Yes, Do Cells Contain Zinc, and Here's Why It's Crucial
                                
                                
                                •
                                
                                
                        
                                    
                                    4 min read                                
                            
                                Approximately 10% of all human proteins are capable of binding zinc, highlighting its ubiquitous role across cellular functions. Indeed, cells do contain zinc, and its presence is tightly regulated to ensure proper cellular health, signaling, and immune responses.