What are alkaline foods? Alkaline foods refer to foods that, after being metabolized in the human body, produce an alkaline load to maintain the acid-base balance of the blood. The acid-base balance of blood is crucial to human health. If the acid-base balance is imbalanced, it will affect the normal operation of the body\’s internal organs. Alkaline foods can increase the alkaline load of the human body and allow the body to maintain a good acid-base balance. Therefore, we should consume alkaline foods in moderation. What types of alkaline foods are there? Common alkaline foods mainly include the following categories: 1. Fruits: lemons, grapefruits, figs