C.N.S.
Ann Louise Gittleman, PhD, is a New York Times award-winning author of 30 books on detox, health, and healing, including the international bestselling Fat Flush Plan and Zapped! Visit her blog and join her online Fat Flush Community.