Is a nutrient a chemical or biological substance?
                                
                                
                                •
                                
                                
                        
                                    
                                    6 min read                                
                            
                                There are six major classes of nutrients essential for human health, each with a distinct chemical makeup. The question of whether a nutrient is a chemical or biological substance is answered by understanding their interconnected roles, functioning as chemical compounds outside the body and as vital biological components within a living system.