Eggshells for Knee Collagen? Here's What Science Really Says

What Is Eggshell Membrane?

The soft membrane lining the inside of an eggshell naturally contains:

  • Collagen
  • Glucosamine
  • Chondroitin
  • Hyaluronic acid
  • Other proteins

These compounds have attracted scientific interest because they are involved in joint structure.

What Research Suggests

Some clinical studies have found that processed eggshell membrane supplements may help:

  • Support joint comfort
  • Improve flexibility in some people
  • Reduce mild joint stiffness

However, it's important to understand:

  • The research involves specially processed supplements.
  • Results vary from person to person.
  • Benefits are generally modest.
  • These supplements do not rebuild damaged cartilage.