New technologies are enabling cheesemakers to recycle whey into a range of products that have infiltrated the health food market-- and that many of us consume unknowingly on a daily basis.

Some of the country's biggest cheesemaking operations now use high-tech filters to process whey on a molecular level, trapping specific proteins and sugars. While Americans are now consuming less milk overall, whey derivatives can be found in an increasing range of products; from protein drinks, to vitamin supplements, to infant formulas.

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