Enzyme needed to digest wheat gluten. . additional blood tests may be needed. . . . . Except when I eat wheat/gluten- soy sauce, beer, yada. their blood and urine and defective enzymatic processes for digesting milk protein(24,25,27), and similarly for the corresponding enzyme needed to digest wheat gluten . . . got the enzymes they needed . . . . . Lactose intolerance is an example of an intolerance, where a person lacks the enzyme to digest milk sugar; another example is gluten intolerance. ... more