Recipe

Before you toss those eggshells, you might want to think twice! Many people use them in traditional homemade recipes to support joint and muscle

The idea behind this claim is that eggshells contain minerals—especially calcium—and some people use powdered eggshells in homemade preparations for joint and bone support. However, there are important safety considerations. Eggshells are mostly made of calcium carbonate, and they also contain small amounts of other minerals. Some studies have explored eggshell membrane (the thin layer …