Thinking about value ranges you automatically think that they are going to be worse for you health wise. Here are some comparisons to see if this is true.
Tomato Soup -
The value can of soup has less calories, less carbs and less fat than the Heinz can.
Strawberry Jam -
The value and named brand are very similar here, yet you have to pay three times the price for the branded jam.
Just because it is cheap doesn't mean it is worse for you than the more expensive and well known brands.
Here is a link to Charlotte's blog where she has posted a few more named brand and value comparisons : LINK