My physician has just advised that I eat a piece of fruit every day, and I try to do so. I think that is a safe way to ensure this bioavailability. I have tes

My physician has just advised that I eat a piece of fruit every day, and I try to do so. I think that is a safe way to ensure this bioavailability. I have tested low on vitamin D and my physician advised supplements. I see that vitamin E is also on the list. What natural foods provide those?