Which Sugar Provides Immediate Energy and Why?
                                
                                
                                •
                                
                                
                        
                                    
                                    4 min read                                
                            
                                According to the Cleveland Clinic, glucose is the body's primary and preferred source of energy, fueling everything from your brain to your muscles. So, which sugar provides immediate energy? The answer is glucose, a simple sugar that is readily absorbed and used by the body to produce energy, making it the most direct source of instant fuel.