No coffee until you are fully recovered, if then. Fruit juices are forbidden because of their high fructose content and dumping of sugar into the blood stream. An occasional small glass of vegetable juice with a meal is o.k. If you enjoy wine or beer and still insist, there are some guidelines. First, drink only with meals.
Red wine has less sugar and more of the beneficial polyphenols than white whines.
Most of the good foreign beer is actually brewed and contains far more nutrients than the pasteurized chemicals called beer made by the large commercial breweries in the United States. Trader Joe's usually has a good selection. Less is better. Occasional rather than regular. Because coffee and alcohol force you to lose water, you'll have to drink more water to compensate.