Yes, they are awesome. Apparently, they have strict control on who gets to sell their products. It took literally forever for Vitamin Shoppe to be able to carry it. I don't know if GNC has it yet. But I haven't set foot in a GNC in many years. I have wondered that too. Most likely they source out from the same places, but for some reason they are the best tasting and stomach friendly brand I have ever tried.
The only Beverly products I've seen in GNC in recent years is egg protein. And that costs and arm and a leg.