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