Which of the following is not an example of a macromineral?
                                
                                
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                                    2 min read                                
                            
                                Over 70% of the body's minerals are composed of calcium and phosphorus, highlighting their critical importance. Understanding essential nutrients is vital for health, but pinpointing specifics like which of the following is not an example of a macromineral can be challenging, as the body requires minerals in varying quantities.