In the photo to the right is half-and-half made from the same company, except that the one on the left is labeled "low fat." Don't think low-fat milk/cream has added sugar? Well, look below.
On the right is the half-and-half I use everyday for my coffee. It is almost completely what half-and-half is supposed to be: milk and cream. Now on the left is the "low-fat" half-and-half, which is made of "skim milk" and "corn syrup." What is corn syrup? Sugar. It's from corn starch, or the endosperm part of the corn grain, and this stuff is refined by mechanical processes until it can be used to replace cream. I surprise people when I tell them that their low-fat half-and-half has sugar, but the proof is in the pudding, or as it were on the Nutrition Facts label.