Nutritionists believe that fish, meat, poultry, eggs, rice, flour, oil and sugar are all acidic foods; Vegetables, fruits, bean products and milk are all alkaline foods. Although vinegar is acidic, it will not produce acidic substances in the process of human metabolism, but will produce CO2 and H2O, so vinegar is also an alkaline food.

Generally speaking, there are the following kinds of alkaline foods: alkaline foods are mainly divided into: first, vegetables and fruits; Second, seaweed; Third, nuts; 4. Cereals and beans that have sprouted.