Citrus Fruit Guide: Nutrition, Acids & Stomach Health

Citrus fruits like lemons and oranges are rich in electrolytes and fiber, but their high acidity can cause stomach aches. Learn how grapefruit interacts with medications like Cialis and discover the health properties of citrus peels.

Wooden squeezer and lime on table

Acid Found in Lemons & Limes

If you've ever cut yourself and then accidentally exposed the wound to lemon or lime juice, you know how acidic these fruits are. In fact, of all citrus fruits, lemons and limes have the highest citric acid content -- about 1.4 grams per ounce, or about 8 percent of their dry weight.

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