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Medical Forum / General / Nutrition / December 2004ground eggshells for Calcium
I read that ground eggshells are a dietary source for calcium. How finely must it be ground for absorption and how much calcium would it have? regards andrew vecsey It needs to be only small enough to swallow. It is easily reduced when it hits the very strong acid in the stomach. Most "absorption" is by such chemical reaction and not a mechanical entry into the blood if it is small enough. For example, some fibers can be ground as fine as you want and they still pass from the gut because they are not very subject to the chemistry required for absorption. Some retail calcium pills come from shells. >I read that ground eggshells are a dietary source for calcium. How >finely must it be ground for absorption and how much calcium would it >have? >regards >andrew vecsey What I understand is that for minerals to be usable to the body, they must be plant based - broken down to a form the body can use. You can be calcium toxic(overloaded/poisoned) and calcium deficient at the same time. Calcium in a rock form (or any form not plant based), is not usable and actually will accumulate in the blood, arteries, joints and organs and cause problems - stones in the kidneys, galbladder, liver... joint problems... arterial build-up... > What I understand is that for minerals to be usable to the body, they > must be plant based - broken down to a form the body can use. You can [quoted text clipped - 3 lines] > organs and cause problems - stones in the kidneys, galbladder, liver... > joint problems... arterial build-up... I don't know how to say this gently, but that's just not correct. Whoever told you that is quite mistaken. Some calcium salts are less soluble than others, and that makes them less bioavailable. Once dissolved, though, there is no distinguishing characteristic that would make the original source of the calcium known to the body's biochemical processes, and no mechanism by which non-plant derived calcium would preferentially desposit in such a way as to cause those problems you listed. Calcification occurs for other reasons entirely. Lar How much crushed eggshells does a man need to eat for absorbing 1000mg calcium? regards andrew vecsey > > What I understand is that for minerals to be usable to the body, they > > must be plant based - broken down to a form the body can use. You can [quoted text clipped - 15 lines] > > Lar Sometimes when eating boiled eggs some shell remains unintentionally. Chomp down and enjoy, does nothing to taste, has an intresting mouth feel, and ups daily calcium. >> Take one pound of fresh hemlock, mince fully ... > [quoted text clipped - 3 lines] >-- >john gohde |
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