To maintain a healthy body, consume non-acidic fruits and vegetables more often. For example, citrus fruit flesh and juice are acidic, but in your body they are. 23 Healthiest Superfruits You Need Now five to nine portions of fruit or vegetables a day, and most of them should be Superfruits. . It's the C that makes citrus a Superfruit, says Glassman, because this vitamin counters the. The best acid reducing foods are lean meats, low acid fruits, low fat foods, most vegetables and whole grains that make a great base for any acid reducing diet. When topping off a hot bowl of oat meal with fresh fruit, be sure you stay Brown rice may be a healthy choice if you're following a low-acid diet.