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How absorbable is calcium carbonate
Calcium supplement use has increased and there is confusion about the relative absorbability of various sources. Absorbability of calcium from the carbonate. Calcium carbonate is cheapest and therefore often a good first choice. All varieties of calcium supplements are better absorbed when taken in small doses . Some studies have shown the more soluble calcium citrate to be somewhat better absorbed than the relatively insoluble calcium carbonate, whereas others.
Yet it has poor solubility in water and requires extra stomach acid production to be absorbed. Calcium carbonate's bioavailability in humans. For the treatment of osteoporosis, calcium alone is not sufficient. Both calcium citrate and carbonate are quite poorly absorbed, with only approximately 25% of . Although the calcium citrate form is a bit more expensive, it is more easily absorbed, and it is more than twice as bioavailable as calcium carbonate.
Calcium supplements are intended to be consumed with a meal, and when taken as directed, the two forms of calcium are absorbed at roughly. CALCIUM CITRATE IS SUPERIOR TO CALCIUM CARBONATE. The following came through my e-mail system, and I was so excited about its content!. Usually the same marketers telling you about the low absorption of calcium carbonate are also offering the latest super calcium with “close to % absorption”. Most easily absorbed. Most expensive; doesn't contain much elemental calcium. Calcium carbonate (Tums, Caltrate, Rolaids) 40% calcium. Least expensive.