Eggshells provide a great source of highly absorbable calcium.

It also contains the eggshell membranes, which contain compounds that support joint health

Eggshell membrane consists of collagen as a component. Collagen is a type of protein, fibrous in nature that
connects and supports other bodily tissues, such as skin, bone, tendons, muscles and cartilage. Collagen
has been isolated mainly from bovine and swine skins and bones Collagen used in medicine, biochemical,
pharmaceutical, food and cosmetics industries.