Costco's Kirkland Signature brand offers a similar option for protein bars — even if they're not an exact dupe. When compared to its Quest counterpart, Costco's protein bars were lower in fat ...

The Taste: Biting in, the first thing you taste is an overwhelming caramel with a very gummy consistency. In fact, the caramel is so dominant, I didn't taste the marshmallow at all. This was one, ...