13 reasons you shouldn’t be throwing your eggshells away

That means eggshells can be a natural and sustainable source of calcium — if prepared correctly.

⚠️ Why Preparation Matters

Raw or unwashed shells can carry Salmonella and other harmful bacteria. That’s why proper sterilization is key.

✅ Safe Way to Prepare Edible Eggshells

1. Wash thoroughly
Rinse the shells under warm water to remove any egg residue.
You can also soak them briefly in vinegar or boiling water to disinfect.

2. Boil for at least 10 minutes