Otten now buys high-protein whey concentrate from cheesemakers, refines it in his plant and extracts different proteins for various customers.

FORBES: Making Whey

The whey concentrate goes into yogurt to help the bacteria grow, into bread as the magic ingredient to keep it moist and into sausage as a binder (if you wonder what's going on here, recall that Borden used to make glue from milk).

FORBES: Making Whey

The whey concentrate goes into yogurt to help the bacteria grow, into bread as the magic ingredient to keep the product moist and into sausage as a binder (if you wonder what's going on here, recall that Borden used to make glue from milk).

FORBES: Making Whey

He then refined it into 34% whey protein concentrate powder and sold it for 50 cents a pound.

FORBES: Making Whey