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.

Grapefruit & Cialis

Published Jul,12 2011 | By Rachel Nall

While you may enjoy the vitamin C-packed nutrients found in grapefruits, eating grapefruit with certain medications can negatively impact your health. One example is the medication Cialis, generic name tadalafil, which is prescribed to treat erectile dysfunction.