When eaten, it will save the tissues already making up the body, hence is called a protein-sparer.
"Ontario Teachers' Manuals: Household Management"
Ministry of Education
There, standing just inside the door, tanned like saddle leather, somewhat grayer about the temples and sparer of figure than of old, but with the strong vigour of active months, stood Victor McCalloway.
"The Tempering"
Charles Neville Buck
At Sandusky's side sat his crony in all important undertakings-a much smaller, sparer man, with aggressive shoulders and restless eyes.
"Nan of Music Mountain"
Frank H. Spearman