Alkaline food encyclopedia Eating habits are the key to maintaining good health, and research shows that an acidic diet can easily lead to various problems in the body. Therefore, it is very necessary to adjust the diet structure and gradually increase the intake of alkaline foods. Here are some common alkaline foods from the four aspects of vegetables, fruits, grains and condiments. Vegetables are one of the main sources of alkaline foods. Common alkaline vegetables include celery, broccoli, cucumber, spinach, pumpkin, cauliflower, etc. These vegetables are rich in vitamins and minerals and play an important role in the diet.