The protein aisle is expanding fast, and grocers should be watching the pressure building behind it. Demand for whey protein is climbing faster than the supply chain can respond, driven by forces that show every sign of lasting. Aging, GLP-1s and a Decade of Research The whey protein isolate and whey protein concentrate markets are influenced by the same factors — concentrate being the more affordable, everyday form, and isolate the purer, higher-protein one that's had most of its fat and lactose filtered out.  It is my belief that those factors are even more exaggerated for the higher-purity isolates. Growing...  [Read more]