For most of the history of dairy, whey was the stuff you got rid of - the watery byproduct left after milk becomes cheese, fed to hogs or poured out while the actual product went to market. In 2026, with an entire nation proteinmaxxing its way through GLP-1 prescriptions and 40-gram breakfast bars, the 'cheddar' isn't in the cheese itself: America is now producing record amounts of cheese because that's how you get whey.
According to NBC, this has resulted in record-high US cheese production, with processors making more cheese to capture the whey stream and exports absorbing the growing pile nobody specifically ordered. The USDA's latest Dairy Products report shows total cheese output excluding cottage cheese hit 1.28 billion pounds in May, up 2.0% from a year earlier - while the whey side of the ledger ran considerably hotter, with total dry whey production up 12.2% year-over-year and whey protein concentrate up 3.0%. Cheddar output actually fell 1.2% in the same month, which tells you the growth is not being driven by anyone's sudden craving for cheddar.
Whey Cool
The demand shock behind all this has been building for two years. The average US supermarket now carries 38,708 products advertising their protein content, according to NielsenIQ figures READ MORE AT SOURCE »
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