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Are egg shells a bio available form of calcium?

by (91)
Updated October 25, 2014 at 3:51 AM
Created January 04, 2013 at 7:06 AM

so is it? how bioavailable is it?

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11152 · January 05, 2013 at 2:55 PM

I tried it once but didn't grind the eggshells fine enough. It was very gritty, but otherwise didn't taste bad at all.

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329 · January 05, 2013 at 2:26 PM

I do it from time to time. Make sure you put a large enough piece so it is easier to fish it out. My grains grow like crazy with or without eggshell. What to do with all those extra grains? I feed my cat with extra milk grains, but he does not like water grains at all...

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596 · January 05, 2013 at 9:32 AM

i'm one of 'em.

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3280 · January 05, 2013 at 7:50 AM

Kefir thrives when given extra minerals.

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1600 · January 05, 2013 at 5:59 AM

Ooh! I cannot believe I havent thought of this!

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615 · January 04, 2013 at 12:59 PM

indeed! a great suggestion

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8 Answers

best answer

1d0497f8781845ab371b479455bfee8e
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11152 · January 04, 2013 at 2:35 PM

I've heard of people adding egg shell powder to straight lemon or lime juice and letting them dissolve into a goop, which makes calcium citrate and is more bioavailable than the calcium carbonate of regular egg shells. The calcium also neutralizes the acid from the citrus juice, making it less corrosive to your teeth. A half teaspoonful should be plenty to meet your daily calcium requirements.

http://nourishedmagazine.com.au/blog/articles/how-to-make-calcium-using-egg-shells

20203f15287a14924c714eb68a34ce6c
596 · January 05, 2013 at 9:32 AM

i'm one of 'em.

1d0497f8781845ab371b479455bfee8e
11152 · January 05, 2013 at 2:55 PM

I tried it once but didn't grind the eggshells fine enough. It was very gritty, but otherwise didn't taste bad at all.

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1881 · January 04, 2013 at 11:49 AM

Save them and throw them in your garden! They are awesome nutrients for soil to make more fruits and veg!!!

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615 · January 04, 2013 at 12:59 PM

indeed! a great suggestion

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3432 · January 04, 2013 at 2:41 PM

Put some shells in your bone broth...

C836b2644e7319bb957fbb794a97708e
1600 · January 05, 2013 at 5:59 AM

Ooh! I cannot believe I havent thought of this!

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329 · January 04, 2013 at 7:43 PM

Great suggestions! Some water kefir recipes call for boiled egg shell to increase kefir's mineral content.

Fb67dc30cead043d1d13ea503a3044dc
3280 · January 05, 2013 at 7:50 AM

Kefir thrives when given extra minerals.

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4306 · January 05, 2013 at 7:19 AM

I bake my used egg shells and feed them to the chickens for calcium.

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165 · January 05, 2013 at 2:50 AM

I add teeny bits of washed eggshell to my water kefir sometimes. The grains seem to love it. I don't like it so well, as they get super slimy and fishing it out after is not my idea of fun.

Do I win the prize for spectacularly missing the point of the question and most tangential answer?

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329 · January 05, 2013 at 2:26 PM

I do it from time to time. Make sure you put a large enough piece so it is easier to fish it out. My grains grow like crazy with or without eggshell. What to do with all those extra grains? I feed my cat with extra milk grains, but he does not like water grains at all...

E9140ef0ca0a76ea14b9ebccad234608
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615 · January 04, 2013 at 11:42 AM

i bake my egg shells and powder them into my cats food personally to supplement them

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3521 · January 05, 2013 at 1:21 AM

I added egg shell calcium to my diet but they gave me a really painful stomachache. I made sure to boil them and sanitize them but they still messed me up pretty bad.

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