Evidence supporting the use of: Animal Tissue
For the health condition: Calcium Deficiency

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Synopsis

Source of validity: Scientific
Rating (out of 5): 4

Animal tissue, particularly bone meal and certain organ meats, has been used to support calcium deficiency due to its naturally high calcium content. Scientifically, animal bones are a rich source of bioavailable calcium phosphate, which is similar to the mineral form found in human bones and teeth. Historically, bone meal supplements were common before the widespread use of purified calcium salts. Modern research supports the use of animal-derived calcium in treating or preventing calcium deficiency, as these sources provide not only calcium but also other minerals such as phosphorus and trace elements important for bone health.

However, concerns over contamination (such as lead in bone meal) and the risk of prion diseases (e.g., BSE or “mad cow disease”) have led to a decline in the use of animal tissue-based calcium supplements in favor of plant-based or synthetic alternatives. Nonetheless, several studies have shown that calcium from animal bone is well absorbed and effective at maintaining bone density. The U.S. Pharmacopeia has monographs for bone meal, indicating recognized use.

In summary, while there are safety concerns, there is scientific validation for the use of animal tissue (specifically bone-derived calcium) in the support and treatment of calcium deficiency due to its bioavailability and mineral content.

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