Evidence supporting the use of: Pearl
For the health condition: Calcium Deficiency

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Synopsis

Source of validity: Traditional
Rating (out of 5): 2

Pearl, derived from freshwater or saltwater mollusks, has been used in traditional Chinese medicine (TCM) and other Asian medical systems for centuries. In TCM, pearl powder is considered a valuable tonic believed to calm the mind, improve skin health, and supplement calcium. The rationale for its use in treating or supporting calcium deficiency stems from its high calcium carbonate content—typically over 90% by weight. Historically, pearl powder was administered orally or topically, with claims that it could strengthen bones and teeth, though these claims are rooted in traditional practices rather than rigorous scientific research.

From a scientific standpoint, while pearl powder is indeed rich in calcium, there is limited evidence directly evaluating its efficacy in correcting calcium deficiency compared to standard calcium supplements. Some animal studies and limited clinical observations suggest that pearl powder can be absorbed in the gastrointestinal tract and may increase serum calcium levels. However, these studies are generally small in scale and not of high methodological quality. No major clinical guidelines recommend pearl over conventional calcium salts (like calcium carbonate or citrate) for deficiency states. Thus, while there is a traditional basis for its use and some supporting evidence of bioavailability, the scientific validation for its use in treating calcium deficiency is modest and not robust.

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