½ lemon or ½ lime – freshly squeezed (you can use a whole lemon/lime if desired) 500ml warm water Pour into a bottle and drink as needed. Morning is the best time for the citrus cleanses juice because it is also a natural liver decongestant and gentle laxative. Fresh lemon and lime juice contains the phytochemical limonene, which improves liver activity.    See Dr Cabot's book "Raw Juices Can Save Your Life".