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13 reasons you shouldn’t be throwing your eggshells away

Have a look through this list below — and don’t forget to share it with your friends so they, too, can put their eggshells to good use.
They’ll appreciate it!

🥄 1. How to Eat Eggshells Safely

🧪 What’s in Eggshells?

Eggshells are made up of about 95% calcium carbonate, the same mineral found in many calcium supplements. They also contain trace minerals like magnesium, phosphorus, and potassium.

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
Keep the shells in boiling water for 10 minutes to kill any bacteria.

3. Bake to dry (optional but better)
After boiling, spread the shells on a tray and bake them at 100–120°C (210–250°F) for 10–15 minutes.
This makes them brittle, dry, and sterile.

4. Grind into a fine powder
Use a coffee grinder or blender. Never eat sharp shell pieces — they can injure your throat or digestive tract.

5. Store properly
Place the powder in an airtight jar away from humidity.

🥄 How to Use Eggshell Powder

Add a small pinch (about ½ teaspoon) to smoothies, yogurt, soups, or oatmeal.
Don’t exceed 1 teaspoon per day, as too much calcium may cause kidney stones or reduce magnesium absorption.

❌ Avoid Doing This

Don’t eat raw or unboiled shells.
Don’t chew them directly.
Don’t replace your calcium supplements without medical advice.

🍽️ 2. Easy Ways to Eat Crushed Eggshells

You can mix finely powdered shells into:

Smoothies or oatmeal
Baked goods like bread or muffins
Soups or sauces

They add zero flavor but a boost of calcium. Remember, moderation is key!

🌱 3. Natural Nutrients for Soil

Eggshells enrich soil with calcium and trace minerals.
Crush them and sprinkle them into your garden or mix them into potting soil — your plants will thank you!

💧 4. Soothe Skin Irritations

Crush some eggshells and soak them in apple cider vinegar for a few days.
This calcium-infused solution can help calm minor skin irritations or insect bites.

🌾 5. Improve Plant Drainage

Placing crushed eggshells at the bottom of planting holes improves air circulation and drainage.
They’ll gradually decompose and release nutrients into the soil.