The term “acidic foods” refers to items that have a low pH level, meaning they are more acidic on the pH scale (0 to 14, with 7 being neutral). These foods can affect everything from digestive health ...

A food with a pH below 4.6 is high in acid. This includes many citrus fruits, plums, grapes, pomegranates, and several other fruits. Tomatoes, which are technically a fruit, are also acidic. Defining ...