How limited are they? At the GNC here, there were tons of Atkins and other low-carb products - every flavour of bar (VERY pricey), baking mixes, snacks, etc. Actually, ALL their products were so expensive I didn't buy a thing even though I'm dying to try some of the recipes using his bake mix. They wanted $45.99 for a box of 15 Advantage Bars but they sell them for $29.99 at Zehrs!