What is Whole Egg Powder? Whole Egg Powder is a spray-dried non-instantised fine yellow powder produced from pasteurised hens’ eggs. Whole Egg Powder Benefits Whole egg powder is a high protein food that can contribute to the growth & maintenance of muscle mass. Who is Whole Egg Powder suitable for? Whole Egg Powder is suitable for anyone looking to increase their dietary protein intake. A number of our customers use Whole Egg Powder to supplement protein into their cooking or to add extra protein to a shake or smoothie.