Left and right twix are two of the most popular chocolate bars in the world. While they share a lot of similarities, there are a few key differences that set them apart. Left and right twix are made with different ingredients, which can affect the taste and nutritional value. Left twix is made with less sugar and more cocoa, while right twix contains more sugar. Left twix also contains nuts, which make it a little more filling; right twix is usually lower in calories.