Many people who actually consume eggs as a healthy part of their diet discard eggshells as waste. Why? The truth is that most of them are not even aware of some of the benefits eggshells offer.
So let’s start from the start. What are eggshells, really? Well, they are actually one of the cheapest and most effective natural sources of calcium.
Eggshells are made up of around 95% calcium carbonate, along with small amounts of magnesium, potassium, zinc, and iron. At the same time, they contain the same minerals that help build strong bones, teeth, and nails. They consist of three protective layers: the hard outer shell composed of calcium crystals, and two inner membranes rich in keratin proteins that guard against bacteria.
While many people easily meet their calcium needs through diet, the number of those with limited food options or restrictive eating habits are very high, so eggshells can serve as an affordable and sustainable supplement for them.
The good thing is that you don’t need to buy pre-packaged eggshells powder from the store because making it as home is as simple as it gets.
The question arising is whether consuming boiled eggshells can cure or prevent diseases, and the answer is no, at least not directly.
In fact, consuming eggshells can play an indirect role in supporting good health but only if used correctly.
Boosts Bone Health
The good news is that eggshells are a simple and affordable way to support strong, healthy bones. Since they’re made almost entirely of calcium carbonate they offer a natural alternative to store-bought pills. In fact, research published in the International Journal of Food Science and Nutrition found that powdered chicken eggshells can serve as an effective calcium source right from your kitchen. Some studies even indicate that the calcium from eggshells may be absorbed more efficiently than that from synthetic supplements, making them a surprisingly powerful ally for bone strength.
Reduces Osteoporosis Risk
While aging itself can’t be stopped, maintaining good calcium levels can help slow down bone loss and support density. In one study, participants who took eggshell membrane powder showed improvements in bone density, suggesting that this simple, natural remedy might help reduce the effects of osteoporosis.
Encourages Collagen Production
The thin layers of the eggshells are rich in collagen, the protein that keeps skin firm and joints flexible. Collagen production naturally declines as we age, leading to wrinkles and stiffness, but research shows that eggshell membrane extracts can boost the body’s collagen levels.
Supports Healthy Teeth
Just like bones, teeth rely on calcium to stay strong. Eggshell powder provides an easy way to strengthen enamel and reduce tooth sensitivity. Some natural toothpaste brands even use finely ground eggshells for their remineralizing effects. Over time, this gentle, mineral-rich powder can help protect against decay and keep your smile healthier.
Now, while eating eggshells actually comes with a whole bunch of benefits, there are also risks you should be aware of.
Avoid swallowing large pieces of eggshell, as sharp fragments can irritate your throat or esophagus. Always grind them into a fine powder before use.
Also, since eggshells can carry bacteria like Salmonella enteritidis, it’s safest to boil them first to prevent foodborne illness.
Finally, while natural calcium sources can contain trace heavy metals such as lead or cadmium, studies show that eggshells typically have lower levels than alternatives like oyster shells, making them a safer and more reliable option when handled properly.
*Disclaimer: This article is for informational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. The content is based on current scientific research but may not cover all individual circumstances. Always consult your healthcare provider or a registered dietitian before making changes to your diet, especially if you have or are at risk for cancer or other medical conditions.
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