There are good reasons to eat traditional fats like butter, olive oil, animal fats, and tropic oils, rather than modern vegetable oils. But years of consuming vegetable oil can cause your vitamin E requirement to remain elevated for up to four years after you make the switch, leaving you vulnerable to some extra wear and tear during the transition. Here’s how I recommend using vitamin E in food or supplements to smooth out the transition. If you'd like to share the public version of this episode with non-Masterpass holders, you can find it here.