When Organic Is Worth the Price Healthcare Most Contaminated Produce (best to buy organic)ApplesBell pepperCeleryImported grapesNectarinesPeachesPearspotatoesRed RaspberriesSpinachStrawberriesLeast Contaminated Produce (buy nonorganic, if desired, but wash vigorously)AsparagusAvocadosBananasBroccoliCauliflowerCorn (sweet)KiwiMangoesOnionsPapayaPeas (sweet)Pineapples Want to Keep Reading? Continue reading with a Health Confidential membership. Sign up now Already have an account? Sign in