Synopsis

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

Limestone is primarily composed of calcium carbonate, which is a key source of dietary calcium. Calcium is an essential mineral for bone health and is critical to the structure and function of the skeletal system. There is robust scientific evidence linking adequate calcium intake to the maintenance of bone density and the prevention of osteoporosis and other bone-related disorders. When processed for human consumption, limestone is purified and used as a calcium supplement (often labeled as "calcium carbonate"). Numerous clinical studies have demonstrated that calcium carbonate supplements are effective in improving bone mineral density, particularly when taken alongside vitamin D. The use of calcium carbonate as a supplement is recognized by medical authorities such as the National Institutes of Health (NIH) and the World Health Organization (WHO). While limestone in its raw, unprocessed form is not consumed, its refined form is a standard and validated source of dietary calcium. Therefore, the use of limestone-derived calcium carbonate to support the skeletal system is justified by strong scientific evidence.

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