Video narration
Could creatine help you get one more hard rep? Think of it as a power bank-not a stimulant or instant muscle builder. ATP, the immediate energy molecule, powers contraction. When ATP becomes ADP, phosphocreatine donates phosphate, rapidly rebuilding ATP. That's the flip: creatine recycles energy; it doesn't create it. Supplementing increases this backup for short, repeated bursts-not unlimited power. So why one more rep? Extra stored phosphate restores ATP fast, helping hard efforts last longer.