The simple answer to this question is yes.
Looking at the easiest measurable, the internet it’s clear that more and more people are searching for protein based products. This gives us the best idea of increases in protein users.
Over the years Google records the number of times a particular search term or phrase is used. It is pretty clear for the analytics over the last 10 years that ‘Whey Protein’, ‘Protein Powders’ & ‘ Protein Supplements’ are becoming more popular.
Your customers might have asked you about protein products in the past and there is a high likely hood that more of them will ask you about protein in the future. Guide them to your store, they can use the search box to find certain products or they can use the categories drop down menu to find a particular category of protein products.