The information available on the effects of raw lecithin inclusion in laying hens diets as a replacement of animal fat is scarce. Moreover, no published report is available on the effects of the inclusion GLYC and lecithin in the diet and their interaction on nutrient digestibility and performance of laying hens. We hypothesized that moderate amounts of GLYC could be used in diets for laying hens without affecting performance and that the inclusion of lecithin in the diet, at the expense of animal fat, could improve FA digestibility, nutrient retention and egg weight because of the easier incorporation into the yolk of dietary phospholipids, as compared with saturated, non-polar fats. The aim of this research was to evaluate the effect of the inclusion of raw glycerin and lecithin in the diet and their interaction on performance and nutrient retention of brown egg-laying hens from 23 to 51 wk of age.