Hatched!™ Eggshell This is like no other calcium supplement product out there! No more worrying about under or over dosing your pets with water additives. Human-grade, FDA regulated facility and packaging, crushed, not powdered . . . This is pure, sanitized eggshell, each batch tested and passing with a Certificate of Analysis. In addition, natural ultra-refined eggshell calcium avoids typical discomfort. Hatched!™ is pure, sanitized eggshell manufactured in the US. It comes in a 1 lb resealable bag.Herb Salad™ and Hatched!™ compliment each other well and can be served mixed, in the same dish.