secreters

We know from numerous animal studies that those animals of any species that secrete less insulin over a lifetime live longer than higher secreters.

Low-carb diets reduce oxidative stress | The Blog of Michael R. Eades, M.D. 2008

Evan stiffened, remembering previously observed secreters of dangerous acids, but this one didn't act like a corrosive.

Sentenced To Prism Foster, Alan Dean, 1946- 1985