Here Are the Top 10 Most Acidic Foods to Avoid

5. Tomatoes

Tomatoes are highly acidic and can cause heartburn if you eat them too much. You can use sour candies as an antidote for heartburn from tomatoes. They promote saliva production and this is good for acid reflux, since saliva neutralizes the acid that comes up from your stomach.

• pH of tomatoes — 4.3 — 4.9
• pH of tomato juice — 4.1 — 4.6
• pH of tomato puree — 4.3 — 4.5