That’s another common “See more” clickbait line. It usually ends with claims like “joint pain,” “calcium deficiency,” “osteoporosis,” or even “miracle fertilizer.”
Here’s what’s actually true about eggshells:
🥚 What eggshells really are
Eggshells are made mostly of calcium carbonate, the same basic mineral found in limestone and antacids.
🌿 What boiling eggshells can do
- Kills bacteria (like Salmonella risk from raw shells)
- Softens them so they can be crushed more easily
- Makes them more suitable for garden compost or soil use
🌱 Real uses (with evidence or practicality)
- Garden soil amendment: crushed shells may slowly add calcium to soil (very slow effect)
- Compost additive: safe, but breaks down slowly
- Natural abrasive cleaner: ground shells can help scrub pots
🚫 What they do NOT do
They do not:
- Cure joint pain or arthritis
- Reverse osteoporosis
- Replace calcium supplements or a balanced diet
- “Detox” the body
Your body also doesn’t absorb raw or boiled eggshell calcium efficiently unless it’s finely processed—and even then, medical-grade calcium supplements are more reliable and
