What Is Eggshell Powder Good For? Is it Safe?

An eggshell is a hard, outermost layer of an egg that consists primarily of calcium carbonate crystals, which is a typical calcium form, and some protein and minerals [R].

Studies show that eggshells can be a great source of calcium. An isolated cell study found that the protein content in eggshells causes a 64% increase in calcium absorption from eggshell powder than pure calcium carbonate [R].

Because of this benefit, eggshells are great for reducing osteoporosis risk. Osteoporosis causes weak bones and increases bone fracture risk. In the United States, it affected nearly 54 million of the older population in 2010 [R].

One study also found it to be an effective osteoporosis treatment for postmenopausal women. Taking eggshell powder, magnesium, and vitamin D3 strengthened their bones and improved bone density. It was also noted to be possibly more effective in preventing osteoporosis than purified calcium carbonate [R].

A Dutch study found that eggshell powder improved bone density in the neck in postmenopausal women than a placebo. On the other hand, there was no improvement seen in the administration of purified calcium carbonate [R].

Eggshells can also improve your joints. Studies are showing that eggshell membrane supplements can improve your joints when taken regularly. However, more research studies have yet to be conducted on this [R] [R] [R] [R].

Eggshell powder is generally considered safe; however, take caution and grind up the eggshell to avoid swallowing large pieces that can hurt your esophagus and throat. It is also advisable to boil them first before consumption to avoid food poisoning and contamination of bacteria, such as Salmonella enteritidis [R] [R].

So, overall, to avoid infection or injury, eggshells should be boiled and turned into a powder before consumption.

We strongly advise you to have regular check-ups with your doctor and lab tests (blood, kidney, and liver) at least once every six months if you decide to take any herbal medicine or supplements for long-term.

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