Some vegetarians–usually strict vegans–will not consume sugar. This is because sugar is often whitened with bone char from cows.
If you are a vegetarian and you want to continue eating products that contain sugar, but do not want to cause suffering in the process, you have a number of options.
Your first option is to only consume products made with beet sugar. There are two major sources of sugar in the United States: beet sugar and cane sugar. Cane sugar is often whitened with bone char from cows; in contrast, beet sugar is never whitened with bone char.
So, if you want to completely avoid the bone char, you can do so by eating only beet sugar. The only challenge–and it is a big one–is finding out which foods contain beet sugar and which foods contain cane sugar.
To make things more complex, you can also consume a number of types of cane sugar, as long as you are willing to find out what the source of the sugar is.
You can do this in a lot of cases by looking at the nutritional panel on food before you buy it. If it says fructose or dextrose, the sugar is from a plant source (either beet or corn). If it says sucrose,...