Eggshell powder is a popular homemade remedy that is often shared on social media as a natural way to support bones and joints or even “regenerate” worn cartilage.
However, it is important to understand that these claims are not scientifically established. Eggshells are mainly made of calcium carbonate, which provides calcium, but eating eggshell powder has not been proven to regenerate damaged cartilage or cure osteoarthritis.
Ingredients
| Ingredient | Amount |
| Clean eggshells | As needed |
| Water | Enough for boiling |
Step-by-Step Preparation
1. Clean the Eggshells
Rinse the eggshells thoroughly under running water to remove any remaining egg residue.
2. Boil the Eggshells
Place the shells in a saucepan and cover them with water. Bring the water to a boil and boil the shells for 10–15 minutes.
This step is intended to reduce the risk of harmful bacteria, including Salmonella.
3. Dry Completely
Drain the shells carefully and allow them to dry completely.
For additional drying, place them in an oven at approximately 100°C (212°F) for about 10 minutes. Make sure they are completely dry before grinding.
4. Grind Into a Fine Powder
Once completely dry and cool, place the shells in a clean coffee grinder, spice grinder, or powerful blender.
Grind them until they become a very fine powder with no sharp or coarse pieces remaining.
5. How It Is Commonly Consumed
Some homemade recipes suggest mixing approximately ½ teaspoon of eggshell powder into water, milk, or yogurt once a day.
However, there is no established medically recommended daily dose of homemade eggshell powder for treating osteoarthritis or rebuilding cartilage. Calcium intake should be considered together with your overall diet and individual health needs.
What Does Eggshell Powder Actually Do?
Eggshells are primarily composed of calcium carbonate, a form of calcium.
Calcium is an important mineral for maintaining normal bones and other body functions. However, consuming additional calcium does not mean that damaged joint cartilage will grow back.
Can Eggshell Powder Regenerate Cartilage?
There is no reliable evidence that homemade eggshell powder can regenerate worn cartilage or cure osteoarthritis.
Osteoarthritis involves changes to the entire joint, including cartilage, bone, and surrounding tissues. It should not be treated solely with a homemade remedy.
Important Safety Precautions
Raw or improperly prepared eggshells can potentially carry harmful bacteria. Thorough cleaning and heat treatment can reduce this risk, but homemade preparation cannot guarantee complete safety.
Eggshells should also be ground extremely finely. Coarse pieces may be unpleasant to swallow and could irritate the digestive tract.
People who have medical conditions affecting calcium levels, kidney function, or who take medications that interact with calcium should speak with a healthcare professional before taking calcium supplements or large amounts of calcium-containing products.
It is also important not to assume that “natural” automatically means safe.
Better Ways to Support Joint Health
For people with osteoarthritis or persistent joint pain, evidence-based care may include maintaining a healthy weight, staying physically active with appropriate exercises, strengthening the muscles around affected joints, and following treatment recommendations from a healthcare professional.
A doctor or rheumatologist can help determine the cause of joint pain and recommend an appropriate treatment plan.
Final Thoughts
Eggshell powder is a traditional homemade preparation that provides calcium carbonate, but it should not be considered a proven treatment for osteoarthritis or a method of regenerating cartilage.
If you are experiencing joint pain, stiffness, swelling, or reduced mobility, it is better to seek medical advice rather than relying on viral social-media remedies.
⚠️ This recipe may not be suitable for everyone, so it is advisable to consult a doctor before consuming eggshell powder, especially if you have a medical condition or take medication.