Questions tagged [calcium]

Questions about calcium, recommended intake, therapeutic use , toxicity and more calcium related questions.

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Might calcium supplements be behind Granulomatosis With Polyangiitis (Wegener's)?

Disclaimer: I have no formal medical or scientific education. Abstract My thesis is that the calcium created by man-made processes is not the correct isotope to support the biological functions for ...
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Supersaturation vs Undersaturation of the Urine | Kidney Stones

A significant factor that determines if a crystal will develop into a kidney stone is the saturation of the urine with stone-forming salts. From my understanding, supersaturation leads to precipitates ...
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Can zinc (over)supplementation cause hypocalcemia?

From Wikipedia's article on hypocalcemia (version dated 27 Nov 2018): Causes: ... Excessive dietary zinc, as with supplementation (causes rapid hypocalcemia) I googled but found no studies ...
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How does breastfeeding protect the mother's bones?

Every time that I look up breastfeeding benefits for the mom I get these main 3 along with others: Decreased chance of breast cancer Decreased chance of ovarian cancer Decreased chance of ...
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To what degree does a Vitamin D course mitigate the effects of Primary Hyperparathyroidism?

Primary Hyperparathyroidism, often caused by a parathyroid gland having an adenoma on it, increases the release of the parathyroid hormone (PTH) in the body. This causes the excess release of calcium ...
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Calcium and iron absorption

I have often read that calcium and iron-rich foods (or supplements) should not be ingested within the same meal, as those two minerals impede each other's absorption trough the gut. But several ...
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How fast can serum calcium, magnesium and potassium levels change?

Can serum electrolytes (such as Ca Mg or K) within NORMAL limits rise or drop substantially within 12-24 hours? Enough to go outside of normal range, even to the point of being symptomatic?
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Effect of acidic fruits on bone calcium

I remember nutritionist explained me that taking kefir does not make much sense for calcium since its lactose is converted into the acid and that acid washes out as much calcium as milk gives you. I ...
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198 views

Do adult humans need to drink milk

To the best of my knowledge, most mammals cease to drink milk past infancy. Humans, on the other hand often substitute their mothers breast milk with that from other sources like cattle (or soy, ...
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295 views

How can I calculate the daily recommended % value of calcium based on the information I have?

Essentially based on the calcium information I have on these brands of water bottles brands, how can I calculate the daily % value of calcium they give? Fiji water = 17mg/L Calcium Evian water = 78mg/...
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428 views

Calcium intake vs bioavailability

The recommendation for calcium for adults under 50 is 1000mg/day. But this seems to concern the calcium intake. However the bioavailability of calcium depends a lot on the food eaten. If the calcium ...
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Do we really need as much calcium as the government recommends?

The US RDA for calcium for children 9-18 is 1300mg/day, for which milk and dairy seem like the only reasonable source. The vegetable sources of calcium would need to be eaten in impractically large ...
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Are dairy products effective sources of calcium?

Tradition says that dairy products are good sources of calcium just because they have it; while some modern studies (see below) show that protein digestion produces acidic environment, and body uses ...
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300 views

Are calcium supplements harmful, even if you stay short of the maximum dose?

Source: Do You Really Need Calcium Supplements?, Margaret Polaneczky MD, 2014 Oct 2 You may also have heard that taking calcium supplements can lead to heart disease. It’s still an open question. ...