Eating Egg Shells: The Scientifically Proven Benefits for Your Health


Eating egg shells? Are egg shells good for you? Can you actually eat eggshells? I hear you wonder. The short answer is yes. Absolutely, they are! But before you go munching on that crunchy egg shell, let’s look into the actual benefits for your health, the reasons for the shells nutritional benefits, the medical research that supports this and what you should look out for when preparing egg shells for consumption.

Egg Shell Nutritional Benefits

According to a comparative study performed in 2013, medical researchers set out to find out if Chicken eggshells are a suitable source of calcium at homeĀ  and found out that indeed, egg shells can actually provide health benefits. The research found out that just half an egg shell can provide the amount of Calcium needed by an adult human being per day.

Eggshells in Coffee or on Your Pizza

The same study even recommends using chicken eggshells as a Calcium dietary supplement. How to prepare it? Simple, grind the shell to powder and sprinkle it on your pizza or spaghetti, as there is only a small change in texture and it doesn’t affect the flavor.

Eating Egg Shells The Benefits for Your Health

Egg Shell Powder as a Calcium Supplement

Another study revealed how egg shells are 39% Calcium, making it a source in human nutrition. But egg shells also contain mineral such as magnesium, phosphorus, silicon, sodium, potassium, iron, sulfur, and aluminum.

Egg Shells for Your Bones

With just over 10 million adults in the US suffering from Osteoporosis, it is also worth mentioning that studies have also shown the benefits of eating egg shells to reduce the risks of Osteoporosis or Osteopenia. This study revealed how the bone mineral density of the hips and lumbar spine improved when taking calcium from chicken eggshells along with other bone-building nutrients such as vitamin D3 and magnesium.

Egg Shells to Remineralize Teeth

In an interesting study about dental cavity and calcium in eggshells, scientists concluded that the high pH of the of chicken egg shell solution along with the rich bioavailable calcium content of chicken egg shell has the potential to favored remineralisation of teeth. This is great news because it can fight dental cavity, which occurs when oral plaque becomes too acidic (from sugar in food and drinks). These sugars turn into acid and dissolve the tooth enamel.

Risks of Eating Eggshells

If you want to prepare egg shell powder at home I recommend you only use egg shells from organic eggs. This is to avoid them being contaminated with antibiotics or other chemicals. You should also always boil the shell for a good 5-10 minutes as it kills of any dangerous bacteria or pathogens. You definitely don’t want to try eat away at big pieces as you risk injuring your mouth or throat; instead grind them to power in a mortar. Last but not least do not overdo it either as too much calcium can cause kidney damage and kidney stones. According to the US National Institutes of Health, the average adult should consume roughly 1 gram of calcium daily.

Egg Shells For Your Garden

If you like to grow your own vegetables, you will also be delighted to know that most fertilizer contains egg shells. So you can also apply the same powder to the soil of your growing vegetables and plants.


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