Strengthen the Bones! Which Foods Contain More Calcium Than Milk?

Photo 5 of 10

5. Eggshell. This product contains the most calcium. Erupted shell are the easiest and most affordable source of calcium. Just half a teaspoon — will provide you with the daily norm of this vitamin. Still, among the people, shells are used to strengthen immunity and fertilize the soil.

9 Mysteries of the Past That Still Remain Unresolved

The world is an amazing thing, filled with many secrets. To this day, researchers and great minds from all over the world are trying to solve the puzzles that our Universe periodically throws up to us. Some of them can be solved, althought not in the shortest possible time, but some remain unresolved for thousands of years and to this day confuse scientists. It is about such secrets and mysteries of the past that this collection will be discussed ...