Black coffee-the best healthy coffee to lose weight: Black coffee is a very healthy drink. A cup of100g black coffee has only 2.55 kilocalories. So drinking a cup of black coffee after a meal can effectively decompose fat. In addition, black coffee also has diuretic effect. Black coffee can also promote cardiovascular circulation. For women, black coffee also has a cosmetic effect. Drinking it often can make you radiant and radiant. People with low blood pressure can get better by drinking a cup of black coffee every day.