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What is the source of the oyster shell powder used in Os-Cal?

April 26, 2017os-cal Oyster powder Shell source Used

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What is the source of the oyster shell powder used in Os-Cal?

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The oyster shells contained in Os-Cal are obtained by dredging only ancient oyster beds in offshore U.S. waters. The shells are carefully ground to a powder, which is the source of calcium carbonate. The oyster shell powder is combined with pharmaceutical-grade ingredients to present the calcium carbonate in a form that is readily ingested, disintegrated and metabolized by the human body.