Swanson Swanson Eggshell Calcium with Vitamin D3 120 Caps

Did you know that eggshells are made of 95% calcium carbonate? Not surprisingly, people have been relying on eggshells for years as a great way to get their daily recommended calcium intake. Eggshell calcium benefits the body in a number of ways, most notably by promoting bone density and healthy teeth. Swanson Eggshell Calcium with Vitamin D3 delivers 500 mg of calcium per serving derived from eggshells, plus added vitamin D to ensure maximum absorption.