Many people struggle with everyday joint and knee discomfort that makes simple tasks feel challenging. But there is growing interest in natural kitchen-based approaches for supporting joint and bone wellness. One surprising option is eggshell powder. Eggshells are primarily made of calcium carbonate for bone support, while the thin inner membrane contains compounds like collagen, glucosamine, and chondroitin that have drawn attention in joint health discussions.

To prepare eggshell powder at home, rinse 10–12 clean eggshells thoroughly. Boil them in water for 10–15 minutes to reduce bacteria, then drain and spread them on a baking sheet. Bake at 200–225°F for 20–30 minutes until completely dry and brittle. Let the shells cool, then grind them into a fine powder using a coffee grinder or blender. Store the powder in an airtight container in a cool, dry place.

A typical starting amount provides about 400–500 mg of calcium per half teaspoon. Mix this powder into smoothies, yogurt, oatmeal, or baked goods without changing the flavor much. Some studies on natural eggshell membrane have reported improvements in joint comfort and stiffness within 10 to 30 days. However, individual results vary.

Safety is essential. Use only clean, unbroken shells from fresh eggs. Avoid this preparation if you have an egg allergy. Consult a healthcare provider before adding any new supplement, especially if you have kidney conditions or take medications. Pair this practice with a balanced diet, weight-bearing exercise, and adequate vitamin D for best results.