I gave up a lot of offending foods which helped some. (mamanatural.com)
By eliminating offending foods from your diet for at least thirty days you can get a very accurate idea of what is at the root of your allergies. (nourishholisticnutrition.com)
You may have to be free from offending foods for 20 to 60 days before you begin to feel better and symptoms to disappear. (myersdetox.com)